Correlation of delta-ferrite precipitation with austenite grain growth during annealing of steels

被引：17

作者：

Zhang, X. F. ^{[1
]}

Terasaki, H. ^{[1
]}

Komizo, Y. ^{[1
]}

机构：

[1] Osaka Univ, Joining & Welding Res Inst, Osaka 5670047, Japan

来源：

PHILOSOPHICAL MAGAZINE LETTERS | 2011年 / 91卷 / 07期

关键词：

time-resolved X-ray diffraction; synchrotron radiation; grain growth; Zenner pinning; inclusions; steel;

D O I：

10.1080/09500839.2011.587464

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Grain-boundary migration can be retarded by the presence of particles via the so-called Zenner pinning effect. This originates from the pinning of inclusions or solute drag on the grain boundary. In this study on two steels, delta-ferrite precipitation along an austenite grain-boundary suppressed grain growth at high temperatures. The inhibiting effect is very strong, with the inclusions and solute losing their efficiency for grain-boundary pinning.

引用

页码：491 / 497

页数：7

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