金属材料の被削性に関する研究 : 組織と工具寿命, 仕上面あらさの関連性

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タイトル別名
  • Machinability of Metals : Effect of Microstructure of Metals a Tool Life and Surface Finish
  • キンゾク ザイリョウ ノ ヒサクセイ ニ カンスル ケンキュウ 1 2

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抄録

Three grades of carbon steel (S15C, S40C, and SK4) which contain four different kinds of lamellar pearlite microstructure for each grade were machined for the tests of tool life and surface finish. The effect of globular pearlite structure in high carbon steels on machinability was compared with that of lamellar pearlite structure. The effects of nonmetallic constituent and crystal grain in steels on tool life were also discussed. It was found that the microstructure of lamellar portion of pearlite in carbon steels affects the machinability based upon the tool life and surface finish, and that globular pearlite structure improves the machinability better than lamellar pearlite sturucture.

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