Transactions of Nonferrous Metals Society of China The Chinese Journal of Nonferrous Metals

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Transactions of Nonferrous Metals Society of China

Vol. 11    No. 3    June 2001

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Deoxidization of CuCr25 alloys prepared
by vacuum induction melting
ZHANG Cheng-yu(张程煜), WANG Jiang(王 江),
ZHANG Hui(张 晖), YANG Zhi-mao(杨志懋), DING Bing-jun(丁秉钧)

School of Material Science and Engineering,
Xi′an Jiaotong University, Xi′an 710049, P.R.China

Abstract:  The influence of crucible and vacuum on oxygen content of CuCr25 prepared by vacuum induction melting (VIM) has been investigated. The experimental results show that the selection of crucible is very important. Alkaline oxide MgO crucible can result in increment of oxygen content and segregation of Cr in the CuCr25 alloys prepared. Neutral oxide Al2O3 crucible has no contribution to oxygen in CuCr25.  The results also indicate that some kinds of deoxidant, such as Al, are further beneficial to deoxidization of the alloys.


Key words:  CuCr25 alloys; crucible; vacuum; deoxidization

ISSN 1004-0609
CN 43-1238/TG

ISSN 1003-6326
CN 43-1239/TG

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