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ELASTIC‐PLASTIC DEFORMATION OF A CENTRALLY HEATED DISK

 

作者: U. Gamer,  

 

期刊: Journal of Thermal Stresses  (Taylor Available online 1985)
卷期: Volume 8, issue 1  

页码: 41-51

 

ISSN:0149-5739

 

年代: 1985

 

DOI:10.1080/01495738508942221

 

出版商: Taylor & Francis Group

 

数据来源: Taylor

 

摘要:

The subject of this investigation is stress, displacement, and plastic strain in a centrally heated elastic‐plastic disk. The material is assumed to obey Tresca's yield criterion and its associated flow rule and to exhibit linear strain hardening. Due to the loading under consideration, plastic flow sets in at the center of the disk in a “corner-regime” of Tresca's hexagon, and, as in related cases, the plastic core is composed of two parts, the outer lying in a “side-regime.” For a special hardening parameter, explicit expressions for stress, displacement, and plastic strain are derived. With increasing core temperature, a second plastic zone forms at the edge of the disk.

 

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