Graphene nanoplatelets induced laminated heterogeneous structural titanium matrix composites with superior mechanical properties

被引：8
|
作者：
Liu, Liang [1 ]
Zhang, Hongmei [1 ]
Cheng, Xingwang [1 ]
Mu, Xiaonan [1 ,2 ]
Fan, Qunbo [1 ]
机构：
[1] Beijing Inst Technol, Sch Mat Sci & Engn, Natl Key Lab Sci & Technol Mat Shock & Impact, Beijing 100081, Peoples R China
[2] Beijing Inst Technol, Tangshan Res Inst, Tangshan 063000, Peoples R China
来源：
CERAMICS INTERNATIONAL | 2022年 / 48卷 / 24期
关键词：
Flake powder metallurgy; Heterogeneous structure; Mechanical properties; Graphene nanoplatelets; NANOCOMPOSITES;
D O I：
10.1016/j.ceramint.2022.08.335
中图分类号：
TQ174 [陶瓷工业]; TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
In this study, a novel laminated heterogeneous structural titanium matrix composites (TMCs) were fabricated by the incorporation of graphene nanoplatelets (GNPs) via the flake powder metallurgy route. The heterogeneous deformation between soft and hard regions produced significant back stress hardening. Results showed that dramatically higher ultimate tensile strength of 858 MPa could be achieved in 0.1wt% GNPs/Ti(R1) composite, which exhibited the enhanced strength (+166 MPa compared with that of pure Ti(R1)) while maintained a good ductility of 18%.
引用
收藏
页码：37470 / 37475
页数：6
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