Oxidation control and non-equilibrium phase formation in Cu-Cr alloys during mechanical alloying

J Mater Sci Technol ›› 2001, Vol. 17 ›› Issue (S1): 89-92.

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Oxidation control and non-equilibrium phase formation in Cu-Cr alloys during mechanical alloying

Xiaolong CUI, Lai WANG, Min QI

Department of Materials Engineering, Dalian University of Technology, Dalian 116024, China

Received:2000-07-24 Revised:2000-10-30 Online:2001-10-28 Published:2009-10-10
Contact: Xiaolong CUI

Abstract

Abstract: Using X-ray diffraction (XRD), scanning electron microscopy (SEM), differential scanning calorimeter (DSC) and optical microscopy, phase transformation of Cu-Cr alloys with various compositions during mechanical alloying process has been investigated. Besides the formation of supersaturated solid solution, the results show that a kind of amorphous oxide formed in the process, and the addition of carbon has obviously effect on the suppression of oxidation and the deoxidization of oxide. The reactive milling has a remarkable effect on the behavior of oxidation.

Key words:

Xiaolong CUI, Lai WANG, Min QI. Oxidation control and non-equilibrium phase formation in Cu-Cr alloys during mechanical alloying[J]. J Mater Sci Technol, 2001, 17(S1): 89-92.

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Oxidation control and non-equilibrium phase formation in Cu-Cr alloys during mechanical alloying

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