Strain rate behaviour in tension of austenitic stainless steel used for reinforcing bars

被引：67
|
作者：
Cadoni, Ezio [1 ]
Fenu, Luigi [2 ]
Forni, Daniele [1 ]
机构：
[1] Univ Appl Sci So Switzerland, DynaMat Lab, CH-6952 Canobbio, Switzerland
[2] Univ Cagliari, Dept Civil Engn Environm & Architecture, I-09123 Cagliari, Italy
来源：
CONSTRUCTION AND BUILDING MATERIALS | 2012年 / 35卷
关键词：
Reinforcing bar; Stainless steel; Strain rate; AISI304; Impact; MECHANICAL-PROPERTIES; CONCRETE; IMPACT;
D O I：
10.1016/j.conbuildmat.2012.04.081
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
The behaviour under impact loading of stainless steels used for reinforcing bars is studied. Therefore, the effect of strain rate on AISI304 stainless steel was investigated. Tensile tests on round specimens at different strain-rate levels (high, intermediate and quasi-static) were performed. Stress-strain relationships under different strain-rate levels were obtained, and dependency on strain rate was found. The results were then compared with existing formulations, and finally used to obtain the material parameters of constitutive relationships, that can accurately predict the flow behaviour to describe the dynamic mechanical properties of stainless steel rebars. (C) 2012 Elsevier Ltd. All rights reserved.
引用
收藏
页码：399 / 407
页数：9
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