The document analyzes the tensile and high cycle fatigue performance of ferrite-pearlite 800 steel. Microstructural analysis found the steel contains ferrite and pearlite phases as well as TiN inclusions. Tensile tests showed the steel has greater strength and ductility in the transverse direction. High cycle fatigue tests determined the strain hardening exponent and endurance limit. Fracture surface analysis found fatigue cracks form on the surface or inside depending on stress amplitude, propagating transgranularly or intergranularly. The steel exhibits cyclic hardening behavior important for automotive applications like wheels.
Regression analysis of shot peening process for performance characteristics o...IJMER
International Journal of Modern Engineering Research (IJMER) is Peer reviewed, online Journal. It serves as an international archival forum of scholarly research related to engineering and science education.
EFFECT OF LONGITUDINAL WELD POOL OSCILLATION (LWPO) ON TENSILE PROPERTIES OF ...IAEME Publication
The effects of longitudinal weld pool oscillation on tensile properties of IS 2062-2006 mild steel welds were investigated. Mild steel workpieces were welded at different frequencies and
amplitudes of longitudinal oscillation. Frequencies and amplitudes of oscillations were varied in the range of 0 to 400 Hz and 0 to 30µm, respectively.
Mechanism of Fracture in Friction Stir Processed Aluminium AlloyDr. Amarjeet Singh
Aluminium alloys are used for important
applications in reducing the weight of the component and
structure particularly associated with transport, marine,
and aerospace fields. Grain refinement by scandium (Sc)
addition can eliminate the casting defects and increase the
resistance to hot tearing for high strength aluminium alloys.
FSP for cast aluminium alloys have been focused and it has
great advantages including solid state microstructural
evolution, altering mechanical properties by optimizing
process parameters. These parameters are tool rotational
speeds (720, and 1000 rpm), traverse speeds (80, and 70
mm/min), and axial compressive force at 15 kN, etc. The
mechanical properties had been evaluated on FSPed
aluminium alloy with different microstructural conditions.
Fracture properties of aluminium alloys are very important
for industrial applications. Tensile and fracture toughness
properties were correlated to microstructural and
fractographic features of the aluminium alloys need to
explore their essential failure mechanisms.
Friction stir welding of aluminium 5086 alloyseSAT Journals
Abstract Friction Stir welding (FSW) is a solid state attachment method used for welding of metals of same and different metals. This process of friction stir welding (FSW) is widely using for the reason it can produces sound welds and doesn't have common issues like solidification and liquefaction cracking connected to the fusion techniques. The Friction stir welding of Al 5086 alloys had been commercialized and up to date interest is targeted on change of integrity with different metals. Thus on commercialize this method, analysis studies are required to characterize. particularly, FSW has impressed researchers to aim modification of integrity different metals like aluminum 5086 that differ in properties and sound welds with none or restricted inter metallic bonding of components has been done. In this paper we have to make a research on the current analysis state of FSW between aluminum 5086 with attention on the resulting welding and tensile strength, microstructure, elongation and the tools are used to produce the welds and also an insight into future analysis during this process of study the project of friction welding. By this process in our project we got an idea of going to maintain the rotational speed (rpm) 450 to 1400 and also by changing welding rpm (speed). This friction stir welding is used in nasa for joining of two totally different or same types of materials. Keywords: Friction stir welding, Tool, Welding parameters, and Mechanical properties etc…
Regression analysis of shot peening process for performance characteristics o...IJMER
International Journal of Modern Engineering Research (IJMER) is Peer reviewed, online Journal. It serves as an international archival forum of scholarly research related to engineering and science education.
EFFECT OF LONGITUDINAL WELD POOL OSCILLATION (LWPO) ON TENSILE PROPERTIES OF ...IAEME Publication
The effects of longitudinal weld pool oscillation on tensile properties of IS 2062-2006 mild steel welds were investigated. Mild steel workpieces were welded at different frequencies and
amplitudes of longitudinal oscillation. Frequencies and amplitudes of oscillations were varied in the range of 0 to 400 Hz and 0 to 30µm, respectively.
Mechanism of Fracture in Friction Stir Processed Aluminium AlloyDr. Amarjeet Singh
Aluminium alloys are used for important
applications in reducing the weight of the component and
structure particularly associated with transport, marine,
and aerospace fields. Grain refinement by scandium (Sc)
addition can eliminate the casting defects and increase the
resistance to hot tearing for high strength aluminium alloys.
FSP for cast aluminium alloys have been focused and it has
great advantages including solid state microstructural
evolution, altering mechanical properties by optimizing
process parameters. These parameters are tool rotational
speeds (720, and 1000 rpm), traverse speeds (80, and 70
mm/min), and axial compressive force at 15 kN, etc. The
mechanical properties had been evaluated on FSPed
aluminium alloy with different microstructural conditions.
Fracture properties of aluminium alloys are very important
for industrial applications. Tensile and fracture toughness
properties were correlated to microstructural and
fractographic features of the aluminium alloys need to
explore their essential failure mechanisms.
Friction stir welding of aluminium 5086 alloyseSAT Journals
Abstract Friction Stir welding (FSW) is a solid state attachment method used for welding of metals of same and different metals. This process of friction stir welding (FSW) is widely using for the reason it can produces sound welds and doesn't have common issues like solidification and liquefaction cracking connected to the fusion techniques. The Friction stir welding of Al 5086 alloys had been commercialized and up to date interest is targeted on change of integrity with different metals. Thus on commercialize this method, analysis studies are required to characterize. particularly, FSW has impressed researchers to aim modification of integrity different metals like aluminum 5086 that differ in properties and sound welds with none or restricted inter metallic bonding of components has been done. In this paper we have to make a research on the current analysis state of FSW between aluminum 5086 with attention on the resulting welding and tensile strength, microstructure, elongation and the tools are used to produce the welds and also an insight into future analysis during this process of study the project of friction welding. By this process in our project we got an idea of going to maintain the rotational speed (rpm) 450 to 1400 and also by changing welding rpm (speed). This friction stir welding is used in nasa for joining of two totally different or same types of materials. Keywords: Friction stir welding, Tool, Welding parameters, and Mechanical properties etc…
International Journal of Engineering Research and Applications (IJERA) is an open access online peer reviewed international journal that publishes research and review articles in the fields of Computer Science, Neural Networks, Electrical Engineering, Software Engineering, Information Technology, Mechanical Engineering, Chemical Engineering, Plastic Engineering, Food Technology, Textile Engineering, Nano Technology & science, Power Electronics, Electronics & Communication Engineering, Computational mathematics, Image processing, Civil Engineering, Structural Engineering, Environmental Engineering, VLSI Testing & Low Power VLSI Design etc.
Knowledge and Experience of Menopause - A Rural Based Study in Aligarhjournal ijrtem
ABSTRACT: The menopause is a transitional phase in women’s life.The level of oestrogen is decreased ,because of which a variety of symptoms such as hot flushes, mucosal dryness, excessive sweating, emotional fluctuations, psychoses, decr-eased strength and calcification of bones occurs. Attitudes, perception and expectations are part of the psychosocial phenomenon surrounding menopause. Natural menopause is diagnosed after 12 months of amenorrhoea not associated with a pathological cause. Menopause is a gradual process that lasts for about 2 years, called climacteric. It is normal and should not be taken as a disease or syndrome. The aim of this study was to find out the knowledge and experience of menopausal symptoms among women who had attained menopause
International Journal of Engineering Research and Applications (IJERA) is an open access online peer reviewed international journal that publishes research and review articles in the fields of Computer Science, Neural Networks, Electrical Engineering, Software Engineering, Information Technology, Mechanical Engineering, Chemical Engineering, Plastic Engineering, Food Technology, Textile Engineering, Nano Technology & science, Power Electronics, Electronics & Communication Engineering, Computational mathematics, Image processing, Civil Engineering, Structural Engineering, Environmental Engineering, VLSI Testing & Low Power VLSI Design etc.
Optimizing the process parameters of friction stir butt welded joint on alumi...eSAT Journals
Abstract This paper deals with Friction stir welding of AA6061-T6Aluminum Alloy by using H13 Tool at different rotational speeds and welding feeds &pin diameters. Experiments were conducted according to L9 Orthogonal array which was suggested by Taguchi. Optimum parameters for optimum Tensile strength, Hardness and ductility were found with the help of S/N ratios. Therefore optimization of input process parameter is required to achieve good quality of welding. In this experiment the effect of process parameters on welded joint was studied and optimizes the parameter by using Taguchi method for tensile strength, hardness, ductility. Assign the rank to each factor which are having more influence on the mean of tensile strength, hardness and ductility Keywords: FSW, Taguchi, DOE, Tensile Strength, Hardness, Ductility
Flexural strength also known as the bending strength which plays a vital role in the
industries where the heavy load application is implemented. The study reports show that
shotpeening technique considerably improves the mechanical properties of a material
such as hardness, fatigue strength, corrosion resistance, flexural (or) bending strength
etc. Here the shot material used for shotpeening is glass beads and the target material is
aluminum alloy of grade AA-2024 T3 which is widely used in the automobile and
aircraft industries due to its light weight and strength. The experimental results show
there is an improvement in the flexural strength of AA2024-T3material after
shotpeening
Effect of cold swaging on the mechanical and microstructure characteristics o...eSAT Journals
Abstract In this experimental investigation, the post sintering mechanical treatment was implemented by cold swaging the produced tungsten alloy rods with composition (90W-7Ni-3Fe %wt) by cold isostatic press with 300 MPa, and appling different reductions of cross sectional area varying from 10% up to 50%. On the mechanical and microstructure properties of the tungsten heavy alloy (89.97W-7Ni-3Fe-0.03 Y2O3 %wt). Elemental powders were mixed for 120 min. Green compacted by cold isostatic press with 300 MPa, and Finally the specimens were sintered at 1480ºC for 90 min under vacuum atmosphere. It was found that the ultimate tensile strength and hardness were remarkably increased by about 39% and 45% respectively, by the application of 50% area reduction by swaging, relative to the sintered specimens. On the other hand, ductility and impact resistance were deeply decreased by about 75% and 53% respectively, by also, the application of 50% area reduction by swaging. Keywords: Cold Swaging, Liquid Phase Sintering, Tungsten Heavy Alloy, Powder Metallurgy.
Influence Of Surface Roughness On Ultra-High-Cycle Fatigue Of Aisi 4140 Steel.IJERA Editor
Low and high-cycle fatigue life regimes are well studied and are relatively well understood. However, recent fatigue studies on steels have shown that fatigue failures can occur at low amplitudes even below the conventional fatigue limit in the ultra-high-cycle fatigue range (life higher than 107 cycles). Fatigue life in the regime of 106 to 108 cycles-to-failure in terms of the influence of manufacturing processes on fatigue strength is examined. Specifically, the influence of surface roughness of turned surfaces of AISI 4140 steel specimens on fatigue strength in the giga cycle or ultra-high-cycle fatigue range is evaluated. The fatigue experiments were carried out at room temperature, with zero mean stress, on a rotating-bending fatigue testing machine of the constant bending moment type. The fatigue strength of the specimens were determined using the staircase (or up-and-down) method.
Corrosion fatigue crack growth experiment was conducted on ESE(T) (Eccentrically-loaded Single Edge notch Tension) specimen made of IS 2062 steel in salt water environment. The specimen was placed in a transparent chamber made of perspex sheet containing 3.5% NaCl solution which acted as corrosion environment. The corrosion process was accelerated by applying constant direct current of 0.2 A which was supplied by means of a regulated power supply. The test was conducted using a ±250 kN capacity computer controlled servo-hydraulic fatigue rated Universal Testing Machine. The maximum and minimum load values were 15 kN and 1.5 kN. The test frequency was 0.375 Hz and the stress ratio was 0.1. Number of cycles to crack initiation was determined. Crack growth data were recorded at regular intervals. Crack growth curves were plotted and material constants C and m were found. Analytical studies were carried out and the results were compared with experimental results. Details of the analytical and experimental studies and the results are presented in this paper.
International Journal of Engineering Research and Applications (IJERA) is an open access online peer reviewed international journal that publishes research and review articles in the fields of Computer Science, Neural Networks, Electrical Engineering, Software Engineering, Information Technology, Mechanical Engineering, Chemical Engineering, Plastic Engineering, Food Technology, Textile Engineering, Nano Technology & science, Power Electronics, Electronics & Communication Engineering, Computational mathematics, Image processing, Civil Engineering, Structural Engineering, Environmental Engineering, VLSI Testing & Low Power VLSI Design etc.
Knowledge and Experience of Menopause - A Rural Based Study in Aligarhjournal ijrtem
ABSTRACT: The menopause is a transitional phase in women’s life.The level of oestrogen is decreased ,because of which a variety of symptoms such as hot flushes, mucosal dryness, excessive sweating, emotional fluctuations, psychoses, decr-eased strength and calcification of bones occurs. Attitudes, perception and expectations are part of the psychosocial phenomenon surrounding menopause. Natural menopause is diagnosed after 12 months of amenorrhoea not associated with a pathological cause. Menopause is a gradual process that lasts for about 2 years, called climacteric. It is normal and should not be taken as a disease or syndrome. The aim of this study was to find out the knowledge and experience of menopausal symptoms among women who had attained menopause
International Journal of Engineering Research and Applications (IJERA) is an open access online peer reviewed international journal that publishes research and review articles in the fields of Computer Science, Neural Networks, Electrical Engineering, Software Engineering, Information Technology, Mechanical Engineering, Chemical Engineering, Plastic Engineering, Food Technology, Textile Engineering, Nano Technology & science, Power Electronics, Electronics & Communication Engineering, Computational mathematics, Image processing, Civil Engineering, Structural Engineering, Environmental Engineering, VLSI Testing & Low Power VLSI Design etc.
Optimizing the process parameters of friction stir butt welded joint on alumi...eSAT Journals
Abstract This paper deals with Friction stir welding of AA6061-T6Aluminum Alloy by using H13 Tool at different rotational speeds and welding feeds &pin diameters. Experiments were conducted according to L9 Orthogonal array which was suggested by Taguchi. Optimum parameters for optimum Tensile strength, Hardness and ductility were found with the help of S/N ratios. Therefore optimization of input process parameter is required to achieve good quality of welding. In this experiment the effect of process parameters on welded joint was studied and optimizes the parameter by using Taguchi method for tensile strength, hardness, ductility. Assign the rank to each factor which are having more influence on the mean of tensile strength, hardness and ductility Keywords: FSW, Taguchi, DOE, Tensile Strength, Hardness, Ductility
Flexural strength also known as the bending strength which plays a vital role in the
industries where the heavy load application is implemented. The study reports show that
shotpeening technique considerably improves the mechanical properties of a material
such as hardness, fatigue strength, corrosion resistance, flexural (or) bending strength
etc. Here the shot material used for shotpeening is glass beads and the target material is
aluminum alloy of grade AA-2024 T3 which is widely used in the automobile and
aircraft industries due to its light weight and strength. The experimental results show
there is an improvement in the flexural strength of AA2024-T3material after
shotpeening
Effect of cold swaging on the mechanical and microstructure characteristics o...eSAT Journals
Abstract In this experimental investigation, the post sintering mechanical treatment was implemented by cold swaging the produced tungsten alloy rods with composition (90W-7Ni-3Fe %wt) by cold isostatic press with 300 MPa, and appling different reductions of cross sectional area varying from 10% up to 50%. On the mechanical and microstructure properties of the tungsten heavy alloy (89.97W-7Ni-3Fe-0.03 Y2O3 %wt). Elemental powders were mixed for 120 min. Green compacted by cold isostatic press with 300 MPa, and Finally the specimens were sintered at 1480ºC for 90 min under vacuum atmosphere. It was found that the ultimate tensile strength and hardness were remarkably increased by about 39% and 45% respectively, by the application of 50% area reduction by swaging, relative to the sintered specimens. On the other hand, ductility and impact resistance were deeply decreased by about 75% and 53% respectively, by also, the application of 50% area reduction by swaging. Keywords: Cold Swaging, Liquid Phase Sintering, Tungsten Heavy Alloy, Powder Metallurgy.
Influence Of Surface Roughness On Ultra-High-Cycle Fatigue Of Aisi 4140 Steel.IJERA Editor
Low and high-cycle fatigue life regimes are well studied and are relatively well understood. However, recent fatigue studies on steels have shown that fatigue failures can occur at low amplitudes even below the conventional fatigue limit in the ultra-high-cycle fatigue range (life higher than 107 cycles). Fatigue life in the regime of 106 to 108 cycles-to-failure in terms of the influence of manufacturing processes on fatigue strength is examined. Specifically, the influence of surface roughness of turned surfaces of AISI 4140 steel specimens on fatigue strength in the giga cycle or ultra-high-cycle fatigue range is evaluated. The fatigue experiments were carried out at room temperature, with zero mean stress, on a rotating-bending fatigue testing machine of the constant bending moment type. The fatigue strength of the specimens were determined using the staircase (or up-and-down) method.
Corrosion fatigue crack growth experiment was conducted on ESE(T) (Eccentrically-loaded Single Edge notch Tension) specimen made of IS 2062 steel in salt water environment. The specimen was placed in a transparent chamber made of perspex sheet containing 3.5% NaCl solution which acted as corrosion environment. The corrosion process was accelerated by applying constant direct current of 0.2 A which was supplied by means of a regulated power supply. The test was conducted using a ±250 kN capacity computer controlled servo-hydraulic fatigue rated Universal Testing Machine. The maximum and minimum load values were 15 kN and 1.5 kN. The test frequency was 0.375 Hz and the stress ratio was 0.1. Number of cycles to crack initiation was determined. Crack growth data were recorded at regular intervals. Crack growth curves were plotted and material constants C and m were found. Analytical studies were carried out and the results were compared with experimental results. Details of the analytical and experimental studies and the results are presented in this paper.
Similar to Fractography analysis on tensile and high cycle fatigue performance of FP 800 steel (20)
Hybrid optimization of pumped hydro system and solar- Engr. Abdul-Azeez.pdffxintegritypublishin
Advancements in technology unveil a myriad of electrical and electronic breakthroughs geared towards efficiently harnessing limited resources to meet human energy demands. The optimization of hybrid solar PV panels and pumped hydro energy supply systems plays a pivotal role in utilizing natural resources effectively. This initiative not only benefits humanity but also fosters environmental sustainability. The study investigated the design optimization of these hybrid systems, focusing on understanding solar radiation patterns, identifying geographical influences on solar radiation, formulating a mathematical model for system optimization, and determining the optimal configuration of PV panels and pumped hydro storage. Through a comparative analysis approach and eight weeks of data collection, the study addressed key research questions related to solar radiation patterns and optimal system design. The findings highlighted regions with heightened solar radiation levels, showcasing substantial potential for power generation and emphasizing the system's efficiency. Optimizing system design significantly boosted power generation, promoted renewable energy utilization, and enhanced energy storage capacity. The study underscored the benefits of optimizing hybrid solar PV panels and pumped hydro energy supply systems for sustainable energy usage. Optimizing the design of solar PV panels and pumped hydro energy supply systems as examined across diverse climatic conditions in a developing country, not only enhances power generation but also improves the integration of renewable energy sources and boosts energy storage capacities, particularly beneficial for less economically prosperous regions. Additionally, the study provides valuable insights for advancing energy research in economically viable areas. Recommendations included conducting site-specific assessments, utilizing advanced modeling tools, implementing regular maintenance protocols, and enhancing communication among system components.
NO1 Uk best vashikaran specialist in delhi vashikaran baba near me online vas...Amil Baba Dawood bangali
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Quality defects in TMT Bars, Possible causes and Potential Solutions.PrashantGoswami42
Maintaining high-quality standards in the production of TMT bars is crucial for ensuring structural integrity in construction. Addressing common defects through careful monitoring, standardized processes, and advanced technology can significantly improve the quality of TMT bars. Continuous training and adherence to quality control measures will also play a pivotal role in minimizing these defects.
Automobile Management System Project Report.pdfKamal Acharya
The proposed project is developed to manage the automobile in the automobile dealer company. The main module in this project is login, automobile management, customer management, sales, complaints and reports. The first module is the login. The automobile showroom owner should login to the project for usage. The username and password are verified and if it is correct, next form opens. If the username and password are not correct, it shows the error message.
When a customer search for a automobile, if the automobile is available, they will be taken to a page that shows the details of the automobile including automobile name, automobile ID, quantity, price etc. “Automobile Management System” is useful for maintaining automobiles, customers effectively and hence helps for establishing good relation between customer and automobile organization. It contains various customized modules for effectively maintaining automobiles and stock information accurately and safely.
When the automobile is sold to the customer, stock will be reduced automatically. When a new purchase is made, stock will be increased automatically. While selecting automobiles for sale, the proposed software will automatically check for total number of available stock of that particular item, if the total stock of that particular item is less than 5, software will notify the user to purchase the particular item.
Also when the user tries to sale items which are not in stock, the system will prompt the user that the stock is not enough. Customers of this system can search for a automobile; can purchase a automobile easily by selecting fast. On the other hand the stock of automobiles can be maintained perfectly by the automobile shop manager overcoming the drawbacks of existing system.
Courier management system project report.pdfKamal Acharya
It is now-a-days very important for the people to send or receive articles like imported furniture, electronic items, gifts, business goods and the like. People depend vastly on different transport systems which mostly use the manual way of receiving and delivering the articles. There is no way to track the articles till they are received and there is no way to let the customer know what happened in transit, once he booked some articles. In such a situation, we need a system which completely computerizes the cargo activities including time to time tracking of the articles sent. This need is fulfilled by Courier Management System software which is online software for the cargo management people that enables them to receive the goods from a source and send them to a required destination and track their status from time to time.
Cosmetic shop management system project report.pdfKamal Acharya
Buying new cosmetic products is difficult. It can even be scary for those who have sensitive skin and are prone to skin trouble. The information needed to alleviate this problem is on the back of each product, but it's thought to interpret those ingredient lists unless you have a background in chemistry.
Instead of buying and hoping for the best, we can use data science to help us predict which products may be good fits for us. It includes various function programs to do the above mentioned tasks.
Data file handling has been effectively used in the program.
The automated cosmetic shop management system should deal with the automation of general workflow and administration process of the shop. The main processes of the system focus on customer's request where the system is able to search the most appropriate products and deliver it to the customers. It should help the employees to quickly identify the list of cosmetic product that have reached the minimum quantity and also keep a track of expired date for each cosmetic product. It should help the employees to find the rack number in which the product is placed.It is also Faster and more efficient way.
Welcome to WIPAC Monthly the magazine brought to you by the LinkedIn Group Water Industry Process Automation & Control.
In this month's edition, along with this month's industry news to celebrate the 13 years since the group was created we have articles including
A case study of the used of Advanced Process Control at the Wastewater Treatment works at Lleida in Spain
A look back on an article on smart wastewater networks in order to see how the industry has measured up in the interim around the adoption of Digital Transformation in the Water Industry.
Forklift Classes Overview by Intella PartsIntella Parts
Discover the different forklift classes and their specific applications. Learn how to choose the right forklift for your needs to ensure safety, efficiency, and compliance in your operations.
For more technical information, visit our website https://intellaparts.com
TECHNICAL TRAINING MANUAL GENERAL FAMILIARIZATION COURSEDuvanRamosGarzon1
AIRCRAFT GENERAL
The Single Aisle is the most advanced family aircraft in service today, with fly-by-wire flight controls.
The A318, A319, A320 and A321 are twin-engine subsonic medium range aircraft.
The family offers a choice of engines
Immunizing Image Classifiers Against Localized Adversary Attacksgerogepatton
This paper addresses the vulnerability of deep learning models, particularly convolutional neural networks
(CNN)s, to adversarial attacks and presents a proactive training technique designed to counter them. We
introduce a novel volumization algorithm, which transforms 2D images into 3D volumetric representations.
When combined with 3D convolution and deep curriculum learning optimization (CLO), itsignificantly improves
the immunity of models against localized universal attacks by up to 40%. We evaluate our proposed approach
using contemporary CNN architectures and the modified Canadian Institute for Advanced Research (CIFAR-10
and CIFAR-100) and ImageNet Large Scale Visual Recognition Challenge (ILSVRC12) datasets, showcasing
accuracy improvements over previous techniques. The results indicate that the combination of the volumetric
input and curriculum learning holds significant promise for mitigating adversarial attacks without necessitating
adversary training.