高温蒸汽环境下K444和K452合金及涂层的氧化行为
张超1,2, 何闯3, 夏凯1, 郭亭山3, 梁志远3(
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Oxidation Behavior of K444 and K452 Alloys with and Without Thermal Barrier Coatings in High- temperature Steam Environment
ZHANG Chao1,2, HE Chuang3, XIA Kai1, GUO Tingshan3, LIANG Zhiyuan3()
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图7. 涂覆CoCrAlY涂层的K452合金样品在氧化100、200和300 h后表面SEM形貌。
Fig.7. SEM surface morphologies of K452 alloy with coatings after oxidation for 100 h (a), 200 h (b) and 300 h (c, d)
