Formation Mechanism of Stray Grain of Nickel-Based Single-Crystal Superalloy Under a High Magnetic Field During Directional Solidification

被引：5

作者：

Xuan, Weidong ^{[1
,2
,3
]}

Zhang, Huaiwei ^{[4
]}

Shao, Wei ^{[1
,2
,3
]}

Ren, Zhongming ^{[1
,2
,3
]}

机构：

[1] Shanghai Univ, State Key Lab Adv Special Steel, Shanghai 200072, Peoples R China

[2] Shanghai Univ, Shanghai Key Lab Adv Ferrometallurgy, Shanghai 200072, Peoples R China

[3] Shanghai Univ, Sch Mat Sci & Engn, Shanghai 200072, Peoples R China

[4] Hangzhou Dianzi Univ, Coll Mat & Environm Engn, Hangzhou 310018, Zhejiang, Peoples R China

来源：

METALLURGICAL AND MATERIALS TRANSACTIONS B-PROCESS METALLURGY AND MATERIALS PROCESSING SCIENCE | 2019年 / 50卷 / 01期

基金：

中国国家自然科学基金;

关键词：

NI-BASED SUPERALLOY; MORPHOLOGICAL INSTABILITY; FRECKLE FORMATION; MUSHY ZONE; DENDRITE; INTERFACE; CONVECTION; GROWTH; ALLOY; MICROSTRUCTURES;

D O I：

10.1007/s11663-018-1458-6

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

We investigate the formation mechanism of stray grain of nickel-based single-crystal superalloy under a high magnetic field. It was shown that the high magnetic field induced the formation of stray grains on the side that the dendrite diverges the wall. In addition, results showed a sloping solid/liquid interface and a further increased sloping magnitude under a high magnetic field. Further, the formation process of stray grain in the high magnetic field is analyzed in detail.

引用

页码：27 / 31

页数：5

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