首页|A MODIFIED THERMAL VISCOPLASTIC CONSTITUTIVE LAW INVOLVING THE EFFECT OF TEMPERATURE RISE RATE

A MODIFIED THERMAL VISCOPLASTIC CONSTITUTIVE LAW INVOLVING THE EFFECT OF TEMPERATURE RISE RATE

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At high temperature rise rate, the mechanical properties of 10 # steel were determined experimentally in a very wide range of temperature and strain rates. A new constitutive relationship was put forward, which can fit with the experimental results and describe various phenomena observed in our experiments. Meanwhile, some interesting characteristics about the temperature rise rate, strain and strain rate hardening and thermal softening are also shown in this paper. Finally, the reliability of the constitutive law and the correctness of the constitutive parameters were verified by comparing the calculation results with the experimental data.

constitutive lawstrain ratetemperature rise rate

Huang Chenguang、Duan Zhuping

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LNM, Institute of Mechanics, Chinese Academy of Sciences, Beijing 100080, China

supported partly by The Laser Technology Field of National High Technology Planpartly by Key-Grant of NNSF of China

19891180 - 4

2000

固体力学学报(英文版)
中国力学学会

固体力学学报(英文版)

SCI
影响因子:0.214
ISSN:0894-9166
年,卷(期):2000.13(2)
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