Friction and Adhesion in Dry Warm Forging of Magnesium Alloy with Coated Tools
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- MATSUMOTO Ryo
- Graduate School of Engineering Science, Osaka University
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- KAWASHIMA Hiroaki
- Graduate School of Engineering Science, Osaka University
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- OSAKADA Kozo
- Graduate School of Engineering Science, Osaka University
抄録
In order to develop forging process of magnesium alloys without lubrication, frictional behavior of magnesium alloy AZ31B (Mg-3%Al-1%Zn) is evaluated by a tapered plug penetration test under dry condition. The cemented tungsten carbide (WC) plugs polished to be a mirror-like surface are coated with diamond-like carbon (DLC) and TiAlN by physical vapor deposition (PVD). The cylindrical hollow billets of AZ31B are penetrated by the tapered plugs at a temperature of 200°C. The surface roughness of the hole of the billet, the adhesion length of AZ31B on the plug surface and the penetration load are measured. Compared with WC and TiAlN coating, it is found that DLC coating is effective in preventing AZ31B from adhering to the tool surface and reducing the penetration load.
収録刊行物
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- JSMME
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JSMME 1 (4), 397-405, 2007
一般社団法人 日本機械学会
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詳細情報 詳細情報について
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- CRID
- 1390001205264392192
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- NII論文ID
- 130000078616
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- ISSN
- 18809871
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- Crossref
- CiNii Articles
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- 抄録ライセンスフラグ
- 使用不可