Computational mesomechanics of titanium surface-hardened by ultrasonic treatment

被引：0
|
作者：
R. R. Balokhonov
V. A. Romanova
A. V. Panin
M. S. Kazachenok
机构：
[1] Russian Academy of Sciences,Institute of Strength Physics and Materials Science, Siberian Branch
[2] National Research Tomsk Polytechnic University,undefined
来源：
Physical Mesomechanics | 2017年 / 20卷
关键词：
mechanics of structured media; numerical modeling; modified surface layers; ultrasonic surface treatment; plastic strain localization;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
This paper studies plastic strain localization and stress-strain evolution in commercial titanium specimens with an ultrasonically treated surface. A dynamic plane strain boundary-value problem is numerically solved by the finite difference method. The microstructure and mechanical properties of the composition are specified in the calculations based on microhardness measurements, mechanical tensile tests, and metallographic studies. The dependences of the plastic flow localization characteristics on the geometry and mechanical properties of ultrasonically treated surface layers have been established. Plastic strain localization is found to depend on the geometry and mechanical properties of ultrasonically treated surface layers.
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页码：334 / 342
页数：8
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