Influence of Interface on Mechanical Behavior of Al-B4C/Al Laminated Composites under Quasi-Static and Impact Loading

Runwei Zhang; Zhenlong Chao; Longtao Jiang; Huimin Han; Bingzhuo Han; Shanqi Du; Tian Luo; Guoqin Chen; Yong Mei; Gaohui Wu

doi:10.3390/ma16216847

,

and

¹

School of Materials Science and Engineering, Harbin Institute of Technology, Harbin 150001, China

²

Institute of Defense Engineering, Academy of Military Science of the Chinese People’s Liberation Army, Beijing 100036, China

^*

Authors to whom correspondence should be addressed.

^†

These authors contributed equally to this work.

Materials2023, 16(21), 6847;https://doi.org/10.3390/ma16216847

This article belongs to the Special Issue Research on Enhancing Properties of Aluminum-Based Materials

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Abstract

In this study, Al-B₄C/Al laminated composites with high interlayer bonding strength were fabricated by integrated hot-pressed sintering accompanied with hot rolling. The mechanical properties and interface behavior of the Al-B₄C/Al laminated composites were investigated under quasi-static and impact loading. The results show that the Al-B₄C/Al laminated composites obtain a high interface bonding strength, because no interlayer delamination occurs even after fractures under quasi-static and impact loads. The Al-B₄C/Al laminated composites exhibit a better comprehensive mechanical performance, and the fracture can be delayed due to the high bonding strength interface. Moreover, laminated composites can absorb more impact energy than the monolithic material under impact loading due to the stress transition and relaxation.

Keywords:

Al-B₄C/Al laminated composites; hot pressing; rolling; interface bonding; coordinate deformation

Influence of Interface on Mechanical Behavior of Al-B₄C/Al Laminated Composites under Quasi-Static and Impact Loading

Abstract

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