Analysis Of Heat Generation Under Plastic Deformation, Crack Initiation And Propagation
Author(s)
H. Sakamoto, J. Shi, D. Kumagai
Abstract
Analysis of heat generation under plastic
deformation, crack initiation and propagation
H. Sakamoto*, J. Shi\ D. Kumagai^
* Department of Mechanical Engineering and Materials Science,
Kumamoto University, Japan
^J.S.T. Manufacturing Co. Ltd., Japan
Abstract
In order to evaluate the plastic deformation of mechanical members, we pay
attention to surface temperature that is generated by plastic deformation.
Most of the plastic energy exhausted by plastic deforming is converted into
heat. The distributions of the heat generation represent the microscopic
plastic deformed intensity. In the present study, the tensile tests were
performed on stainless steel (SUS304) plate with a center crack. We
measured the distributions of surface temperature by using the
thermocouple and thermograpy (TVS: Thermal Video System) under the
plastic deformation and crack propagation. Furthermore FEM elasto-
plastic analysis coupled with transient heat condition analysis was
performed. The analy
Keywords
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