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
收藏
页码：6132 / 6135
页数：4
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