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논문 기본 정보

자료유형
학술저널
저자정보
후인 옥-팟 (울산대학교) 부아린 정구현 (울산대학교)
저널정보
한국트라이볼로지학회 Tribology and Lubricants Tribology and Lubricants 제38권 제1호
발행연도
2022.2
수록면
15 - 21 (7page)

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Diamond reinforced Cr-based coating has been proposed as wear-resistant materials. In this study, the friction and wear characteristics of diamond reinforced Cr-based coating are experimentally assessed. The experiments are performed using a pin-on-reciprocating plate tribo-tester under various normal forces with boundary lubrication. The stainless-steel ball is used as a counter material. Prior to the experiments, mechanical properties such as elastic modulus and hardness are determined using nanoscale instrumented indentation. The hardness of the specimen is further determined using a Vickers hardness tester. The specimens before and after the experiments are carefully observed using a confocal microscope to understand the wear characteristics. In addition, the wear volume and wear rate of the specimens are determined based on the confocal microscope data. The results show that the friction coefficients are 0.096–0.100 under 20–40 N normal forces. Furthermore, the wear rates of the diamond reinforced Cr-based coating and the stainless steel ball under 20–40 N normal forces are found to be 12.8 × 10<SUP>-8</SUP> ㎣/(Nm)–15.5 × 10<SUP>-8</SUP> ㎣/(Nm) and 1.9 × 10<SUP>-8</SUP> ㎣/(Nm)–3.9 × 10<SUP>-8</SUP> ㎣/(Nm), respectively. However, the effect of the normal force on wear rates is not clearly observed, which may be associated with the flattening of the ball. The results of the study may be useful for the tribological applicability of diamond reinforced Cr-based coating as wear-resistant materials.

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Abstract
1. 서론
2. 연구방법 및 내용
3. 결과 및 고찰
4. 결론
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UCI(KEPA) : I410-ECN-0101-2022-551-001099416