On the compressive behaviour of sintered porous coppers with low to medium porosities - Part I: Experimental study

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	On the compressive behaviour of sintered porous coppers with low to medium porosities - Part I: Experimental study
	E. L. Zhang ; B. Wang
刊名	International Journal of Mechanical Sciences
	2005
卷号	47 期号:4-5 页码:744-756
关键词	porous metal void modulus yield strength compressive property deformation mechanism taylor impact test ductile fracture void nucleation
ISSN号	0020-7403
中文摘要	A space holder method in power metallurgy has been used to prepare porous coppers of low to medium porosities with good control of pore size, shape as well as distribution. The compressive properties of the porous coppers have been investigated. While the modulus is found to decrease in terms of porosity, it appears to be insensitive to powder size. The yield strength shows a linear relationship with porosity, and is found to follow a Hall-Petch relationship with powder size. The deformation mechanism of the porous metals has been studied by a displacement controlled uniaxial compression. Results show that under a quasi-static condition, porous coppers with low to medium porosities deform homogeneously throughout the material, behaving more like a solid metal rather than a foam material. This paper focuses on the experimental study of the compressive strength of the porous coppers. Details of the preparation of sample materials and the microstructure study, as well as constitutive modelling are to be presented elsewhere. (c) 2005 Elsevier Ltd. All rights reserved.
原文出处	://WOS:000229359700016
公开日期	2012-04-14
内容类型	期刊论文
源URL	[http://ir.imr.ac.cn/handle/321006/35202]
专题	金属研究所_中国科学院金属研究所
推荐引用方式 GB/T 7714	E. L. Zhang,B. Wang. On the compressive behaviour of sintered porous coppers with low to medium porosities - Part I: Experimental study[J]. International Journal of Mechanical Sciences,2005,47(4-5):744-756.
APA	E. L. Zhang,&B. Wang.(2005).On the compressive behaviour of sintered porous coppers with low to medium porosities - Part I: Experimental study.International Journal of Mechanical Sciences,47(4-5),744-756.
MLA	E. L. Zhang,et al."On the compressive behaviour of sintered porous coppers with low to medium porosities - Part I: Experimental study".International Journal of Mechanical Sciences 47.4-5(2005):744-756.