Experimental determination of the macroscopic fatigue properties of metal hollow sphere structures

被引：20
|
作者：
Caty, O. [1 ]
Maire, E. [1 ]
Douillard, T. [1 ]
Bertino, P. [1 ]
Dejaeger, R. [1 ]
Bouchet, R. [2 ]
机构：
[1] Univ Lyon, MATEIS Lab, INSA Lyon, F-69621 Villeurbanne, France
[2] Off Natl Etud & Rech Aerosp, DMMP, F-92322 Chatillon, France
来源：
MATERIALS LETTERS | 2009年 / 63卷 / 13-14期
关键词：
Fatigue; Cellular metals; Metal foams; Hollow spheres; Mechanical properties; CELLULAR METALS; FOAMS;
D O I：
10.1016/j.matlet.2008.10.020
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Fatigue properties of a rather large range of metal hollow sphere structures were determined by mean of conventional fatigue tests. All the data were collected to build S-N curves. The constitutive material, the density, the thicknesses of the walls, the diameters and the fatigue loading mode were varied to determine the effect of each parameter. The constitutive material and the density are the two parameters that have the most important effect on the fatigue strength. The diameter of the spheres acts on the slope of the S-N curve. The fatigue strength measured in compression is twice the one measured in tension. (C) 2008 Elsevier B.V. All rights reserved.
引用
收藏
页码：1131 / 1134
页数：4
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