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Compressive behavior of 64% porosity NiTi alloy: An experimental study
Guo, Zhiqiang ; Xie, Huimin ; Dai, Fulong ; Qiang, Haichang ; Rong, Lijian ; Chen, Pengwan ; Huang, Fenglei
2010-10-12 ; 2010-10-12
关键词64% porosity NiTi alloy Loading-unloading history Full-field surface deformation Metallographical analysis Nanoscience & Nanotechnology Materials Science, Multidisciplinary
中文摘要An experimental investigation of the compressive behavior of 64% porosity NiTi alloy was undertaken in this study. Both quasi-static and low-frequency fatigue compressive tests were carried out to obtain the compressive stress-strain curves of specimens. Special attention was paid to the loading-unloading history effect on the stress-strain curves. Full-field surface deformation measurement was carried out via moire interferometry when specimens were compressed. Inhomogeneous deformation property of the material caused by the porous structure was clearly presented. The loading-unloading history effect was also studied using the moire interferometry method. Finally real time metallographic analysis during compression tests explained the causes of the loading-unloading history effect of the porous material from microscopic point of view. These findings are believed to be essential elements in the theoretical modeling of compressive behavior especially loading-unloading history effect of the high porosity NiTi alloy, and. which still need further systematic examination in the future. (C) 2009 Elsevier B.V. All rights reserved.
语种英语 ; 英语
出版者ELSEVIER SCIENCE SA ; LAUSANNE ; PO BOX 564, 1001 LAUSANNE, SWITZERLAND
内容类型期刊论文
源URL[http://hdl.handle.net/123456789/79184]  
专题清华大学
推荐引用方式
GB/T 7714
Guo, Zhiqiang,Xie, Huimin,Dai, Fulong,et al. Compressive behavior of 64% porosity NiTi alloy: An experimental study[J],2010, 2010.
APA Guo, Zhiqiang.,Xie, Huimin.,Dai, Fulong.,Qiang, Haichang.,Rong, Lijian.,...&Huang, Fenglei.(2010).Compressive behavior of 64% porosity NiTi alloy: An experimental study..
MLA Guo, Zhiqiang,et al."Compressive behavior of 64% porosity NiTi alloy: An experimental study".(2010).
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