Measurement and Analyses of Molten Ni-Co-Al Alloy Density

J Mater Sci Technol ›› 2003, Vol. 19 ›› Issue (05): 388-390.

• Research Articles • Previous Articles Next Articles

Measurement and Analyses of Molten Ni-Co-Al Alloy Density

Feng XIAO, Liang FANG

Department of Materials Science and Engineering, Chongqing Institute of Technology, Chongqing 400050, China

Received:1900-01-01 Revised:1900-01-01 Online:2003-09-28 Published:2009-10-10
Contact: Feng XIAO

Abstract

Abstract: The density of molten Ni-Co-Al alloy was measured using a modified pycnometric method. It has been found that the density of the molten Ni-Co-Al alloy decreases with increasing temperature, Co concentration and the ratio of Co concentration to Ni concentration in the alloy. The coefficient of volume expansion of the molten Ni-Co-Al alloy decreases with increasing Co concentration and the ratio of Co concentration to Ni concentration. The temperature coefficient of density increases with increasing the Co concentration or the ratio of Co concentration to Ni concentration in the alloy. The density of the molten Ni-Co-Al alloy as functions of both temperature and Co concentration was expressed.

Key words: Density, Modified pycnometric method, Ni-Co-Al alloy

Feng XIAO, Liang FANG. Measurement and Analyses of Molten Ni-Co-Al Alloy Density[J]. J Mater Sci Technol, 2003, 19(05): 388-390.

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Measurement and Analyses of Molten Ni-Co-Al Alloy Density

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