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ATMOSPHERIC CORROSION OF 304AND 316 STAINLESS STEELS 被引量:3

ATMOSPHERIC CORROSION OF 304AND 316 STAINLESS STEELS
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摘要 Atmospheric corrosion of 304 and 316 stainless steels was studied by field exposure test, in which rain water was collected and analyzed by atomic absorption spectroscope (AAS). Emphasis was put on the dissolution of chromium and nickel from the stainless steels by atmospheric corrosion and rain runoff. AAS analyses shows that the amounts of yearly chromium and nickel dissolution were less than 150ng/cm 2 and 50ng/cm 2 respectively for both 304 and 316 stainless steels. XPS analysis reveals the marked Cr enrichment on the 316 stainless steel after one year field exposure. SEM shows the morphology of corrosion pits on the steel surfaces. Atmospheric corrosion of 304 and 316 stainless steels was studied by field exposure test, in which rain water was collected and analyzed by atomic absorption spectroscope (AAS). Emphasis was put on the dissolution of chromium and nickel from the stainless steels by atmospheric corrosion and rain runoff. AAS analyses shows that the amounts of yearly chromium and nickel dissolution were less than 150ng/cm 2 and 50ng/cm 2 respectively for both 304 and 316 stainless steels. XPS analysis reveals the marked Cr enrichment on the 316 stainless steel after one year field exposure. SEM shows the morphology of corrosion pits on the steel surfaces.
出处 《Acta Metallurgica Sinica(English Letters)》 SCIE EI CAS CSCD 1999年第5期958-961,共4页 金属学报(英文版)
关键词 atmospheric corrosion stainless steel Cr and Ni dissolution rain water atmospheric corrosion, stainless steel, Cr and Ni dissolution, rain water
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