한국표면공학회:학술대회논문집 (Proceedings of the Korean Institute of Surface Engineering Conference)

한국표면공학회 (The Korean Institute of Surface Engineering)
권호 표지

Tribological Performance of Laser Textured Translucent Duplex α/β-Sialon Composite Ceramics

  • Joshi, Bhupendra (Research Center for Eco Multifunctional Nano Materials, Sun Moon University) ;
  • Tripathi, Khagendra (Research Center for Eco Multifunctional Nano Materials, Sun Moon University) ;
  • Gyawali, Gobinda (Research Center for Eco Multifunctional Nano Materials, Sun Moon University) ;
  • Lee, Soo Wohn (Research Center for Eco Multifunctional Nano Materials, Sun Moon University)
  • 발행 : 2014.11.20
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초록

Optically translucent Sialon ceramics was fabricated by hot pressed sintering method. The Sialon ceramics was laser textured and their tribological performance was observed. Starved lubrication method was applied on Sialon ceramics with different dimple spacing under a load of 10N and at room temperature. The material having high dimple spacing ($200{\mu}m$) shows low coefficient of friction. The material shows mild wear and therefore, wear rate of steel ball (meeting partner) was observed to measure wear rate. Different phases Sialon ceramics were analyzed by XRD patterns. Moreover, the mechanical properties of the Sialon ceramics were observed.

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