Effect of Alterative and Homogenization on the Microstructure of Cu-20Ni-5Sn Alloy-Reference-Cited by-同舟云学术

Effect of Alterative and Homogenization on the Microstructure of Cu-20Ni-5Sn Alloy

Published:2013-03 Issue: Volume:749 Page:421-424
ISSN:1662-9752
Container-title:Materials Science Forum
language:
Short-container-title:MSF

Author:

Cai Wei¹,Yang Sheng Li¹,Chen Liang²,Lu Meng Meng¹,Liao Yu Min¹

Affiliation:

1. Jiangxi University of Science and Technology

2. Guangxi Investment Group Yinhai Aluminum Co., Ltd.

Abstract

The serious dendritic segregation occurs in Cu-20Ni-5Sn alloy. The microstructure of Cu-20Ni-5Sn alloy as-cast is composed of white light dendrite (Cu-Ni solid solution), Sn-rich solid solution (Cu2Ni3Sn3 phase) and block light precipitation (Ni17Sn3 phase). The microstructure of Cu-20Ni-5Sn alloy affected by alterative and homogenization temperature was studied. The results show that the alterative can refine the microstructures of the Cu-20Ni-5Sn alloy and reduce the segregation of Sn. The grains are quite fine with 0.9%Wt alterative in the alloy. The homogenization temperature of the Cu-20Ni-5Sn alloy decreases with increase of alterative content in the alloy. Grains enlarged with the increase of homogenization temperature, and the secondary phase distributes became more evenly. The optimization condition of homogenization treatment is at 800 in 24h.

Publisher

Trans Tech Publications, Ltd.

Subject

Mechanical Engineering,Mechanics of Materials,Condensed Matter Physics,General Materials Science

Link

https://www.scientific.net/MSF.749.421.pdf

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