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3. K444、K452合金和涂层材料分别氧化100、200 和300 h后的XRD谱
Fig.3. XRD patterns of alloys without and with coatings after steam oxidation for 100, 200 and 300 h: (a) K444 alloy, (b) K452 alloy, (c) PtAl + YSZ coating, (d) CoCrAlY + YSZ coating
