| CHENG Xu-dong,GAO Zhong-bao,LI Qi_lian,XIAO Wei,MIN Jie.The Study on the Abradable Seal Coating Material Used in High Temperature[J],37(4):21-22 |
| The Study on the Abradable Seal Coating Material Used in High Temperature |
| Received:March 06, 2008 Revised:August 10, 2008 |
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| DOI： |
| KeyWord:High temperature Abradable seal coating Hardness Adhesive strength Thermal shock |
| Author | Institution |
| CHENG Xu-dong |
State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technolog, Wuhan , China |
| GAO Zhong-bao |
State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technolog, Wuhan , China |
| LI Qi_lian |
Key Laboratory of National Defence Science and Technology for High Energy Density Beam Processing Technology, Beijing Aeronautical Manufacturing Technology Research Institute, Beijing , China |
| XIAO Wei |
State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technolog, Wuhan , China |
| MIN Jie |
State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technolog, Wuhan , China |
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| Abstract: |
| In order to improve the temperature the abradable seal coating can be used to adjust to the prompt development of the airplane engine, materials can be used in high temperature were elected, aggregate structure powder was designed and prepared, then abradable seal coating P7268 was prepared by APS. Research of the triturated coating P7268 performance used in the temperature above l OOO℃ was done, thimble test and resistance of thermal shock test in the temperature l OOO℃ was also accomplished. P7268 seal coating has excellent stability in high temperature, change of the hardness is obscure and it can bear 50 cycles thermal shock. |
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