Ultra-high annealing stability via the synergistic homogenization mechanism of Cu-P clusters in Fe-P-based nanocrystalline alloy

文献类型： 外文期刊

第一作者： Xi, Guo-Guo

作者： Xi, Guo-Guo;Sun, Cheng;Han, Min-Hao;Cui, Jia-Li;Zhang, Tao;Xi, Guo-Guo;Xi, Guo-Guo;Li, Hai-Guang;Zhang, Tao

作者机构：

关键词： Fe-based nanocrystalline alloys; Soft magnetic property; In-situ nano-crystallization; Micro-alloying; annealing

期刊名称：JOURNAL OF NON-CRYSTALLINE SOLIDS （ 影响因子：3.5； 五年影响因子：3.4 ）

ISSN： 0022-3093

年卷期： 2024 年 633 卷

页码：

收录情况： SCI

摘要： Herein, a novel Fe -P -C -B -Cu nanocrystalline alloy with 0.6 at.% Cu is reported, which has extremely high thermal stability and excellent soft magnetic properties. We exploited the tendency of P element to bond with metal elements and observed that Cu enhances its distribution uniformity in the matrix by spontaneously forming Cu -P clusters. Notably, P can disperse immiscible elements during annealing process, meaning that the decomposition of Cu -P clusters precipitated nano fcc -Cu phase. This, in turn, facilitates the heterogeneous nucleation of alpha-Fe and further improve the grain refinement of alpha-Fe. Additionally, the residual P-rich clusters significantly hinder the coarsening of alpha-Fe grains, leading to the formation of stable, uniform and fine crystal microstructure. This work will provide new insights into the design, manufacture and commercialization of Fe-based soft magnetic materials with wide annealing temperature windows and ultra -high thermal stability.

分类号：

  • 相关文献
作者其他论文 更多>>

微信小程序