期刊
JOURNAL OF ASIAN CERAMIC SOCIETIES
卷 4, 期 2, 页码 159-163出版社
TAYLOR & FRANCIS LTD
DOI: 10.1016/j.jascer.2016.02.001
关键词
Ceramic-matrix composites (CMCs); Corrosion; Fracture; Mechanical properties; High-temperature properties
资金
- National Natural Science Foundation of China [51402357]
ZrB2-SiC coating was prepared on C/SiC composites surface by slurry method, and then the thermal fatigue behavior of ZrB2-SiC coated C/SiC composites was studied. The composition of the coating layers was characterized by XRD, SEM and EDS. With the thickness was 200 tun, the coating was ZrB2 and SiC. During thermal cycle between 1773 K in air and 373 K in boiling water, the weight of the ZrB2-SiC coated composites decreased lightly. The decrease of the flexural strength during the thermal cycle was primarily due to the debonding of the fiber-matrix interfaces and the oxidation of the coated samples. Compared with the uncoated C/SiC composites, the coating played an important role in enhancing the resistance to the thermal shock. (C) 2016 The Ceramic Society of Japan and the Korean Ceramic Society. Production and hosting by Elsevier B.V.
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