Science and Technology of Advanced Functional Composite Laboratory Aerospace Research Institute of Materials and Processing Technology No.1 South Dahongmen Road Beijing 100076 China;
Science and Technology of Advanced Functional Composite Laboratory Aerospace Research Institute of Materials and Processing Technology No.1 South Dahongmen Road Beijing 100076 China;
Science and Technology of Advanced Functional Composite Laboratory Aerospace Research Institute of Materials and Processing Technology No.1 South Dahongmen Road Beijing 100076 China;
Science and Technology of Advanced Functional Composite Laboratory Aerospace Research Institute of Materials and Processing Technology No.1 South Dahongmen Road Beijing 100076 China;
Science and Technology of Advanced Functional Composite Laboratory Aerospace Research Institute of Materials and Processing Technology No.1 South Dahongmen Road Beijing 100076 China;
Y4Al2O9; chemical bonding; elastic constants; thermal conductivity; thermal expansion coefficient(TEC);