钛铝基合金渗硅层结构及抗高温氧化性能初探Investigation on Microstructures and Oxidation Resistance of Siliconized Coatings of Ti-48Al Alloy
梁伟,石巨岩,马晓霞,赵兴国,边丽萍
摘要(Abstract):
研究了钛铝基合金固体渗硅后的渗层结构、抗高温循环氧化性能。结果表明 :钛铝基合金固体渗硅后表层形成主要由Ti5Si3 、Al2 O3 和Al3 Ti、TiSi2 、Si构成的复合渗层 ,该复合渗硅层有效阻止了高温氧化过程的进行 ,显著提高了钛铝基合金的抗高温循环氧化能力
关键词(KeyWords): 钛铝基合金;金属间化合物;化学热处理;氧化;渗层
基金项目(Foundation): 国家自然科学基金资助 (50 1710 4 6 );; 山西省自然科学基金资助( 2 0 0 2 10 51)
作者(Author): 梁伟,石巨岩,马晓霞,赵兴国,边丽萍
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