New Insight into Predicting the Compression Flow Behavior of Metal Foam

被引：3

作者：

Mu, Yongliang ^{[1
]}

Ge, Qiqi ^{[1
]}

Zu, Guoyin ^{[2
]}

He, Yongdong ^{[3
]}

机构：

[1] Northeastern Univ, Sch Met, Shenyang 110819, Liaoning, Peoples R China

[2] Northeastern Univ, Sch Mat Sci & Engn, Shenyang 110819, Liaoning, Peoples R China

[3] Xinjiang Univ, Sch Phys Sci & Technol, Urumqi 830046, Peoples R China

来源：

METALLURGICAL AND MATERIALS TRANSACTIONS A-PHYSICAL METALLURGY AND MATERIALS SCIENCE | 2020年 / 51卷 / 12期

基金：

中国国家自然科学基金;

关键词：

ALUMINUM FOAMS; CELL; DEFORMATION; COLLAPSE; MECHANISMS;

D O I：

10.1007/s11661-020-06018-2

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

A novel constitutive model for predicting the compression behaviors of closed-cell Al foam was proposed. In contrast to existing models, it gives a nonlinear stress-strain response, which is in accordance with the hardening behaviors of foam. The new constitutive relation is derived based on the mean-field approximation and isothermal reversible compression approximation of ideal gas. Except for the overestimated densification behavior, good agreement is observed between the stress-strain curves and the predictions of the model.

引用

页码：6132 / 6135

页数：4

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