Compressive property and energy absorption characteristic of open-cell ZA22 foams

被引：54

作者：

Yu, Sirong ^{[1
,2
]}

Liu, Jiaan ^{[1
,2
]}

Wei, Ming ^{[1
,2
]}

Luo, Yanru ^{[3
]}

Zhu, Xianyong ^{[3
]}

Liu, Yaohui ^{[1
,2
]}

机构：

[1] Jilin Univ, Minist Educ, Key Lab Automobile Mat, Changchun 130025, Peoples R China

[2] Jilin Univ, Coll Mat Sci & Engn, Changchun 130025, Peoples R China

[3] Jilin Univ, Inst Mech Sci & Engn, Changchun 130025, Peoples R China

来源：

MATERIALS & DESIGN | 2009年 / 30卷 / 01期

关键词：

Foams; Casting; Mechanical; STRAIN-RATE SENSITIVITY; ALUMINUM FOAM; DEFORMATION; BEHAVIOR;

D O I：

10.1016/j.matdes.2008.04.041

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

ZA22 foams with open-cell structure were fabricated by replication process using NaCl preform. These foams have the equivalent cell size to salt particle (840-3900 mu m in size). The compressive property and energy absorption characteristic of ZA22 foams were investigated. ZA22 foams show the deformation characteristics of plastic foams. The relation between the relative plastic collapse stress and relative density can be described with Gibson and Ashby's model. The energy absorption capacity of the foams gradually increases for given relative density from 0.279 to 0.396, whereas, the energy absorption efficiency is independent of the relative density. (C) 2008 Elsevier Ltd. All rights reserved.

引用

页码：87 / 90

页数：4

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