化学蚀刻304不锈钢表面结构研究

发布时间：2018-03-15 23:04

  本文选题：不锈钢　切入点：化学蚀刻　出处：《表面技术》2015年01期 　论文类型：期刊论文

【摘要】：目的研究化学蚀刻304不锈钢表面结构类型、形成过程及其应用。方法以304不锈钢为对象,以FeCl3系溶液为蚀刻剂,采用化学蚀刻的工艺,通过表面分析和SEM等手段,研究化学蚀刻的过程以及表面结构的类型。结果在40℃常压下,250 g/L FeCl3中使304不锈钢表面光滑的盐酸用量(y)与硝酸用量(x)满足一定的关系:y=19.37+0.13x±0.5,x≤120 m L/L;y=-8.67+0.62x±0.5,x≥130 ml/L。溶液中Cl-含量是影响蚀刻后不锈钢表面的平整度的主要因素。结论改变蚀刻溶液性质可以改变蚀刻后304不锈钢表面形成的结构。
[Abstract]:Objective to study the surface structure type, formation process and application of chemical etching 304 stainless steel. Methods taking 304 stainless steel as object, FeCl3 system solution as etchant, chemical etching process, surface analysis and SEM, etc. The process of chemical etching and the type of surface structure were studied. Results the relationship between the amount of hydrochloric acid on the smooth surface of 304 stainless steel and the amount of nitric acid in 250g / L FeCl3 at 40 鈩，

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