INFLUENCE OF PHASE COMPOSITION ON PITTING CORROSION RESISTANCE OF SPUTTERED COATING OF 1Cr18Ni9Ti STAINLESS STEEL

Acta Metallurgica Sinica (English Letters) ›› 1990, Vol. 3 ›› Issue (8): 77-80.

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INFLUENCE OF PHASE COMPOSITION ON PITTING CORROSION RESISTANCE OF SPUTTERED COATING OF 1Cr18Ni9Ti STAINLESS STEEL

Received:1990-08-11 Revised:1990-08-11 Online:1990-08-11 Published:2009-10-10

Abstract

Abstract: A series of single bcc,bcc plus fcc duplex and single fcc microcrystalline coatings of 1Cr18Ni9Ti stainless steel were prepared by using sputtering technique.The resistance against pitting corrosion was studied by measurements of pitting corrosion potentials and electrochemical noise during initiation of corrosion pits.The results show that the sputtered coatings with single bcc phase or single fcc structure are more resistant to pitting corrosion than those with bcc plus fcc duplex phase structure.

Key words: 1Cr18Ni9Ti stainless steel, phase composition, microcrystalline coating, pitting corrosion

LIU Dacheng WANG Fuhui CAO Chunan LOU Hanyi Institute of Corrosion and Protection of Metals,Academia Sinica,Shenyang,China Wang Fuhui,Laboratory of Electrochemistry,Institute of Corrosion and Protection of Metals,Academia Sinica,Shenyang 110015,China. INFLUENCE OF PHASE COMPOSITION ON PITTING CORROSION RESISTANCE OF SPUTTERED COATING OF 1Cr18Ni9Ti STAINLESS STEEL[J]. Acta Metallurgica Sinica (English Letters), 1990, 3(8): 77-80.

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INFLUENCE OF PHASE COMPOSITION ON PITTING CORROSION RESISTANCE OF SPUTTERED COATING OF 1Cr18Ni9Ti STAINLESS STEEL

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