Tool Steels. The Effects of W-equivalent and Mo-ratio on the Microstructure and Bending Strength of High-Speed Tool Steel Precision Cast.

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Other Title
  • 工具鋼　精密鋳造ハイスの組織，抗折力におよぼすＷ当量，Ｍｏ比率の影響
  • 精密鋳造ハイスの組織,抗折力におよぼすW当量,Mo比率の影響
  • セイミツ チュウゾウ ハイス ノ ソシキ コウセツリョク ニ オヨボス W ト

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Description

The effects of W-equivalent(Weq=W+2Mo) and Mo-ratio(2Mo/Weq) on the microstructure and bending strength of high-speed tool steel precision cast have been investigated. The CNS, carbide net spacing, of primary carbides became smaller with increase in Weq and 2Mo/Weq, which resulted in higher bending strength, and Weq was more effective to this. It is considered that CNS strongly affected the bending strength and the decrease in CNS was effective to improve the bending strength by constraining the plastic deformation of

Journal

  • DENKI-SEIKO

    DENKI-SEIKO 68 (2), 77-86, 1997

    Daido Steel Co., Ltd.

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