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OALib Journal期刊
ISSN: 2333-9721
费用：99美元
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离子注入Ce对Fe-23Cr-5Al合金上AI2O3膜生长应力的影响
, PP. 975-980
Keywords: 生长应力,高温氧化,离子注入,合金钢
Abstract:
利用双面氧化弯曲方法原位测量了Ｆｅ－２３Ｃｒ－５Ａｌ合金空气中氧化形成的ＡＩ２Ｏ３膜平均生长应力.ＡＩ２Ｏ３膜内存在压应力.９００℃下氧化２０ｈ,膜内应力从３．５降低到２ＧＰａ,１０００℃下氧化１０ｈ,膜内应力从０．８降低到０．４ＧＰａ,合金表面离子注入１×１０＾１７Ｃｅ＾＋／ｃｍ＾２,增大了ＡＩ２Ｏ３膜的生长应力,其原因是添加稀土促进膜的横向生长,离子注入Ｃｅ同时增大了合金的氧化速率.
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