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KSTLE international journal v.10 no.1/2, 2009년, pp.23 - 26  

Comparison of Tribological Characteristics of ZnO Coatings Prepared by Sputtering and Sol-gel Methods

Lin, Li-Yu    (Department of Mechanical Engineering, Yonsei University   ); Kim, Dae-Eun    (Department of Mechanical Engineering, Yonsei University  );
  • 초록

    In this work the tribological characteristics were compared between ZnO coatings on glass substrate prepared by sputtering and sol-gel methods. In order to assess the effects of processing method on the tribological characteristics, the friction and wear properties of the coatings were measured by using a reciprocating type of micro-tribotester. The sputtered ZnO coatings were prepared on a glass substrate at room temperature, $150^{\circ}$ , and $300^{\circ}$ . The ZnO coatings prepared by sol-gel method were heat-treated in air atmosphere at $550^{\circ}$ for one hour. The crystal structure and surface morphology of the coatings were measured by X-ray diffraction (XRD) and Atomic Force Microscope (AFM), respectively. The experimental results showed that overall the sputtered coatings exhibited better friction and wear properties than coatings prepared by sol-gel method. The sputtered coating grown at room temperature had a relatively low friction coefficient of 0.14 and superior wear resistance compared with the other coatings. Nevertheless, sol-gel method of coating ZnO on glass is beneficial for economical coating of a large surface area.


  • 주제어

    Coating .   friction .   sol-gel .   sputtering .   wear .   ZnO.  

  • 참고문헌 (8)

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    4. 1996 "탄소강의 가공조건과 마찰.마멸과의 관계" 大韓機械學會論文集. Transactions of the Korean Society of Mechanical Engineers. A. A 20 (5): 1468~1476    
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