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YAN Shaojian(闫少健), TIAN Canxin(田灿鑫), HUANG Zhihong(黄志宏), YANG Bing(杨兵), FU Dejun(付德君). Structure and Mechanical Properties of CrTiAlN/TiAlN Composite Coatings Deposited by Multi-Arc Ion Plating[J]. Plasma Science and Technology, 2014, 16(10): 969-973. DOI: 10.1088/1009-0630/16/10/12
Citation: YAN Shaojian(闫少健), TIAN Canxin(田灿鑫), HUANG Zhihong(黄志宏), YANG Bing(杨兵), FU Dejun(付德君). Structure and Mechanical Properties of CrTiAlN/TiAlN Composite Coatings Deposited by Multi-Arc Ion Plating[J]. Plasma Science and Technology, 2014, 16(10): 969-973. DOI: 10.1088/1009-0630/16/10/12

Structure and Mechanical Properties of CrTiAlN/TiAlN Composite Coatings Deposited by Multi-Arc Ion Plating

Funds: supported by the International Cooperation Program of the Ministry of Science and Technology of China (No. 2011DFR50580) and Basic Research Funds of the Central Universities of China (No. 2012202020217)
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  • Received Date: July 19, 2012
  • CrTiAlN/TiAlN composite coatings were deposited on cemented carbide by using a home-made industrial scale multi-arc ion plating system. The samples were studied by X-ray diffraction, scanning electron microscopy (SEM), microhardness and ball-on-disk testing. The properties of the CrTiAlN/TiAlN coatings were significantly influenced by the microstructure and the deposition time ratio of TiAlN over CrTiAlN layers. With the increase of deposition time ratio, the microhardness of CrTiAlN/TiAlN increased from 28.6 GPa to 37.5 GPa, much higher than that of CrTiAlN coatings. The friction coefficients of the CrTiAlN/TiAlN coatings were higher than those of CrTiAlN coatings against a cemented carbide ball. The microhardness of the CrTiAlN/TiAlN coatings was changed after annealing at 800 o C, and the friction coefficients of the annealed coatings were increased against the cemented carbide ball.
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