Current research status and perspectives of regulation of grain boundary structure of face-centered cubic metal materials

被引：0
作者：
Sun Q. [1 ]
Wang Z. [1 ]
Ge L. [1 ]
Zhang Y.-P. [1 ]
Chen J.-S. [2 ]
Feng W. [1 ]
机构：
[1] School of Mechanical Engineering, Jiangsu Ocean University, Lianyungang
[2] Engineering Training Center, Jiangsu Ocean University, Lianyungang
来源：
Zhongguo Youse Jinshu Xuebao/Chinese Journal of Nonferrous Metals | 2022年 / 32卷 / 08期
关键词：
Connectivity of random network; Face-centered cubic metals; Grain boundary character distribution; Grain boundary engineering;
D O I：
10.11817/j.ysxb.1004.0609.2021-42070
中图分类号：
O7 [晶体学];
学科分类号：
0702 ; 070205 ; 0703 ; 080501 ;
摘要：
The intergranular failure behavior is a common phenomenon in metallic polycrystalline materials. It is an effective way to improve the grain boundary-related properties of materials by using grain boundary engineering technology based on annealing twins without changing the chemical composition of materials. In this paper, the morphology and formation theory of typical annealed twins were firstly described, and then five microscopic mechanisms for optimizing the grain boundary character distribution were compared and analyzed. Secondly, the main implementation approaches and key influencing factors of grain boundary engineering were systematically summarized, and the characteristics of different methods for characterizing the connectivity of random boundary networks were also reviewed. Finally, the applications of grain boundary engineering technology in improving the grain boundary-related properties of face-centered cubic metal materials were summarized, while the challenges in the field of grain boundary engineering research were pointed out and future research directions were also expected. © 2022, China Science Publishing & Media Ltd. All right reserved.
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页码：2297 / 2315
页数：18
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