| Microstructures of laser cladding of intermetallic-ceramic composite coatings |
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| 作者单位： | ZHOU Xianglin ; CHEN Chuanzhong; CHANG Chun; YU Jiahong; HU Hanqi ( Department of Materials，Shandong University of Technology，Jinan 250061，China |
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| 摘 要： | The microstructures of laser cladding of (Ni-24.5%(atom fraction)Al)+5O%(mass haction)WC coatingsbefore and after aging was comparetively studied by using SEM and TEM. It is shown that dissolving of WC and reprecipitating in the forms of WC and W,Coccurred during laser cladding, and intermetallic γ' (Ni3Al) orderly precipitatefrom metastable supersaturant Ni-matrix solid solution after heat treatment. The structures are favorable for coating'sproperties.
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Microstructures of laser cladding of intermetallic-ceramic composite coatings |
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| ZHOU Xianglin , CHEN Chuanzhong, CHANG Chun, YU Jiahong, HU Hanqi. Microstructures of laser cladding of intermetallic-ceramic composite coatings[J]. Journal of University of Science and Technology Beijing, 1997, 0(3) |
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| Authors: | ZHOU Xianglin CHEN Chuanzhong CHANG Chun YU Jiahong HU Hanqi |
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| Abstract: | |
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| Keywords: | intermetallic ceramic laser cladding metastable Phase aging |
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