<正> 非晶合金可以避免由于内部结构缺陷(位错、晶界偏聚等)而导致的局部腐蚀的产生已为许多文献所报道。文献〔1—3〕研究了合金元素对铁基非晶合金腐蚀性能的影响,发现在25℃,0.1N硫酸溶液中,非晶合金Fe-13P-7C(at.-％)处于活化溶解状态,当加入较易钝化的合金元素Cr后,可以显著提高其耐蚀性.Masumoto指出,在30℃,0.01—0.1N
Anodic polarization curves of amorphous Fe-Cr-P alloy plating foilswere measured in lN HCl solution at 25℃ with the apparatus of potentialstat. Thespecimens were prepared by electrodeposition. The curves show that these foils whichcontain certain amount of Cr are in the state of natural passivity. As the Cr con-tent increases, the anti-corrosion behavior of the foil will be improved. Comparedwith amorphous Fe-P alloy foil and 18-8 stainless steel, the amorphous Fe-Cr-Palloy foil with 7.30 wt-%Cr shows better corrosion resistances in acid solution.
参考文献
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