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| A STUDY ON THE SURFACE OF SULPHURIC ACID DEWPOINT CORROSION RESISTENT STEEL |
| Zhang Yuan; Ji Yuan; Zhu Fengwu; Liang Chengguang; Xiao Jimei(University of Science and Technology Beijing) |
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Abstract S-TEN steel surface was investigated by auger electron spectroscopy (AES) and scanning electronmicroscopy (SEM). Elements S and Sb have segregated on the surface of the hot rolled S-TEN steel, andtheir contents are 4.24 at% and 0.50 at% respectively. The surface segregation of the elements S, Sb andCu has also been found after immersion of the sample in sulphuric acid. The segregation layer of sulphur isthicker than that of copper.The enrichment of Cu, S and Sb in surface layer is beneficial for the resistanceof the S-TEN steel to sulphuric acid dewpoint corrosion.
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Received: 25 April 1995
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| 1MelfordDA．JISI,1966,204:4782肖纪美．下锈钢的金属学问题,北京:冶金工业出版社,p．1933赵天从,锑,北京:冶金工业出版社,1987,p10 |
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