| 3003铝合金蠕变行为与本构方程 |
| |
| 引用本文： | 刘贤翠,潘冶,陆韬,唐智骄,何为桥.3003铝合金蠕变行为与本构方程[J].材料导报,2018,32(6):1015-1019. |
| |
| 作者姓名： | 刘贤翠 潘冶 陆韬 唐智骄 何为桥 |
| |
| 作者单位： | 东南大学材料科学与工程学院江苏省先进金属材料高技术研究重点实验室 |
| |
| 基金项目： | 江苏省先进金属材料重点实验室资助项目(BM4737204) |
| |
| 摘 要： | 研究了3003铝合金冷轧变形后再结晶组织控制和175~250℃、外加应力25~50 MPa条件下3003铝合金的蠕变行为。采用弹性模量归一化应力幂律蠕变本构方程,对实验数据进行线性拟合,建立了能够较好描述稳态蠕变速率与应力、温度三者之间关系的本构方程。结果表明:采用350℃和600℃的两步再结晶退火,可获得有利于提高合金蠕变性能的长条状再结晶组织;温度越高,应力增加对稳态蠕变速率增加的贡献越大;不同温度下3003铝合金的蠕变机制不同,175℃时,应力指数n=3.5,蠕变主要由位错滑移控制;在200~250℃范围内,n处于5.1~8.6之间,蠕变主要由位错攀移控制。
|
| 关 键 词： | 3003铝合金 再结晶组织 蠕变 本构方程 |
Creep Behavior and Constitutive Equation of 3003 Aluminum Alloy |
| |
| LIU Xiancui,PAN Ye,LU Tao,TANG Zhijiao and HE Weiqiao.Creep Behavior and Constitutive Equation of 3003 Aluminum Alloy[J].Materials Review,2018,32(6):1015-1019. |
| |
| Authors: | LIU Xiancui PAN Ye LU Tao TANG Zhijiao and HE Weiqiao |
| |
| Affiliation: | Jiangsu Key Laboratory for Advanced Metallic Materials, School of Materials Science and Engineering,Southeast University, Nanjing 211189,Jiangsu Key Laboratory for Advanced Metallic Materials, School of Materials Science and Engineering,Southeast University, Nanjing 211189,Jiangsu Key Laboratory for Advanced Metallic Materials, School of Materials Science and Engineering,Southeast University, Nanjing 211189,Jiangsu Key Laboratory for Advanced Metallic Materials, School of Materials Science and Engineering,Southeast University, Nanjing 211189 and Jiangsu Key Laboratory for Advanced Metallic Materials, School of Materials Science and Engineering,Southeast University, Nanjing 211189 |
| |
| Abstract: | |
| |
| Keywords: | 3003 aluminum alloy recrystallization microstructure creep constitutive equation |
| 本文献已被 CNKI 等数据库收录！ |
| 点击此处可从《材料导报》浏览原始摘要信息 |
|
点击此处可从《材料导报》下载全文 |
|
