[1]胡晓斌,刘坤,蔡莲淑,等.热型连铸柱状晶Cu-Al-Be合金丝力学性能试验研究[J].世界地震工程,2017,33(02):127-134.
 HU Xiaobin,LIU Kun,CAI Lianshu,et al.Experimental study of mechanical behavior of columnar grain Cu-Al-Be alloy wire produced using hot mold continuous casting method[J].,2017,33(02):127-134.
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热型连铸柱状晶Cu-Al-Be合金丝力学性能试验研究
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《世界地震工程》[ISSN:/CN:]

卷:
33
期数:
2017年02期
页码:
127-134
栏目:
出版日期:
2017-07-14

文章信息/Info

Title:
Experimental study of mechanical behavior of columnar grain Cu-Al-Be alloy wire produced using hot mold continuous casting method
作者:
胡晓斌1 刘坤1 蔡莲淑2 黎沃光2
1. 武汉大学 土木建筑工程学院, 湖北 武汉 430072;
2. 广东工业大学 材料与能源学院, 广东 广州 510006
Author(s):
HU Xiaobin1 LIU Kun1 CAI Lianshu2 LI Woguang2
1. School of Civil Engineering, Wuhan University, Wuhan 430072, China;
2. School of Material and Energy, Guangdong University of Technology, Guangzhou 510006, China
关键词:
Cu-Al-Be合金超弹性本构模型循环加载率相关性
Keywords:
Cu-Al-Be alloysuperelastic tityconstitutive modelcyclic loadingrate-dependency
分类号:
TU352
摘要:
采用循环加载试验,研究了热型连铸柱状晶Cu-Al-Be合金丝的超弹性力学性能,重点考察了合金丝循环加载次数及加载速率的影响,并基于试验结果提出了二种本构模型。结果表明:Cu-Al-Be合金丝具有很好的塑性变形能力和可恢复变形能力:经过循环加载训练后的Cu-Al-Be合金丝具有稳定的滞回性能,且残余变形较小:Cu-Al-Be合金丝的力学性能具有很强的率相关性:修正Wilde模型和FS模型均具有较高的分析精度,且后者计算效率更高。
Abstract:
In this paper, the superelastic mechanical behavior of columnar grain Cu-Al-Be alloy wire produced using hot mold continuous casting method was studied by cyclic loading test focusing on investigating the influence of the number of cyclic loading and loading rate. Based on the test results, two constitutive models were proposed. The results show that the Cu-Al-Be alloy wire has large plastic and recoverable deformation capabilities. After trained by cyclic loading, the Cu-Al-Be alloy wire has a stable hysteresis performance with minimal residual deformation. In addition, the mechanical behavior of the Cu-Al-Be alloy wire is highly dependent on the loading rate. The proposed modified Wilde model and FS model both have high analysis precision, while the latter has higher computational efficiency.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期:2015-06-27;改回日期:2015-10-15。
基金项目:国家自然科学基金项目(51208386);教育部博士点基金项目(20120141120083)
作者简介:胡晓斌(1979-),男,工学博士,副教授,从事结构抗震研究.E-mail:newhxb@126.com
通讯作者:刘坤(1991-),男,硕士,从事结构抗震研究.E-mail:newliukun@126.com
更新日期/Last Update: 2017-07-08