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复合连接层等离子喷涂热障涂层的静态氧化性能研究 被引量:1
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作者 张继红 《鸡西大学学报(综合版)》 2002年第2期48-50,共3页
采用等离子喷涂(PS)方法,在GH536高温合金基材上制备了传统的双层热障涂层(TBCs)和添加Al_2O_3复合连接层热障涂层。传统TBCs结构为Ni22Cr10AlY合金连接层和8wt.%Y_2O_3部分稳定的ZrO_2(8YSZ)陶瓷顶层;双层连接层为Ni22Cr10AlY及Ni22Cr... 采用等离子喷涂(PS)方法,在GH536高温合金基材上制备了传统的双层热障涂层(TBCs)和添加Al_2O_3复合连接层热障涂层。传统TBCs结构为Ni22Cr10AlY合金连接层和8wt.%Y_2O_3部分稳定的ZrO_2(8YSZ)陶瓷顶层;双层连接层为Ni22Cr10AlY及Ni22Cr10AlY+Al_2O_3复合层。试样的100小时、1050℃及1050静态氧化试验结果表明:采用复合连接层的TBCs氧化阻力提高;1050℃时复合连接层的阻氧能力降低。 展开更多
关键词 等离子喷涂 热障涂 静态氧化试验 复合连接层 GH536高温合金 结构
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Diffusional bonds in laminated composites produced by ECAP 被引量:1
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作者 I.ANSARIAN M.H.SHAERI 《Transactions of Nonferrous Metals Society of China》 SCIE EI CAS CSCD 2017年第9期1928-1938,共11页
The microstructure,diffusional and mechanical bonding behavior and microhardness distribution of laminated composites fabricated by ECAP process were investigated.Al?Cu and Cu?Ni laminated composites were produced by ... The microstructure,diffusional and mechanical bonding behavior and microhardness distribution of laminated composites fabricated by ECAP process were investigated.Al?Cu and Cu?Ni laminated composites were produced by ECAP process up to4passes at room temperature and high temperature(300°C).The results of microstructure characterization by SEM and shear strength test revealed that the joints between the layers of4-pass ECAPed samples were considerably stronger than those of1-pass ECAPed samples due to tolerating higher values of plastic deformations during ECAP.Furthermore,shear strength data showed that increasing ECAP temperature caused a notable increase in shear strength of the specimens.The reason lies in the formation of diffusional joint between the interface of both Al/Cu and Cu/Ni layers at high temperature.The shear bonding strength of ECAPed Cu/Ni/Cu composite at high temperature was remarkably higher than that of ECAPed Cu/Al/Cu composite. 展开更多
关键词 equal channel angular pressing shear strength laminated composites diffusional joint
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