About this Abstract |
Meeting |
2020 TMS Annual Meeting & Exhibition
|
Symposium
|
2020 Technical Division Student Poster Contest
|
Presentation Title |
SPG-61: Evaluation of the Magnitude and Directionality of Residual Stress on SUS316L using Instrumented Indentation Test |
Author(s) |
Kyungyul Lee, Jong-hyoung Kim, Junsang Lee, Byungchul Kim, Michael B. Prime, Dongil Kwon |
On-Site Speaker (Planned) |
Kyungyul Lee |
Abstract Scope |
Residual stress is stress that remain in material after the original cause of the stresses has been removed. It is often a cause of premature failure of critical components, and was probably a factor in the collapse of structure. Therefore, quantitative evaluation of residuals stress in structural materials is important. Residual stress measurement techniques such as saw cutting and contour method are limited by being destructive methods. Scanning methods such as XRD and neutron diffraction methods are non-destructive but extremely sensitive to the test environment. To overcome these limitations, an instrumented indentation test(IIT) has been developed from hardness test. IIT measures the indenting load and penetration depth in real time and displays it as a continuous curve. Recent researchers have analyzed this curve and developed it to evaluate mechanical properties and residual stress. This presentation introduces the results of joint research with the Los Alamos National lab using IIT. |
Proceedings Inclusion? |
Undecided |