The Enhanced Even and Pitting Corrosion Resistances of Bulk Nanocrystalline Steel in HCl Solution

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	The Enhanced Even and Pitting Corrosion Resistances of Bulk Nanocrystalline Steel in HCl Solution
	S. G. Wang; M. Sun; K. Long
	2012
发表期刊	Steel Research International
ISSN	1611-3683
卷号	83 期号:8 页码:800-807
摘要	We studied the corrosion properties of bulk nanocrystalline 304 stainless steel (BN-SS304) produced by severe rolling technique and conventional polycrystalline 304 stainless steel (CP-SS304) with immersion test, X-ray photoelectron spectroscopy, ultra-violet photoelectron spectroscopy, inductively coupled plasma emission spectrometer, and scanning electron microscope. Immersion test was carried out in 0.5?mol?L-1 HCl solution for 30 days immersion interval at room temperature. It is well known that the pitting corrosion of stainless steel could be inevitable in solution containing Cl-. However, BN-SS304 can scarcely suffer from pitting corrosion with the compact oxide film on its corrosion surface and less corrosion rate in comparison with CP-SS304. The less corrosion rate of BN-SS304 was attributed to the stronger O2 adsorption and compact oxide film on its corrosion surface, its less weight of 4s4s valence electrons and its larger work function in comparison with CP-SS304. The improved pitting corrosion resistance of BN-SS304 resulted from the compact oxide film, weaker Cl- adsorption and less Cl- chemical activity on its corrosion surface.
部门归属	[wang, sheng-gang; long, kang] chinese acad sci, shenyang natl lab mat sci, inst met res, int ctr mat phys, shenyang 110016, peoples r china. [sun, miao] shenyang univ technol, sch sci, shenyang 110870, peoples r china.;wang, sg (reprint author), chinese acad sci, shenyang natl lab mat sci, inst met res, int ctr mat phys, 72 wenhua rd, shenyang 110016, peoples r china.;sgwang@imr.ac.cn
关键词	Bulk Nanocrystalline 304 Stainless Steel Pitting Corrosion Valence Electron Configuration Work Function Severe Rolling Technique 304l Stainless-steel Electrochemical Corrosion Ingot Iron Sulfide Inclusions Work Function Behavior 304-stainless-steel Surface Initiation Nitrogen
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文献类型	期刊论文
条目标识符	http://ir.imr.ac.cn/handle/321006/60303
专题	中国科学院金属研究所
推荐引用方式 GB/T 7714	S. G. Wang,M. Sun,K. Long. The Enhanced Even and Pitting Corrosion Resistances of Bulk Nanocrystalline Steel in HCl Solution[J]. Steel Research International,2012,83(8):800-807.
APA	S. G. Wang,M. Sun,&K. Long.(2012).The Enhanced Even and Pitting Corrosion Resistances of Bulk Nanocrystalline Steel in HCl Solution.Steel Research International,83(8),800-807.
MLA	S. G. Wang,et al."The Enhanced Even and Pitting Corrosion Resistances of Bulk Nanocrystalline Steel in HCl Solution".Steel Research International 83.8(2012):800-807.