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Temperature and Strain Rate Dependent Anisotropic Plastic Deformation Behavior of AZ31B Mg Alloy

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Title Statement Temperature and Strain Rate Dependent Anisotropic Plastic Deformation Behavior of AZ31B Mg Alloy
 
Added Entry - Uncontrolled Name Jaimin, Aarjoo ; Mechanical Engineering Department, BITS Pilani- Hyderabad Campus, Hyderabad 500078 India
Kotkunde, Nitin ; Mechanical Engineering Department, BITS Pilani- Hyderabad Campus, Hyderabad 500078 India
Sadhukhan, Anurag ; Mechanical Engineering Department, BITS Pilani- Hyderabad Campus, Hyderabad 500078 India
Singh, Swadesh Kumar; Institute for Sustainable Industries & Livable Cities, Victoria University, P.O. Box 14428, Melbourne, VIC 8001, Australia
 
Uncontrolled Index Term AZ31B, Deformation Behavior, Strain Hardening Behavior, Sheet Metal, K-M plot
 
Summary, etc. In the present study, the plastic deformation of commercially available AZ31B alloy at different temperatures (300K-473K) and strain rates (0.1s-1-0.01s-1-0.001s-1) under uniaxial tensile test has been carried out. Three different sheet orientations, viz., rolling direction (RD), transverse direction (TD), and 45° to rolling direction have been used. The outcomes of the experiments have demonstrated a temperature-dependent relationship between mechanical properties such as yield strength, ultimate tensile strength, and percentage elongation. The yield strength and ultimate tensile strength has decreased by 28.58% and 31.03% respectively as temperature increased from 300 K to 473 K. At elevated temperature (473 K) the material has exhibited highest ductility (64.88%) as compare to 300 K. The hardening exponent has been found to decrease with increasing temperature. The flow stress behaviour has been predicted using work hardening models such as the Hollomon and Ludwik. Two-stage work hardening behavior has been observed at all the temperatures. According to statistical parameter comparison, Ludwik equation prediction capability of correlation coefficient (0.9959) has been found to be best in agreement with the experimental results.
 
Publication, Distribution, Etc. Indian Journal of Engineering and Materials Sciences (IJEMS)
2023-02-24 00:29:07
 
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http://op.niscair.res.in/index.php/IJEMS/article/view/70311
 
Data Source Entry Indian Journal of Engineering and Materials Sciences (IJEMS); ##issue.vol## 29, ##issue.no## 6 (2022): IJEMS-DECEMBER 2022
 
Language Note en
 
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