School of Materials Science and Engineering Tianjin University Tianjin 300072 ChinaTianjin 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 Tianjin University Tianjin 300072 China;
School of Materials Science and Engineering Tianjin University Tianjin 300072 China;
thermal barrier coating(TBC); calcium-magnesium-alumina-silicate(CMAS); surface roughness; wetting; spreading;