表面技術
Online ISSN : 1884-3409
Print ISSN : 0915-1869
ISSN-L : 0915-1869
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75 巻, 10 号
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小特集／放射光を活用した腐食防食研究
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研究論文
  • Wear resistance and dynamic oxidation of TiXAlYWZN coatings
    Hiroyuki HASEGAWA, Akito TERADO, Masahiro MISUMI, Yudai KITAMIKA
    2024 年 75 巻 10 号 p. 461-465
    発行日: 2024/10/01
    公開日: 2024/10/03
    DOIhttps://doi.org/10.4139/sfj.75.461
    ジャーナル フリー
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    TiXAlYN-based coatings have been applied to machinery and are required to have superior wear resistance to ensure a longer operating life. In this study, TiXAlYWZN was synthesized using radio-frequency magnetron sputtering, and its microstructure, microhardness, elastic modulus, tribological properties, and oxidation behavior were analyzed for application in wear-resistant coatings. All prepared films comprised a solid solution with a cubic structure, and the respective lattice parameters were varied by incorporating W atoms. The microhardness of TiXAlYWZN increased from 24 to 37 GPa with the decrease in its plastic work calculated from the load-displacement curves. The average frictional coefficients of TiXAlYWZN were similar; however, their wear depth decreased depending on the microhardness-to-elastic modulus ratio. During dynamic oxidation, several exothermic and endothermic reactions occurred. These thermal reactions, such as oxidation and sublimation, resulted in drastic changes in the mass gain of TiXAlYWZN.

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