한국윤활학회:학술대회논문집 (Proceedings of the Korean Society of Tribologists and Lubrication Engineers Conference)

한국트라이볼로지학회 (Korean Tribology Society)
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컴퓨터 하드디스크의 CSS 테스트에 의한 AE 신호 해석

Analysis of Acoustic Emission Signal During Contact Start/stop Test on Computer Hard Disk

  • 황평 (영남대학교 기계공학부) ;
  • 김우석 (영남대학교 대학원 기계공학부) ;
  • 김도형 (한국과학재단)
  • Hwang, Pyung (School of Mechanical Engineering, Yeungnam University) ;
  • Kim, Woo-Seok (School of Mechanical Engineering, Graduate School, Yeungnam University) ;
  • Kim, Do-Hyung (Korea Science and Engineering Foundation)
  • 발행 : 1999.06.01
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초록

In order to analysis contact mechanism of head/ disk interface on hard disk drive, many techniques of analysis have been developed. Acoustic Emission sensor can be used for detect elastic energy of contact at head/disk interface. This work presents a good understanding of slider characteristics in frequency domain. The results show that torsional and bending mode of slider are dominant in head/disk contact.

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