セラミックス成形体の被削性に関する研究(第6報) -2次元切削による切削力- On the Machinability for Alumina Green Compact(Pat 6) -Cutting Force on Orthogonal Cutting-

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抄録

In recent years, many ceramics have been developed for the uses to mechanical and electronic parts. The strength of alumina ceramic pieces is influenced by the residual crack of the machined surface which generates due to the action of force on the cutting process. The purpose of the study is to clarify the cutting mechanism of alumina green compact by the orthogonal cutting test. The cutting mechanism is discussed from a view point of the relation between specific cutting force and depth of volume or chamfer angle. In the cutting test by a new type testing machine, the cutting conditions are cutting speed 0.8m/s and depth of cut 0.05mm to 0.4mm. The chamfer angle of tool shape was varied from -20°to 5°in grinding. The main results obtained are follows; (1)The specific cutting force of the alumina green compact is affected by depth of cut volume and chamfer angle. (2)In small depth of cut, main crack propagates to inside of a granule, while other crack propagates along grain boundary in large depth of cut.

収録刊行物

  • 粉体および粉末冶金  

    粉体および粉末冶金 46(4), 417-421, 1999-04-15 

    Japan Society of Powder and Powder Metallurgy

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各種コード

  • NII論文ID(NAID)
    10002262345
  • 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
    4701624
  • 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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