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이성구; 송경욱; 최대철; 노종현; 김홍석

doi:10.7735/ksmte.2020.29.4.288

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자료유형: 학술저널

저자정보: 이성구 (Seoul National University of Science and Technology) 송경욱 (Seoul National University of Science and Technology) 최대철 (Seoul National University of Science and Technology) 노종현 (Seoul National University of Science and Technology) 김홍석 (Seoul National University of Science and Technology)

저널정보: 한국생산제조학회 한국생산제조학회지 한국생산제조학회지 Vol.29 No.4

발행연도: 2020.8

수록면: 288 - 295 (8page)

DOI: 10.7735/ksmte.2020.29.4.288

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In this study, a laser shock surface patterning process was applied to effectively transfer a micro-pattern array to an aluminum specimen. The effect of surface texturing on the tribological properties of aluminum and steel contact surfaces was investigated. In dry conditions, the friction coefficient of the contact surface could be significantly reduced through surface texturing. However, as the contact load increased, the amount of wear debris collected in the cavity became too large, and the influence of the micro-pattern on the frictional force decreased. In lubricated conditions, surface texturing significantly reduced the average friction coefficient and its variation. The effect of surface texturing became prominent in high contact load conditions due to the increase in hydrodynamic effects. Further studies considering the pattern geometry, loading conditions, and properties of the lubricant are needed to quantitatively model the coefficient of friction.

#Surface texturing #Laser shock patterning #Micro-pattern array #Friction #Aluminum alloy

참고문헌 (14)

참고문헌 신청

Felix Flegler / 2020 / Influence of sheet metal texture on the adhesive wear and friction behaviour of EN AW-5083 aluminum under dry and starved lubrication / Tribology International 141:105956

Lidia Benea / 2019 / Enhancement in sustained friction and wear resistance of nanoporous aluminum oxide films obtained by controlled electrochemical oxidation process / RSC Advances 9(43):25056~25063

Yong Wan / 1996 / Effects of diol compounds on the friction and wear of aluminum alloy in a lubricated aluminum-on-steel contact / Wear 193(1):99~104

Seung Jai Won / 2019 / Effects of laser parameters on morphological change and surface properties of aluminum alloy in masked laser surface texturing / Journal of Manufacturing Processes 48:260~269

Jun Shimizu / 2020 / Friction characteristics of mechanically microtextured metal surface in dry sliding / Tribology International 149:105634

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