Local Enrichment of Active Element Y in Y-modified PVD Films on Mild Steel Substrate

Abstract

Abstract: By means of EPMA,SIMS and XTEM tech- niques,the element distribution at the transition zone of Y-modified ion plated titanium and titanium nitride film on A3 steel substrate and the variation of the element content on the surface of the evaporation source before and after service were studied in detail.A mode was proposed in terms of preferential evaporation and micro-tunnel trans- portation of Y at the interface of film/substrate.

Key words: Y-enrichment, interface, PVD film, preferential evaporation

LIU Changqing WU Weitao JIN Zhujing DAI Shaoxia WANG Wenhao Corrosion Science Laboratory,Institute of Corrosion and Protection of Metals,Academia Sinica,Shenyang,110015,ChinaInstitute of Metal Research,Academia Sinica,Shenyang,110015,ChinaTo whom correspo. Local Enrichment of Active Element Y in Y-modified PVD Films on Mild Steel Substrate[J]. J Mater Sci Technol, 1992, 8(3): 204-208.

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Local Enrichment of Active Element Y in Y-modified PVD Films on Mild Steel Substrate

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