Experimental study on stress attenuation in aluminum foam core sandwich panels in high-velocity impact

被引：16
|
作者：
Liang, Xiaolong [1 ]
Luo, Hongjie [1 ,2 ]
Mu, Yongliang [1 ,2 ]
Wu, Linli [1 ,2 ]
Lin, Hao [1 ]
机构：
[1] Northeastern Univ, Sch Met, Shenyang 110819, Peoples R China
[2] Minist Educ Mat Adv Preparat, Engn Technol Res Ctr, Shenyang 110819, Peoples R China
来源：
MATERIALS LETTERS | 2017年 / 203卷
基金：
中国国家自然科学基金;
关键词：
Metallic composites; Porous materials; High-velocity impact; PVDF transducer; Stress attenuation; Damage profile; AIR BLAST; HONEYCOMBS; BEHAVIOR; ARMOR;
D O I：
10.1016/j.matlet.2017.05.036
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The present work examined the dynamic behaviors of sandwich panels with aluminum foam core and steel faceplates at an impact velocity of about 370 m/s. The stress attenuation before and after the foam core during penetration process was measured by means of Polyvinylidene Fluoride transducers. It was found that the stress value was remarkably reduced, and the rise velocity of stress slowed down evidently as foam core was compressed. The profile of the damaged aluminum foam illustrated no obvious localized "X" failure patterns at the velocity tested presently. (C) 2017 Elsevier B.V. All rights reserved.
引用
收藏
页码：100 / 102
页数：3
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