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	A comparison of the electrochemical behaviors of pyrite and chalcopyrite in a NaCl solution at room temperature and under differential stress
	Qingyou Liu; Heping Li
	2010
发表期刊	Minerals Engineering
卷号	23期号:9页码:691-697
摘要	Electrochemical behaviors of pyrite and chalcopyrite were studied by measuring polarization curves and electrochemical impedance spectroscopy (EIS) in a NaCl solution at room temperature and under differential stress. The results from differential stress experiments show that there is a negative linear relation between potential difference and elastic stress. The corrosion current density distinctly increased, and the corrosion potential became more negative with an increase in differential stress. The charge transfer electrical resistance increased, the double layer capacitance decreased, and other characteristic parameters are observed with increasing differential stress. The experimental results are significant for sulfide mineral engineering. By using different equivalent electrical circuits, the point defect model, and corrosion theory, we explain the experimental results theoretically.
学科领域	地球深部物质与流体作用地球化学
收录类别	SCI
语种	英语
文献类型	期刊论文
条目标识符	http://ir.gyig.ac.cn/handle/352002/6822
专题	地球内部物质高温高压实验室_地球内部物质高温高压实验室_期刊论文
推荐引用方式 GB/T 7714	Qingyou Liu,Heping Li. A comparison of the electrochemical behaviors of pyrite and chalcopyrite in a NaCl solution at room temperature and under differential stress[J]. Minerals Engineering,2010,23(9):691-697.
APA	Qingyou Liu,&Heping Li.(2010).A comparison of the electrochemical behaviors of pyrite and chalcopyrite in a NaCl solution at room temperature and under differential stress.Minerals Engineering,23(9),691-697.
MLA	Qingyou Liu,et al."A comparison of the electrochemical behaviors of pyrite and chalcopyrite in a NaCl solution at room temperature and under differential stress".Minerals Engineering 23.9(2010):691-697.

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