Microstructure Evolution of Tungsten-Based ODS Alloys Reinforced with the γ(Ni, Fe) Phase by a Secondary Ball Milling Method

被引：6

作者：

Chen, C. -L. ^{[1
]}

Zeng, Y. ^{[1
]}

Lee, J. -G. ^{[1
]}

机构：

[1] Natl Dong Hwa Univ, Dept Mat Sci & Engn, Shoufeng 97401, Hualien, Taiwan

来源：

ACTA PHYSICA POLONICA A | 2014年 / 126卷 / 04期

关键词：

D O I：

10.12693/APhysPolA.126.907

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

In the current study, W-5Ni-2Fe-Y2O3 model alloys were produced using a high-energy planetary ball mill. The presence of the gamma(Ni, Fe) phase is favored with respect to material properties in this alloy. Therefore, a secondary ball milling method was introduced to obtain a fine and uniformly distributed gamma(Ni, Fe) phase. Phase development of mechanical alloyed powders was investigated by X-ray diffraction. The results show that the formation of the gamma(Ni, Fe) phase was found after 18 h of a pre-milling procedure. A further secondary milling method produced a uniform microstructure with grain refinement. TEM results also show changes in the lattice parameters of the tungsten and gamma(Ni, Fe) phase associated with the solid solubility limits in the alloy produced by secondary ball milling.

引用

页码：907 / 911

页数：5

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