期刊
JOURNAL OF WUHAN UNIVERSITY OF TECHNOLOGY-MATERIALS SCIENCE EDITION
卷 29, 期 3, 页码 417-421出版社
WUHAN UNIV TECHNOLOGY
DOI: 10.1007/s11595-014-0932-5
关键词
coated-PHB; pore morphology; seal coating
资金
- Foundation of State Key Laboratory of Advanced Technology for Materials Synthesis and Processing
As pore-forming materials, the coated poly-p-hydroxybenzoate(short for PUB) and h-BN can be applied in the preparation of abradable seal coatings at high temperature. The characteristics of coating such as morphology, thermal stability and composition were studied by SEM, EDS and FTIR. The results show that the modified PUB will change the remained carbon amount, porosity and pore morphology of the coating, which can affect the properties of coatings. If the pore is small enough in uniform distribution, the coating with 5 MPa bond strength, 30-55 HR45Y superficial hardness and certain of carbon can be suitable to well abradability.
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