DEVELOPMENT OF DEFORMATION INSTABILITY IN HOT TENSILE TEST SPECIMENS

被引：3
|
作者：
ELFMARK, J
机构：
[1] Metal Forming Department, Technical University of Mining and Metallurgy, Ostrava-Poruba
来源：
METALLURGICAL TRANSACTIONS A-PHYSICAL METALLURGY AND MATERIALS SCIENCE | 1991年 / 22卷 / 10期
关键词：
D O I：
10.1007/BF02664995
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A calculation method has been evolved for analyzing the unstable deformation of hot tensile test specimens at the stability limit. Numerical solution of a differential equation permits computation of the shape of the specimen neck, of the distribution of transversal deformations along the specimen length, and of the state of stress in the neck. It has been confirmed that all of these quantities are strongly dependent on the presence or absence of dynamic recrystallization processes.
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页码：2297 / 2302
页数：6
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