Effect of oxygen on microstructure and mechanical properties of niobium

被引：27
作者：
Sankar, M. [1 ]
Baligidad, R. G. [1 ]
Gokhale, A. A. [1 ]
机构：
[1] Def Met Res Lab, Hyderabad 500058, Andhra Pradesh, India
来源：
MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING | 2013年 / 569卷
关键词：
Niobium; Oxygen; Diffusion techniques; Microstructure; Mechanical properties; SOLID SOLUTIONS; STRENGTH; YIELD;
D O I：
10.1016/j.msea.2013.01.025
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
The effect of oxygen on microstructure and mechanical properties of niobium has been investigated. Niobium samples containing 50-800 wt. ppm oxygen have been prepared by absorption and diffusion techniques. The samples were characterised with respect to chemical composition, microstructure and mechanical properties. Niobium containing up to 800 wt. ppm of oxygen exhibited essentially single phase microstructure with no precipitates. The hardness and strength increase with increase in oxygen content. The increase in strength is marginal up to 400 wt .ppm oxygen and significant from 400 to 800 wt .ppm oxygen. (C) 2013 Elsevier B.V. All rights reserved.
引用
收藏
页码：132 / 136
页数：5
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