Introduction to Digital Image Correlation (DIC)
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This presentation introduces Digital Image Correlation, the optical technique that compares images of a tested specimen’s surface to generate full-field strain and displacement maps.
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The document discusses digital image correlation (DIC), a non-contact optical technique for measuring surface deformation. DIC uses high-resolution cameras and digital image processing to track features on a material's surface as it deforms. This allows DIC to measure displacements, strains, and other values over thousands of points. DIC provides a rich data set for analyzing how materials respond to forces in both static and dynamic testing.
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This document discusses challenges facing rebar manufacturers and testing programs due to expected increases in construction volumes and changes in rebar specifications. It identifies challenges such as testing irregularly shaped rebar, absorbing high energy failures, accurately measuring strain and elongation, ensuring repeatable tensile test results, performing bend tests, and cycle testing mechanical coupliers. It emphasizes that testing programs should be prepared to address these challenges to avoid risks to product quality as construction and rebar standards evolve.
Face detection using template matching
Face detection involves classifying images as containing a human face or not. Template matching is used, where standard face patterns are stored and compared to regions of the input image. The document outlines the process, which includes skin segmentation to identify potential face regions, then template matching to those regions to detect faces. Challenges include handling various poses, expressions, rotations and image conditions. Front-view face detection can currently achieve 95% accuracy on 320x240 images at over 15 frames per second.
The Fundamentals of Rheology
This document discusses the fundamentals of rheology and how rheological tests can help with polymer processing and development. It describes different types of rheometers including capillary, rotational, and extensional rheometers. Capillary rheology provides information about how materials behave when melted and correlates flow parameters to mechanical properties. Capillary rheology can determine optimal processing parameters and investigate issues. The document also discusses how rheological properties relate to molecular weight and processing techniques like extrusion, injection molding, and blow molding that can be simulated using a capillary rheometer.
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Metals Tensile Testing Standards: ISO 6892-1 ASTM E8/8M for Strain Control
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Using Digital Microscopes to Solve Common Microscopy Issues: Even First-Time ...
Advanced digital microscopes provide efficient solutions to a variety of common microscope challenges faced by users of conventional optical and digital microscopes. The following represent 10 conventional microscope issues and 10 solutions made possible with current digital microscope technology.
1. Specific details need to be seen on challenging samples.
2. A large sample area needs to be observed in high resolution.
3. All areas of an uneven surface need to be in focus at the same time.
4. Sample features need to be determined, characterized, and measured in 3D.
5. Operators with varying skill levels need to perform similar tasks.
6. Reproducible measurements are needed from multiple operators.
7. Optical-quality imaging is needed from a digital microscope.
8. Guaranteed measurement accuracy is required from a digital microscope.
9. Varied observation techniques require different lens setups.
10. Magnification adjustments require manual calibration.
For more information on Olympus digital microscopy solutions, visit: http://www.olympus-ims.com/en/microscope/dsx/
introduction to Reverse Engineering.pptx
Reverse engineering is the process of capturing geometric data from an existing object to build CAD models. It involves digitizing parts using a 3D scanner to collect raw point cloud data, then converting this into usable CAD formats. Various scanning technologies exist, including laser scanning, structured light scanning, and CT scanning. Laser scanning uses trigonometric triangulation to capture millions of 3D points, while structured light scanning is very fast but can miss internal or obscured features. The captured data can then be used to reproduce the original parts through 3D printing or modify the designs using CAD software.
Getting More Precision in Videoscope Measurements While Taking Larger Measure...
The challenges that go into providing accurate and precise measurements larger and from further away.Though well established, stereo measurement is often thought of as unchanging. With measurements such as distance from root, blending profiles, corrosion and area measurements requiring a greater range of measurement and precision, it is essential to understand the evolution of stereo measurement as well as other technologies available.
This presentation will focus on the basic types of measurement technologies for videoscopes, and their inherent strength and weaknesses. Reference, Shadow, Stereo, Pattern projection measurement will all be presented.
In reference to stereo measurement, recent advances and factors can improve the precision of stereo measurement compared to what existed a decade ago. What goes into the hardware and the software that translate into to a greater precision to perform greater and more reliable measurements during RVI.
Computed Tomography (ct),CT scan NDT
X-rays were discovered in 1895 by the German physicist Wilhelm Conrad Röntgen,
who earned the Nobel Prize in Physics in 1901. Although their potential applications
in medical imaging diagnosis were clear from the beginning, the implementation of
the first X-ray computed tomography system was made in 1972 by Godfrey Newbold
Hounsfield (Nobel prize winner in 1979 for Physiology and Medicine), who constructed
the prototype of the first medical CT scanner and is considered the father of computed
tomography. CT was introduced into clinical practice into 1971 with a scan of a cystic
frontal lobe tumor on a patient at Atkinson Morley Hospital in Wimbledon (United
Kingdom). After this, CT was immediately welcomed by the medical community and
has often been referred to as the most important invention in radiological diagnosis, since
the discovery of X-rays [1].
The first applications of CT in an industrial context is traced back to the first 1980´s, in the
field of non destructive testing, where small number of slices of the object were visually
inspected. 3D quantitative industrial CT applications appeared in the later 1990s, with
simple volume and distance analysis [2]. Today, thanks to relevant improvements in both
hardware and software, CT has become a powerful and widely used tool among non
destructive techniques, capable of inspecting external and internal structures (without
destroying them) in many industrial applications. Development of more and more stable
X-ray sources and better detectors led to design of more complex CT system, providing
accurate geometrical information with micrometer accuracy. CT is widely used for
geometrical characterization of test objects, material composition determination, density
variation inspection etc. In a relative short time, CT is capable to produce a complete
three-dimensional model and tolerances of the scanned machined parts can be verified.
Because of the growing interest on precision in production engineering and an increasing
demand for quality control and assurance, CT is leading the field of manufacturing
and coordinate metrology. With respect to traditional techniques, CT systems have indisputable advantages: internal and external geometry can be acquired without
destroying the part, with a density of information much higher than common tactile and
optical coordinate measuring. A key parameter for reliability of the measurement process
is the establishment of measuring uncertainty. Since there are many influence parameters
in CT, uncertainty contributors in CT and standards dealing with quantification of CT
have not been completely established yet. The assessment of the uncertainty budget
becomes a challenge for all researchers
"The Evolution of Depth Sensing: From Exotic to Ubiquitous," a Presentation f...
"The Evolution of Depth Sensing: From Exotic to Ubiquitous," a Presentation f...Edge AI and Vision Alliance
The document summarizes dimensional measurement methodologies and their applications. It categorizes common methods as either tactile or non-tactile, and describes examples of each including coordinate measuring machines, interferometry, laser scanning, and photogrammetry. Applications discussed include reverse engineering, quality assurance, medical, automotive, and user interfaces. The market for 3D metrology is projected to reach $10.9 billion by 2022. The document also discusses trends in the field and a vision for the future including more compact, mobile, and cloud-based solutions enabled by advances in components, processing, and artificial intelligence.3d machine-vision-systems-paper-presentation
ww
1) 3D machine vision systems have advanced to enable quantitative metrology applications on the shop floor. Technologies like laser scanning, structured light, and stereo viewing can provide measurements at sub-mil resolution and speeds sufficient for inspection.
2) Key challenges for 3D optical systems include varying surface finishes and textures that can scatter or diffuse light signals. Thorough testing on representative surfaces and features is important to validate measurement capabilities.
3) Comparisons to independent measurement methods help qualify new 3D vision systems, as traditional gauges may not provide the same level of capability or repeatability. Standard artifacts can verify optical measurements.
Tot.st 1
This document discusses various surveying techniques and equipment, including total stations. It provides details on total stations such as their basic components, accuracy levels, functions, applications, and operations involved in using them. Some key points covered include that total stations simultaneously measure angles and distances, have accuracy levels of 1-20 seconds for angles and 2mm-10mm per km for distances, and are used for applications like topographic, hydrographic, and cadastral surveys. The document also discusses limitations, safety precautions, and how to supervise total station work.
Surveying
Modern surveying equipment includes EDMs, auto levels, digital levels, total stations, and GPS. Total stations integrate a theodolite to measure angles, an EDM to measure distances, and data recording capabilities. Total stations provide accurate position (x, y, z) coordinates and are the most accurate and user-friendly surveying instrument. They measure distance and angles, store data, and display coordinates. Auxiliary equipment includes prisms or targets and a data recorder. Total stations are used for general surveying, mapping, construction layout, and monitoring tasks.
3d Machine Vision Systems Paper Presentation
ww
1) 3D machine vision systems have advanced to enable quantitative metrology applications on the shop floor. Technologies like laser scanning, structured light, and stereo vision can provide measurements in the sub-mil range at speeds of a few seconds.
2) Key factors for production use are measurement resolution in mils/sub-mils, speeds under a few seconds, and robustness to varying surface finishes and conditions. Technologies were tested on features like edges, textures, and spheres to evaluate performance.
3) Applications include industrial inspection, autonomous vehicles, transport safety, surveillance, remote sensing, and medical imaging. Continued improvements in computing, cameras, and light sources will further expand use of 3D machine
Tool Wear Detection and Quantitation by Digital Microscopy
Outline
1. Tool wear
- Economic impact
- Types of wear
2. Characterization techniques
- Scanning electron microscopy
- Optical microscopy
3. Digital microscopy applied to tool wear quantitation
- Illumination modes
- 3D imaging
For more information, visit: https://www.olympus-ims.com/en/microscope/dsx/
3D Facial Imagining /certified fixed orthodontic courses by Indian dental aca...
3D Facial Imagining /certified fixed orthodontic courses by Indian dental aca...Indian dental academy
Welcome to Indian Dental Academy
The Indian Dental Academy is the Leader in continuing dental education , training dentists in all aspects of dentistry and offering a wide range of dental certified courses in different formats.
Indian dental academy has a unique training program & curriculum that provides students with exceptional clinical skills and enabling them to return to their office with high level confidence and start treating patients
State of the art comprehensive training-Faculty of world wide repute &Very affordable. Inspection Principles and practices, Inspection technologies.pptx
This document discusses various inspection principles, practices, and technologies. It begins by describing inspection techniques that are either manual or rely on modern machines like CMMs. Key aspects of metrology and desirable instrument characteristics are outlined. The document then differentiates between contact and non-contact inspection, noting advantages of non-contact methods. Specific technologies are examined, including CMMs, machine vision, optical tools, and non-optical techniques using other sensor types.
3 d facial imaging
The Indian Dental Academy is the Leader in continuing dental education , training dentists in all aspects of dentistry and
offering a wide range of dental certified courses in different formats.for more details please visit
www.indiandentalacademy.com
"Distance Estimation Solutions for ADAS and Automated Driving," a Presentatio...
"Distance Estimation Solutions for ADAS and Automated Driving," a Presentatio...Edge AI and Vision Alliance
For the full video of this presentation, please visit:
https://www.embedded-vision.com/platinum-members/aimotive/embedded-vision-training/videos/pages/may-2019-embedded-vision-summit-debreczeni
For more information about embedded vision, please visit:
http://www.embedded-vision.com
Gergely Debreczeni, Chief Scientist at AImotive, presents the "Distance Estimation Solutions for ADAS and Automated Driving" tutorial at the May 2019 Embedded Vision Summit.
Distance estimation is at the heart of automotive driver assistance systems (ADAS) and automated driving (AD). Simply stated, safe operation of vehicles requires robust distance estimation. Many different types of sensors (camera, radar, LiDAR, sonar) can be used for distance estimation, and different distance estimation techniques can be used with each type of sensor. Each type of sensor and technique has unique strengths and weaknesses. Debreczeni examines these techniques and their strengths and weaknesses, and shows how multiple techniques using different sensor types can be fused to enable robust distance estimation for a specific automated driving application.Dualis Contour Brochure
The document describes an efector dualis vision sensor that can solve a variety of inspection and error-proofing applications throughout the manufacturing process. It has a compact CMOS image sensor and fast image capture and processing capabilities. The sensor includes integrated lighting, evaluation electronics, and an industrial housing. It can be easily configured via an Ethernet interface and Setup Wizard software. Example applications discussed include part verification, orientation detection, sortation, and detecting part presence or absence. The sensor provides a simpler and more cost-effective solution than traditional vision systems or sensor clusters.
3 d facial imaging /certified fixed orthodontic courses
The Indian Dental Academy is the Leader in continuing dental education , training dentists in all aspects of dentistry and offering a wide range of dental certified courses in different formats.
Indian dental academy provides dental crown & Bridge,rotary endodontics,fixed orthodontics,
Dental implants courses.for details pls visit www.indiandentalacademy.com ,or call
00919248678078
Advance surveying equipments
This document summarizes various modern surveying equipment used for mapping and construction projects, including:
- Electronic distance measurement (EDM) devices and total stations that integrate EDM to measure distances electronically.
- Automatic and digital levels used to measure elevations and slopes accurately and efficiently.
- Global positioning systems (GPS) that use satellites to determine precise locations on Earth.
- Key principles, components, operations, and uses of total stations are described, which integrate distance measurement, angle measurement, and data recording into one portable instrument.
3D Scanners and their Economic Feasibility
These slides use concepts from my (Jeff Funk) course entitled analyzing hi-tech opportunities to analyze how the economic feasibility of 3D scanners is becoming better through improvements in lasers, camera ICs, and processor ICs. 3D scanning is both a complement to 3D printing and a technology with its own unique applications. 3D printing of complex objects can be done from a CAD database or from a 3D scan where a 3D scan can be done with laser or other sources of white light such as LEDs.
3D scanning can also be done for other purposes. For example, scientists and engineers are using 3D scanners to survey archeological, construction, crime scene, and engineering sites, to document maintenance and repair of engineered systems, and to customize medical and dental products for humans. Improvements in lasers, LEDs, camera chips, ICs, and other components continue to improve the economic feasibility of 3D scanning. Longer wavelength lasers increase the scanning range, better camera chips improve the scanning resolution, and better lasers, camera chips, and processor ICs reduce the scanning time. For example, third generation scanners from Argon, one leading supplier, have 100 times higher resolution and one tenth the scan times of Argon’s first generation system.
For costs, lasers make up the largest percentage followed by camera and processor ICs. For example, lasers make up 80% of the hardware cost for one high-end system with a current cost of $1346 and a price of about $3000. As laser costs fall and as volumes enable smaller margins, the price of such systems will fall.
For the same reasons, low-end systems continue to emerge. These include Microsoft’s Kinect and an app for the iPhone. Microsoft’s Kinect was $150 while the app was only $4.99, both in early 2013. As such low-end systems proliferate, and high-end systems continue to get cheaper, 3D scanning will find new applications.
Portal Imaging used to clear setup uncertainty
Title: Portal Imaging in Radiotherapy: A Comprehensive Exploration of Techniques, Applications, and Advancements
Introduction
Portal imaging is a critical component of modern radiotherapy, playing a pivotal role in the verification and precision of radiation treatment delivery. This technique involves the acquisition of X-ray images during or immediately after a patient's radiotherapy session, providing valuable information on the alignment of the treatment field with the intended target and surrounding critical structures. In this comprehensive exploration, we delve into the principles, techniques, clinical applications, challenges, and future prospects of portal imaging in the context of radiotherapy.
1. Principles of Portal Imaging
Portal imaging is rooted in the principles of verifying and ensuring the accuracy of radiation therapy delivery. Before each treatment fraction, the patient's position is verified to ensure it aligns precisely with the treatment plan. Portal images are acquired using specialized imaging devices, usually in the form of electronic portal imaging devices (EPIDs) or film-based systems. These images serve as a real-time snapshot of the radiation field, allowing clinicians to assess the actual treatment setup against the planned position.
2. Techniques of Portal Imaging
2.1 Electronic Portal Imaging Devices (EPIDs)
Electronic portal imaging devices, or EPIDs, have become a standard tool in portal imaging due to their real-time imaging capabilities and digital nature. EPIDs consist of a detector panel that captures the transmitted radiation through the patient during treatment. The resulting electronic images are immediately available for review, facilitating prompt decision-making regarding the need for adjustments in patient positioning or treatment parameters.
2.2 Film-Based Portal Imaging
Film-based portal imaging, while less commonly used today, has historical significance and is still employed in certain clinical settings. It involves exposing X-ray film positioned behind the patient during treatment. The film is then developed, and the resulting image is analyzed to verify the alignment of the treatment field. Though the process is not as immediate as with EPIDs, film-based systems may still offer advantages in certain situations.
3. Clinical Applications of Portal Imaging
Portal imaging is integral to the success of radiotherapy across various cancer types and treatment modalities.
3.1 Treatment Verification and Positioning
The primary application of portal imaging is to verify the accuracy of patient positioning and the alignment of the treatment field with the intended target volume. Any discrepancies detected through portal images allow for immediate adjustments to be made, ensuring that the radiation is delivered precisely to the targeted area while minimizing exposure to adjacent healthy tissues.
3.2 Tumor Localization and Changes in Anatomy
Portal imaging aids in localizing tumors, particularly
Jasa Kalibrasi, Rental dan Jual Total Station Sokkia IM-52 Call/ wa 082119953499
RUANG LINGKUP KEGIATAN
PENJUALAN, SERVICE / PERBAIKAN DAN PENYEWAAN ALAT-ALAT UKUR
PENJUALAN :
• Alat Ukur
- Total Station ( baru dan second hand )
- Theodolite ( baru dan second hand )
- Levels ( baru dan second hand )
- GPS
- Compass
- Clinometer
- Tandem/ Clino
- Binocular
- Digital Level
- Digital Planimeter
• Accessories :
- Tripod
- Prisma Polygon
- Prisma Detail
- Rambu Ukur
- Meteran
- Jalon
- Tripod Jepit
PENYEWAAN :
- Total Station
- Theodolite
- Automatic Level
- GPS Geodetik
MEREK ALAT UKUR YANG TERSEDIA :
- Minds
- Spectra
- Nikon
- Suunto
- Garmin
- Topcon
- Horizon
- Sokkia
SERVICE / PERBAIKAN DAN KALIBRASI MACAM-MACAM ALAT UKUR
HARGA MENARIK / COMPETITIVE
Catatan : Price List akan dikirim sesuai permintaan
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Inspection Principles and practices, Inspection technologies.pptx
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3 d facial imaging /certified fixed orthodontic courses
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Jasa Kalibrasi, Rental dan Jual Total Station Sokkia IM-52 Call/ wa 082119953499
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Null Bangalore | Pentesters Approach to AWS IAM
#Abstract:
- Learn more about the real-world methods for auditing AWS IAM (Identity and Access Management) as a pentester. So let us proceed with a brief discussion of IAM as well as some typical misconfigurations and their potential exploits in order to reinforce the understanding of IAM security best practices.
- Gain actionable insights into AWS IAM policies and roles, using hands on approach.
#Prerequisites:
- Basic understanding of AWS services and architecture
- Familiarity with cloud security concepts
- Experience using the AWS Management Console or AWS CLI.
- For hands on lab create account on [killercoda.com](https://killercoda.com/cloudsecurity-scenario/)
# Scenario Covered:
- Basics of IAM in AWS
- Implementing IAM Policies with Least Privilege to Manage S3 Bucket
- Objective: Create an S3 bucket with least privilege IAM policy and validate access.
- Steps:
- Create S3 bucket.
- Attach least privilege policy to IAM user.
- Validate access.
- Exploiting IAM PassRole Misconfiguration
-Allows a user to pass a specific IAM role to an AWS service (ec2), typically used for service access delegation. Then exploit PassRole Misconfiguration granting unauthorized access to sensitive resources.
- Objective: Demonstrate how a PassRole misconfiguration can grant unauthorized access.
- Steps:
- Allow user to pass IAM role to EC2.
- Exploit misconfiguration for unauthorized access.
- Access sensitive resources.
- Exploiting IAM AssumeRole Misconfiguration with Overly Permissive Role
- An overly permissive IAM role configuration can lead to privilege escalation by creating a role with administrative privileges and allow a user to assume this role.
- Objective: Show how overly permissive IAM roles can lead to privilege escalation.
- Steps:
- Create role with administrative privileges.
- Allow user to assume the role.
- Perform administrative actions.
- Differentiation between PassRole vs AssumeRole
Try at [killercoda.com](https://killercoda.com/cloudsecurity-scenario/)
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6:个人职称评审加20分
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8:在国家人才网主办的国家网络招聘大会中纳入资料，供国家高端企业选择人才
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留信网认证的作用:
1:该专业认证可证明留学生真实身份
2:同时对留学生所学专业登记给予评定
3:国家专业人才认证中心颁发入库证书
4:这个认证书并且可以归档倒地方
5:凡事获得留信网入网的信息将会逐步更新到个人身份内，将在公安局网内查询个人身份证信息后，同步读取人才网入库信息
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Embedded machine learning-based road conditions and driving behavior monitoring
Car accident rates have increased in recent years, resulting in losses in human lives, properties, and other financial costs. An embedded machine learning-based system is developed to address this critical issue. The system can monitor road conditions, detect driving patterns, and identify aggressive driving behaviors. The system is based on neural networks trained on a comprehensive dataset of driving events, driving styles, and road conditions. The system effectively detects potential risks and helps mitigate the frequency and impact of accidents. The primary goal is to ensure the safety of drivers and vehicles. Collecting data involved gathering information on three key road events: normal street and normal drive, speed bumps, circular yellow speed bumps, and three aggressive driving actions: sudden start, sudden stop, and sudden entry. The gathered data is processed and analyzed using a machine learning system designed for limited power and memory devices. The developed system resulted in 91.9% accuracy, 93.6% precision, and 92% recall. The achieved inference time on an Arduino Nano 33 BLE Sense with a 32-bit CPU running at 64 MHz is 34 ms and requires 2.6 kB peak RAM and 139.9 kB program flash memory, making it suitable for resource-constrained embedded systems.
Use PyCharm for remote debugging of WSL on a Windo cf5c162d672e4e58b4dde5d797...
This document serves as a comprehensive step-by-step guide on how to effectively use PyCharm for remote debugging of the Windows Subsystem for Linux (WSL) on a local Windows machine. It meticulously outlines several critical steps in the process, starting with the crucial task of enabling permissions, followed by the installation and configuration of WSL.
The guide then proceeds to explain how to set up the SSH service within the WSL environment, an integral part of the process. Alongside this, it also provides detailed instructions on how to modify the inbound rules of the Windows firewall to facilitate the process, ensuring that there are no connectivity issues that could potentially hinder the debugging process.
The document further emphasizes on the importance of checking the connection between the Windows and WSL environments, providing instructions on how to ensure that the connection is optimal and ready for remote debugging.
It also offers an in-depth guide on how to configure the WSL interpreter and files within the PyCharm environment. This is essential for ensuring that the debugging process is set up correctly and that the program can be run effectively within the WSL terminal.
Additionally, the document provides guidance on how to set up breakpoints for debugging, a fundamental aspect of the debugging process which allows the developer to stop the execution of their code at certain points and inspect their program at those stages.
Finally, the document concludes by providing a link to a reference blog. This blog offers additional information and guidance on configuring the remote Python interpreter in PyCharm, providing the reader with a well-rounded understanding of the process.
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Use PyCharm for remote debugging of WSL on a Windo cf5c162d672e4e58b4dde5d797...
Use PyCharm for remote debugging of WSL on a Windo cf5c162d672e4e58b4dde5d797...
Introduction to Digital Image Correlation (DIC)
- 1. Ian McEnteggart, Instron® Composites Marketing Manager An Introduction to Digital Image Correlation (DIC)
- 2. 2 What is Digital Image Correlation? Images Displacement Strain Analysis of image surface over time Use of cross correlation to determine displacement Strain calculated from displacement An optical method to measure deformation on an object’s surface
- 3. 3 • Non-contact strain measurement • Full-field data (like thousands of tiny extensometers) • Extract “conventional” 1D strain plots • Identify strain hot spots over a large area • Don’t need to know where to place the strain gauge/extensometer before the test starts • Validate correct specimen alignment What are the Benefits of DIC?
- 4. 4 Sample Preparation • Apply speckle pattern using: • Airbrush • Standard spray aerosol • Brush—flicking • Transferable stickers • Rubber stamp • Some materials can be left without speckling: • Certain composites • Concrete • Textiles/fabric
- 5. 5 How Does It Work?
- 6. 6 Calculating Full-Field Displacement • Repeated for each subset over the entire surface • The result is a regular map of displacements over the entire specimen surface Specimen surface image Split into small subsets Pattern recognized for each subset As the specimen deforms, axial (x) and transverse (y) displacements for each subset are calculated
- 7. 7 Calculating Strain • Strain at each location is calculated using central differencing • Strain calculated in the x and y directions separately • For the x direction: ∆𝐿 = 𝐿 𝑡 − 𝐿0 𝜀 = ∆𝐿 𝐿0
- 8. 8 Analysis of Various Strain and Displacement Data Axial Strain Transverse Strain Shear Strain Poisson’s Ratio Minimum Normal Strain Maximum Normal Strain Axial Displacement Transverse Displacement
- 9. 9 Extracting 1D Plots • Use virtual extensometer for calculating strain/displacement between to points. • Use virtual strain gauge for calculating average strain over a defined area.
- 10. Advanced Video Extensometer (AVE) 2 & DIC Replay
- 11. 11 AVE 2: Versatile and Capable • Doesn’t require operator to attach extensometer, reducing operator influence and increasing consistency • 1 micron accuracy—measure modulus to ISO 527 • Patented LED lighting and fan system eliminates environmental influences • Measures both tensile and compressive strain • Can be used on chambers for cold and hot tensile tests • Can be used for full-field strain measurement using Digital Image Correlation Software
- 12. 12 DIC Replay • Streamlined full-field strain package tailored for the materials testing market • Allows users to analyze advanced strain characteristics after the test • No PhD degree required! Simple integration & convenient mounting •Consumes images saved by Instron® AVE camera •No spaghetti cabling •Synchronizes with data collected from the testing system
- 13. 13 Why Instron DIC? Integrated and synchronous collection of all data from testing system, e.g. force and camera Only 1 PCIntegrated camera and lighting unit sits on the frame out of the way of testing area. Polarized light is used so ambient light doesn’t matter. Easy to use, where users can focus on analyzing and understanding their results rather than assembling test rigs.
- 14. 14 DIC Application Examples • Multiple extensometers for the same sample • Can decide location post test
- 15. 15 DIC Application Examples • Component—Identify strain “hot spots”
- 16. 16 DIC Application Examples • Foam specimen—Traditional strain measurement was not possible • Speckled with felt pen • Split seen in DIC • Virtual extensometers at 25mm and 50mm GLs
- 17. 17 DIC Application Examples • Composite Laminate—Open-Hole Tension • Complex 2D strain distribution • Measure all components of 2D strain tensor (axial, transverse, shear), along with maximum and minimum principle strains Shear Strain Axial Strain
- 18. 18 What Can We Do Next? • If you’re interested in further discussions: • Arrange a demonstration on site by our sales engineer • Visit our applications laboratories and bring samples • Send samples for us to test
- 19. Thanks for your time!