Stress Induced by Flash Temperature During Head-Disk Impact and Its Influence on Magnetic Degradation (第4回アジア情報記録技術シンポジウム〔英文〕)

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概要

• 論文の詳細を見る

• Slider-disk impact at high velocity may induce high flash temperature due to frictional heating. The maximum values of flash temperature depend on the impact area, the material properties and the operating conditions, and it can range from below 100℃(normal condition)to more than 1000℃(extreme condition). By the effect of thermal expansion among the layers of disk, the stress induced by flash temperature in the magnetic layer are calculated based on different disk substrates. From the inverse magnetostriction effect, its influence on the magnetic degradation has been investigated via micro-magnetic simulation. The results show that magnetic degradation could occur far below Curie temperature.

• 社団法人映像情報メディア学会の論文
• 1999-11-10

著者

• Liu Bo

  Data Storage Institute

• Liu Bo

  Data Storage Institute 5 Engineering Drive

• Liu B

  Data Storage Institute 5 Engineering Drive

• Liu B

  Data Storage Institute

• Liu Bo

  Data Storage Institute 5 Engineering Drive 1

• Liu Bo

  Data Storage Institute National University Of Singapore

• YUAN Zhi-Min

  Data Storage Institute

• Ding Jun

  National University Of Singapore

• Ding J

  National Univ. Singapore Singapore

• Wang Jiwen

  Data Storage Institute, 5 Engineering Drive 1

• Wang Jiwen

  Data Storage Institute 5 Engineering Drive 1

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