不锈钢SS304钝化膜的椭偏研究

IF 1.2 4区材料科学 Q4 ELECTROCHEMISTRY Transactions of The Institute of Metal Finishing Pub Date : 1998-01-01 DOI:10.1080/00202967.1998.11871232

S. Phadnis, M. Totlani, D. Bhattacharya

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引用次数: 7

摘要

对AISI 304不锈钢在冷加工和热处理条件下进行了四种表面处理。表面处理为:暴露于实验室空气中，暴露于20%的hno3中，在h2so4中有溶解氧和无溶解氧阳极氧化。用椭偏法对所得钝化膜进行了表征，并测量了其折射率和厚度。结果表明，除1种膜外，其余膜的折射率均在2.52左右，而溶解氧在h2so4中氧化后的膜折射率为2.46。薄膜的厚度根据表面处理的不同从46到129a不等。热处理似乎对形成的薄膜类型影响不大。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Ellipsometric study of passive films on the stainless steel SS304

Four surface treatments were given to AISI 304 SS in the cold-worked and heat-treated condition. The surface treatments were: exposure to laboratory air, exposure to 20% HNO 3 , anodization in H 2 SO 4 with and without dissolved oxygen. Passive films thus obtained were characterised ellipsometrically and the refractive index and thickness values were measured. It was seen that the refractive index of films obtained in all cases except one was around 2.52, while in the case of the film obtained after anodization in H 2 SO 4 with dissolved oxygen, it was seen to be 2.46. The thickness of films varied from 46 to 129 A depending on the surface treatment. Heat-treatment appeared to have little effect on the type of film formed.

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来源期刊

Transactions of The Institute of Metal Finishing 工程技术-材料科学：膜

CiteScore

3.40

自引率

10.50%

发文量

审稿时长

3 months

期刊介绍： Transactions of the Institute of Metal Finishing provides international peer-reviewed coverage of all aspects of surface finishing and surface engineering, from fundamental research to in-service applications. The coverage is principally concerned with the application of surface engineering and coating technologies to enhance the properties of engineering components and assemblies. These techniques include electroplating and electroless plating and their pre- and post-treatments, thus embracing all cleaning pickling and chemical conversion processes, and also complementary processes such as anodising. Increasingly, other processes are becoming important particularly regarding surface profile, texture, opacity, contact integrity, etc.