Grain refining efficiency and mechanism of pure nickel

被引：5

作者：

Xia, Tian-Dong ^{[1
]}

Chen, Xi ^{[1
]}

Li, Qing-Lin ^{[1
]}

Zhao, Wen-Jun ^{[1
]}

机构：

[1] Lanzhou Univ Technol, Sch Mat Sci & Engn, Lanzhou 730050, Peoples R China

来源：

RARE METALS | 2015年 / 34卷 / 09期

基金：

中国国家自然科学基金;

关键词：

Planar disregistries; CeO2; TiB2; Pure nickel; Grain size; NUCLEATION BEHAVIOR; TIAL ALLOYS; MICROSTRUCTURE; PARTICLES; COMPOSITE; IRON;

D O I：

10.1007/s12598-013-0125-y

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

According to the selection principle of grain refiners and calculation of planar disregistries, CeO2 and TiB2 particles were selected as the grain refiners of pure nickel. The change of grain size and refining effects of different refiners under the same melting conditions were investigated. The results show that the grain size of pure nickel gradually reduces with increasing the amount of grain refiners. And with increasing the amount of CeO2 up to 0.7 wt%, the grain size of pure nickel decreases from 323.0 to 53.5 mu m. In addition, when the amount of TiB2 is 0.7 wt%, the grain size is reduced to 41.3 mu m.

引用

页码：662 / 666

页数：5

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