On the Incompatibility of Steady-State Assumption and Abnormal Grain Growth in the Presence of Homogenous Pinning

被引：2

作者：

Chen, Yanchi ^{[1
]}

Chen, Yidan ^{[1
]}

Dan, Chengyi ^{[1
]}

Chen, Han ^{[1
]}

Li, Xianfeng ^{[1
]}

Chen, Zhe ^{[1
]}

Wang, Haowei ^{[1
]}

机构：

[1] Shanghai Jiao Tong Univ, State Key Lab Met Matrix Composites, Shanghai 200240, Peoples R China

来源：

METALLURGICAL AND MATERIALS TRANSACTIONS A-PHYSICAL METALLURGY AND MATERIALS SCIENCE | 2024年 / 55卷 / 01期

关键词：

BOUNDARY COMPLEXION TRANSITIONS; COMPUTER-SIMULATION; ELECTRICAL STEEL; RECRYSTALLIZATION; TEMPERATURE; STAGNATION; SECONDARY; KINETICS;

D O I：

10.1007/s11661-023-07227-1

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Possibility of abnormal grain growth (AGG) is vital when tuning grain structure of polycrystalline materials. The growth stability of a particle-pinned polycrystalline aggregation is discussed. It is mathematically proved that in such aggregation, Hillert's steady-state normal grain growth assumption is stable against arbitrary perturbation; hence, AGG is impossible as long as pinning is uniform. This conclusion is independent of the detailed pinning mechanism, evolution of pinning strength, or the dimension of the system.

引用

页码：20 / 25

页数：6

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