作者
GVS Murthy, Sabita Ghosh, Mousumi Das, Goutam Das, RN Ghosh
发表日期
2008/8/15
期刊
Materials Science and Engineering: A
卷号
488
期号
1-2
页码范围
398-405
出版商
Elsevier
简介
Microstructure of a crystalline material is a key factor in its technological applications as it determines a wide variety of properties including mechanical strength, toughness, corrosion resistance and hardness. Precipitation takes place during processing and on prolonged exposure to service at elevated temperatures. Consequently, knowledge about the precipitation phases and their influence on the various properties is of fundamental interest not only for its intrinsic study, but also for its technological significance. The purpose of the present study is to explore the possibility of using ultrasonic velocity measurements and ball indentation technique (BIT) for investigating and correlating them for a complete characterization of the precipitation behavior in a nickel-based super alloy Nimonic 263. The present investigation reveals that both these techniques can be used for monitoring the strengthening process as a result …
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