Dispersion, Interface Structure and Mechanical Properties of Titanium Based Graphene Composites

被引：0
|
作者：
She H. [1 ]
Shi L. [1 ]
Dong A. [2 ,3 ]
机构：
[1] School of Mechanical Engineering, Shanghai Institute of Technology, Shanghai
[2] School of Materials Science and Engineering, Shanghai Jiao Tong University, Shanghai
[3] Shanghai Key Laboratory of Advanced High-Temperature Materials and Precision Forming, Shanghai
来源：
Cailiao Daobao/Materials Reports | 2024年 / 38卷 / 05期
关键词：
dispersion; graphene; interface; strength; strengthening mechanism; titanium matrix composite;
D O I：
10.11896/cldb.23030202
中图分类号：
学科分类号：
摘要：
Graphene is considered to be an ideal reinforcement for metal matrix composites due to its unique structure and excellent mechanical, electrical and lubricating properties. However, the dispersion of graphene and its reaction with titanium matrix are the difficulties in obtaining high-performance graphene reinforced titanium matrix composites. This paper reviews the research progress of dispersion, interface and mechanical properties of titanium-based graphene composites. Titanium-based graphene composites are usually prepared by powder metallurgy. Graphene can be uniformly dispersed in the composite structure, but agglomeration still occurs when too much graphene is added. Graphene and titanium matrix are prone to react to form TiC. The interface reaction can be effectively inhibited and the interface bonding force can be improved by improving the curing sintering process, matrix compounding, graphene surface modification and in-situ self-generation. With the increase of graphene content, the compressive, tensile strength and hardness of titanium-based graphene composites generally increase first and then decrease. The strengthening mechanism of graphene reinforced titanium matrix composites is usually dominated by load transfer strengthening, but in some cases, dislocation strengthening, fine grain strengthening and Orowan strengthening caused by graphene are also significant. © 2024 Cailiao Daobaoshe/ Materials Review. All rights reserved.
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