Dynamic Responses and Failure of Short Glass-Fiber Reinforced Syntactic Foams

被引：10

作者：

Liang, Minzu ^{[1
]}

Lu, Fangyun ^{[1
]}

Li, Xiangyu ^{[1
]}

机构：

[1] Natl Univ Def Technol, Coll Sci, Changsha 410073, Hunan, Peoples R China

来源：

INTERNATIONAL JOURNAL OF APPLIED MECHANICS | 2017年 / 9卷 / 01期

基金：

中国国家自然科学基金;

关键词：

Syntactic foam; failure; volume fraction; strain rate; STRAIN-RATE; COMPRESSIVE PROPERTIES; MECHANICAL-PROPERTIES; FLEXURAL PROPERTIES; BEHAVIOR; MICROSPHERES; COMPOSITES; RATES; IRON;

D O I：

10.1142/S1758825117500028

中图分类号：

O3 [力学];

学科分类号：

08 ; 0801 ;

摘要：

The quasi-static and dynamic compression responses and failure of fiber-reinforced syntactic foams were investigated. The role of fiber volume fraction on the compression response of syntactic foams was examined in terms of mechanical behavior and energy absorption under both quasi-static and dynamic conditions. Results showed that the mechanical behavior and energy absorption of the reinforced specimens increased with increasing fiber volume fraction. The syntactic foams exhibited distinct strain rate sensitivity; and their yield strength and elastic modulus increased by 41.1% and 85.1%, respectively, as strain rate increased from 0.0011 s(-1) to 1070 s(-1). The deformation and failure processes of the syntactic foams were also examined, and the underlying mechanisms were discussed.

引用

页数：17

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