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
收藏
页码：27 / 31
页数：5
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