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典型文献
Effects of pellet surface roughness and pre-oxidation temperature on CM AS corrosion behavior of Ti2AlC
文献摘要：
Calcium-magnesium-alumina-silicate(CMAS)corrosion is a serious threat to thermal barrier coatings(TBCs).Ti2AlC has been proven to be a potential protection layer material for TBCs to resist CMAS corrosion.In this study,the effects of the pellet surface roughness and temperature on the microstructure of the pre-oxidation layer and CMAS corrosion behavior of Ti2AlC were investigated.The results revealed that pre-oxidation produced inner Al2O3 layer and outer TiO2 clusters on the pellet surfaces.The content of TiO2 decreased with decreasing pellet surface roughness and increased along with the pre-oxidation temperature.The thickness ofAl2O3 layer is also positively related to the pre-oxidation temperature.The Ti2AlC pellets pre-oxidized at 1050℃could effectively resist CMAS corrosion by promoting the crystallization of anorthite(CaAl2Si2O8)from the CMAS melt rapidly,and the resistance effectiveness increased with the pellet surface roughness.Additionally,the CMAS layer mainly spalled off at the interface of CaAl2Si2O8/Al2O3 layer after thermal cycling tests coupled with CMAS corrosion.The Al2O3 layer grown on the rough interface could combine with the pellets tightly during thermal cycling tests,which was attributed to obstruction of the rough interface to crack propagation.
文献关键词：
中图分类号：
[1] 医药、卫生（R） / 药学（R9） / 药理学（R96） / 实验药理学（R965）
[2] 金属学与金属工艺（TG） / 金属学与热处理（TG1） / 金属材料（TG14） / 铸铁（TG143） / 其他铸铁（TG143.9）
[3] 数理科学和化学（O） / 力学（O3） / 振动理论（O32） / 非线性振动（O322）
作者姓名：
Lei GUO;Guang LI;Jing WU;Xiaohui WANG
作者机构：
School of Materials Science and Engineering,Tianjin University,Tianjin 300072,China;Tianjin Key Laboratory of Advanced Joining Technology,Key Lab of Advanced Ceramics and Machining Technology of Ministry of Education,Tianjin 300072,China;School of Materials Science and Engineering,Shenyang Ligong University,Shenyang 110159,China;Shenyang National Laboratory for Materials Science,Institute of Metal Research,Chinese Academy of Sciences,Shenyang 110016,China
文献出处：
先进陶瓷（英文版）
引用格式：
[1]Lei GUO;Guang LI;Jing WU;Xiaohui WANG-.Effects of pellet surface roughness and pre-oxidation temperature on CM AS corrosion behavior of Ti2AlC)[J].先进陶瓷（英文版）,2022(06):945-960
A类：
ofAl2O3,CaAl2Si2O8,spalled
B类：
Effects,roughness,pre,oxidation,temperature,corrosion,behavior,Ti2AlC,Calcium,magnesium,alumina,silicate,CMAS,serious,threat,thermal,barrier,coatings,TBCs,has,been,proven,potential,protection,layer,material,In,this,study,effects,microstructure,were,investigated,results,revealed,that,produced,inner,outer,TiO2,clusters,surfaces,content,decreased,decreasing,increased,along,thickness,also,positively,related,pellets,oxidized,could,effectively,by,promoting,crystallization,anorthite,from,melt,rapidly,resistance,effectiveness,Additionally,mainly,off,interface,after,cycling,tests,coupled,grown,combine,tightly,during,which,was,attributed,obstruction,crack,propagation
AB值：
0.432307
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