Food Chain and Food Web (Ecosystem) EVS, B. Pharmacy 1st Year, Sem-II
TOM UNIT 1 (1).pptx
1. Dr.N.G.P. Institute of Technology
Approved by AICTE, New Delhi & Affiliated to Anna University, Chennai
Recognized by UGC & Accredited by NAAC with A+ and NBA [BME, CSE, ECE, EEE & Mechanical]
Department of Mechanical Engineering
Name of the Faculty :Mr.V.P.PRADEEP
Subject Name & Code :OML751 Testing of Materials
Branch & Department :B.E Mechanical
Year & Semester :IV & VII
Academic Year :2022-2023
ME0000/Subject/Mech/Dr.N.G.P.IT 1
2.
3. SYLLABUS
• UNIT I INTRODUCTION TO MATERIALS
TESTING
Overview of materials, Classification of material
testing, Purpose of testing, Selection of material,
Development of testing, Testing organizations
and its committee, Testing standards, Result
Analysis, Advantages of testing.
11. WHY IS MATERIALS TESTING PERFORMED?
• Materials Testing is performed for a variety of reasons and
can provide a wealth of information about the tested
materials, prototypes or product samples. The data
collected during testing and the final test results can be
very useful to engineers, designers, production managers
and others.
• Here are some of the reasons material testing is important:
• Meeting requirements of regulatory agencies
• Selecting appropriate materials and treatments for an
application
• Evaluating product design or improvement specifications
• Verifying a production process
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16. TYPES OF DESTRUCTIVE TEST
Destructive Test
Hardness Test Toughness Test
Izod Test
Charpy Test
Brinell Test
Vickers Test
Brinell Test
Shore Test
17. Destructive Test
• Destructive test are those test by which we can check or
inspect the products by different mechanical test means we
can directly calculate or measure the flaws of the products.
• All industries should have facilities to determine the
mechanical properties of the products.
• Mechanical testing methods include certain procedure
which required a standard type of equipments which are
termite machine, hardness testing machine, impact testing
machine and fatigue machine etc.
• OR
• In this test the material is destroyed and cannot any more
be used after test. Examples are: Termite test, compression
test and impact test.
18. Non-destructive Testing (NDT)
• Non-destructive Testing (NDT) is a generic
term for a wide range of analysis techniques
used in science, industry, medicine, forensics
and art to evaluate the properties of a
material, component, system or structure
without causing harm.
19.
20. PURPOSE OF TESTING ENGINEERING
MATERIALS
• Materials testing is a respected and
established technique which is used to
ascertain both the physical and mechanical
properties of raw materials and components.
It can be used to examine almost anything
from human hair to steel, ceramics or
composite materials.
21. PURPOSE OF TESTING ENGINEERING
MATERIALS
There exists a large number of tests, many of
which are standardized, to determine the
various mechanical properties of materials. In
general, such tests set out to obtain geometry-
independent properties; i.e. those intrinsic to
the bulk material. In practice this is not always
feasible, since even in tensile tests, certain
properties can be influenced by specimen size
and/or geometry.
22.
23. MATERIAL STANDARDS
Material standards are specifications that
specify material properties: Typically may
include, among others: ...
Quality standards or requirements, like surface
finish or specific performance criteria.
24. • Organizations that develop and publish material
standards include:
• ASTM(American Society for Testing Materials)
• ANSI (American National Standards Institute)
• ISO(International Organization for Standardization)
• AWS – (American Welding Society)
• AMS-(Aerospace Material Specification)
• ASME (The American Society of Mechanical
Engineers)
• SAE
• , UL, IEC, BIFMA, EN, MIL and OEM-… and many
more
25. ISO
• The International Organization for
Standardization (ISO) is a global organization
that works to provide standardization across
an array of products and companies. Its main
goal is to facilitate trade, but its focus is on
process improvement, safety, and quality in
several areas.
26. Material Testing Standards
• This is a list of ASTM International standards. Standard
designations usually consist of a letter prefix and a
sequentially assigned number. This may optionally be
followed by a dash and the last two digits of the year in
which the standard was adopted. Prefix letters correspond
to the following subjects:
• A = Iron and Steel Materials
• B = Nonferrous Metal Materials
• C = Ceramic, Concrete, and Masonry Materials
• D = Miscellaneous Materials
• E = Miscellaneous Subjects
• F = Materials for Specific Applications
• G = Corrosion, Deterioration, and Degradation of
Materials
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28. • ASTM's physical and mechanical testing standards
provide guides for the proper procedures employed in
the determination of the physical, mechanical, and
metallographic properties of certain materials,
particularly metals and alloys.
• Using test methods such as scanning electron
microscopy, hole-drilling strain-gage method,
semiautomatic and automatic image analysis, and X-
ray diffraction, parameters like elastic moduli, impact
strength, ductility, hardness, residual stress, and grain
size are measured.
• These physical and mechanical testing standards allow
metallurgical laboratories, manufacturers, and other
producers and users of metals and alloys to examine
and evaluate such materials for strength and quality to
ensure safety towards their end-use.
29. • Materials analysis services evaluate material quality
and provide the necessary insight to improve
performance and resolve failure or contamination
issues.
• Materials such as polymers, plastics,
composites, metals, alloys, ceramics, paper and board
have diverse properties that impact performance.
• An understanding of material’s properties, therefore, is
essential to determine if the material or product is
suitable for its intended use or to understand and
rectify a failure.
Result Analysis
30. • Material Analysis support innovation in
industries such as engineering and
manufacturing.
• Total Quality Assurance in materials analysis
and testing and spans a wide range of industry
sectors, including aerospace, automotive,
nuclear, chemicals, oil and gas, polymers and
plastics, packaging, adhesives, medical
devices, textiles and apparel, building
materials, electronics, composites, consumer
products and nanomaterials.
31. • Materials analysis can ensure the quality of
materials, solve performance issues, support
product development and investigate failure
issues by providing the information needed to
understand the material’s composition,
structure, chemical properties, mechanical
properties or physical properties.
• Information from our reverse engineering and
Deformulation studies can give valuable
insight into the construction and properties of
products and materials.
32. Various Result Analysis Techniques
• Chemical Analysis
• Mechanical Testing
• Fracture and Fatigue Testing
• Metallurgical Testing
• Corrosion Testing
• RoHS Testing
• Welder and Procedure Qualification
• Heat treatment of specimens and welds for
capability testing and analysis
33. Result Analysis
• Material composition and identification; trace
element analysis
• Mechanical properties
• Microscopic product features
• Flaws and discontinuities
• Vulnerability to corrosion
34. Applications of Material Testing
• Materials testing machines are ideal for use in production, quality
control, education, research or laboratory settings. Due to the
extensive testing capabilities mentioned above, these devices can
be used in a diverse range of applications within markets such as:
• Electronics
• Automotive
• Paper and Board
• Medical
• Building Materials
• Metals
• Plastics
• Textiles
• Rubber
• Packaging
• Pharmaceuticals
• Wood
35.
36. Supportive Online Certification Courses
1.Materials Science: 10 Things Every Engineer Should Know :
https://www.coursera.org/learn/materials-science - Coursera Course offered by
University of California, Davis .
2. Material Behavior : https://www.coursera.org/learn/material-behavior
Coursera Course offered by Georgia Tech .
3.Material Science and Engineering:
https://nptel.ac.in/courses/113/107/113107078
NPTEL Course offered by IIT Roorkey.
![Dr.N.G.P. Institute of Technology
Approved by AICTE, New Delhi & Affiliated to Anna University, Chennai
Recognized by UGC & Accredited by NAAC with A+ and NBA [BME, CSE, ECE, EEE & Mechanical]
Department of Mechanical Engineering
Name of the Faculty :Mr.V.P.PRADEEP
Subject Name & Code :OML751 Testing of Materials
Branch & Department :B.E Mechanical
Year & Semester :IV & VII
Academic Year :2022-2023
ME0000/Subject/Mech/Dr.N.G.P.IT 1](https://image.slidesharecdn.com/tomunit11-221029080033-4e6ef568/85/TOM-UNIT-1-1-pptx-1-320.jpg)
