The formation of Mo precipitates in a supersaturated Mo5SiB2 intermetallic phase

被引：45

作者：

Sakidja, R

Sieber, H

Perepezko, JH

机构：

[1] Univ Wisconsin, Dept Mat Sci & Engn, Madison, WI 53706 USA

[2] Dept Mat Sci III Glass & Ceram, D-91058 Erlangen, Germany

来源：

PHILOSOPHICAL MAGAZINE LETTERS | 1999年 / 79卷 / 06期

关键词：

D O I：

10.1080/095008399177192

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Upon annealing a Mo70B20Si10 alloy in the as-cast condition at 1600 degrees C, plate-shaped precipitates of a Mo solid solution (Mo-ss) have been observed to develop within an ordered Mo5SiB2 (T-2) intermetallic phase (D8(l)). The crystallographic orientation of Mo-ss plate-like precipitates within the T-2 matrix has been determined by transmission electron microscopy-selected area electron diffraction studies to show mainly the relations {111}(Mo)parallel to(001)(T2) and [011](Moss)parallel to[110](T2). Upon a prolonged annealing treatment at 1600 degrees C for 150 h, the plate-like morphology was still maintained and the Mo-ss-T2 long interface remained semicoherent as confirmed by high-resolution transmission electron microscopy analysis.

引用

页码：351 / 357

页数：7

共 15 条

[11] IN-SITU REFRACTORY INTERMETALLIC-BASED COMPOSITES [J].