PTAを熱源に用いた積層造形法における溶解池形状について Molten Pool Shape of Rapid Tooling Method Using Plasma Transferred Arc

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Directed Plasma Fabrication (DPF) is a rapid tooling process that is based on controlled deposition of molten powder particles according to computer-controlled patterns. It makes fully dense, near net shape metal components without molds or dies, and without forming, pressing or forging systems.<BR>Experimental works were carried out using conventional low current Plasma Transferred Arc Welding system, and metallic powder was stellite #21. Cylindrical shapes are successfully deposited as dimensions with 2.5-4.2 mm wall thickness.<BR>As compared to thermal conductivity, there is considerable effect of some physical factors like arc force on the penetration depth of the molten pool, during DPF process. And, if the arc length is appropriately controlled, cross sectional area of molten pool and its penetration depth can be roughly approximated to the heat source assumed to be moving point type.

収録刊行物

  • 粉体および粉末冶金

    粉体および粉末冶金 49(5), 360-366, 2002-05-15

    一般社団法人 粉体粉末冶金協会

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各種コード

  • NII論文ID(NAID)
    10008559490
  • NII書誌ID(NCID)
    AN00222724
  • 本文言語コード
    JPN
  • 資料種別
    ART
  • ISSN
    05328799
  • NDL 記事登録ID
    6169274
  • NDL 雑誌分類
    ZP41(科学技術--金属工学・鉱山工学)
  • NDL 請求記号
    Z17-274
  • データ提供元
    CJP書誌  NDL  J-STAGE 
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