Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/8920
Title: Isothermal oxidation behavior of Cu-38at.%Zn alloy at high temperature
Authors: Xu, CH
Liu, YL
Shi, SQ 
Keywords: Activation energy
Cu-Zn alloy
Oxidation
X-ray diffraction
Issue Date: 2011
Publisher: Walter De Gruyter & Co
Source: High Temperature Materials and Processes, 2011, v. 30, no. 3, p. 267-272 How to cite?
Journal: High Temperature Materials and Processes 
Abstract: The isothermal oxidation behavior of Cu- 38at.%Zn alloy over the temperature range of 773-1123 K was studied. Characterization of the oxidized specimens was conducted using X-ray diffraction (XRD) and scanning electron microscope (SEM). The results show that the oxidation kinetics of Cu-38at.%Zn alloy obeys parabolic law. The activation energy during oxidation of the alloy is calculated to be 176 kJ mol -1, based on the parabolic growth constant analyses. An external ZnO oxide scale, internal ZnO oxide and a Zn depletion zone on substrate formed after alloy oxidation are discussed. The scale spallation from the substrate is analyzed, based on the growth stresses and thermal stresses induced during oxidation.
URI: http://hdl.handle.net/10397/8920
DOI: 10.1515/HTMP.2011.042
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