Mechanical behavior of open-cell metallic foams with dual-size cellular structure

被引：27

作者：

Kou, D. P. ^{[1
]}

Li, J. R. ^{[1
]}

Yu, J. L. ^{[1
]}

Cheng, H. F. ^{[2
]}

机构：

[1] Univ Sci & Technol China, CAS Key Lab Mech Behav & Design Mat, Hefei 230026, Anhui, Peoples R China

[2] Hefei Univ Technol, Sch Mat Sci & Engn, Hefei 230009, Anhui, Peoples R China

来源：

SCRIPTA MATERIALIA | 2008年 / 59卷 / 05期

基金：

中国国家自然科学基金;

关键词：

open-cell metallic foams; mechanical properties; dual-size cellular structure; finite element analysis; microstructure optimization;

D O I：

10.1016/j.scriptamat.2008.04.022

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

The mechanical properties of open-cell aluminum foams with dual-size cellular structure have been studied experimentally and numerically. Introducing secondary-size cells increases the stiffness and strength of open-cell aluminum foams. The effect of dual-size cellular structure optimization on the mechanical properties of open-cell foams is investigated using finite element analysis. Deformations of uniform-size and dual-size open-cell structures are compared and the mechanism whereby the dual-size cellular structure increases stiffness and strength is discussed. (c) 2008 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.

引用

页码：483 / 486

页数：4

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