Effect of hot working on microstructure evolution of as-cast Nickel Aluminum Bronze alloy

被引：90

作者：

Anantapong, J. ^{[1
]}

Uthaisangsuk, V. ^{[2
]}

Suranuntchai, S. ^{[1
]}

Manonukul, A. ^{[3
]}

机构：

[1] King Mongkuts Univ Technol Thonburi, Dept Tool & Mat Engn, Bangkok 10140, Thailand

[2] King Mongkuts Univ Technol Thonburi, Dept Mech Engn, Bangkok 10140, Thailand

[3] Natl Met & Mat Technol Ctr, Klongluang 12120, Pathumtani, Thailand

来源：

MATERIALS & DESIGN | 2014年 / 60卷

关键词：

MECHANICAL-PROPERTIES; CORROSION; SEAWATER; BEHAVIOR;

D O I：

10.1016/j.matdes.2014.03.033

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

In this work, influences of temperature and hot working on microstructure evolution of a Nickel Aluminum Bronze alloy (NAB) were studied. First, as-cast NAB alloy was annealed and subsequently cooled in air for obtaining homogeneous structure. Microstructure and mechanical properties of NAB specimens before and after annealing were characterized by tensile test, hardness test, optical microscopy and scanning electron microscopy. Then, annealed NAB samples were heat treated at different temperatures between 750 degrees C and 1000 degrees C and rapidly cooled down to room temperature. The results showed that amounts and types of emerged microstructures and corresponding hardness strongly depended on the applied temperatures. Additionally, hot compression tests during the temperature range of 800 degrees C and 950 degrees C were performed for the annealed NAB alloy. After forming, specimens were cooled down with two different cooling rates of 40 degrees C/s and 100 degrees C/s. Developed microstructure and resulting hardness of the deformed NAB alloy were discussed regarding to the heat treating conditions. (C) 2014 Elsevier Ltd. All rights reserved.

引用

页码：233 / 243

页数：11

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