MCrAlY/TaC Metal Matrix Composite Coatings Produced by Electrospark Deposition

MCrAlY/TaC Metal Matrix Composite Coatings Produced by Electrospark Deposition

MCrAlY/TaC metal matrix composite coatings with 10, 20 and 30 wt.% TaC have been successfully produced by electrospark deposition （ESD）. The effects of TaC content on microstructure, hardness and oxidation behavior of the composite coatings were studied. The results showed that the composite coating...

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Veröffentlicht in:Acta metallurgica sinica : English letters 2013-04, Vol.26 (2), p.173-176
Hauptverfasser: Xie, Yujiang, Yang, Yanhong, Wang, Mingsheng, Hou, Jian
Format: Artikel
Sprache:eng
Schlagworte:
Characterization and Evaluation of Materials
Chemistry and Materials Science
Coatings
Composite coatings
Corrosion and Coatings
Dendritic structure
Deposition
Hardness
Materials Science
MCrAlY
Metal matrix composites
Metallic Materials
Microstructure
Nanotechnology
Organometallic Chemistry
Oxidation resistance
Spectroscopy/Spectrometry
TAC
Tribology
Ultrafines
复合涂层
微观结构
抗氧化行为
电火花沉积
金属基
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Zusammenfassung:MCrAlY/TaC metal matrix composite coatings with 10, 20 and 30 wt.% TaC have been successfully produced by electrospark deposition （ESD）. The effects of TaC content on microstructure, hardness and oxidation behavior of the composite coatings were studied. The results showed that the composite coatings were composed of superfine 9＇ columnar dendrite and large TaC particles dispersedly distributed. The hardness was enhanced but oxidation resistance of the composite coatings was reduced with increasing TaC contents.
ISSN:1006-7191
2194-1289
DOI:10.1007/s40195-012-0236-8