冷間押出工具表面の微細溝列によるアルミニウム製品表面平滑化の検討

DOI Web Site 被引用文献3件 参考文献11件

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タイトル別名
  • Improvement of surface roughness of aluminum products by the micro-grooves on tool surface in cold extrusion
  • レイカン オシダシ コウグ ヒョウメン ノ ビサイ コウレツ ニ ヨル アルミニウム セイヒン ヒョウメン ヘイカツカ ノ ケントウ

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抄録

The effects of the micro-groove arrays formed on the tool surface on the material flow, surface condition of a billet and surface quality of a product were investigated by carrying out the plane strain extrusion experiments. Paraffinic mineral oil and RBD palm olein were applied in the above experiments. The distributions of flow velocity and effective strain in a billet were analyzed by using the visio-plasticity method. The experimental and analytical results show that the extrusion load increases with the inflow of billet to the grooves. The results also show that the surface condition of the extruded product is smoother when the location of the micro-groove array is at the inner section in the deformation boundary and a paraffinic mineral oil was used. The surface quality of a product in an extrusion process could be improved, under a slight rise of the extrusion load by using a tool with micro-groove arrays were formed on the tool surface at an appropriate section.

収録刊行物

  • 軽金属

    軽金属 58 (3), 111-116, 2008

    一般社団法人 軽金属学会

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