Zn-高 Al-高 Cu 系合金の疲労強度と摩耗特性

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タイトル別名
  • Fatigue Strength and Wear Property of Zn-High Al-High Cu Alloys
  • Zn コウ Al コウ Cuケイ ゴウキン ノ ヒロウ キョウド ト マモウ

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抄録

  Two high strength Zn alloys for molds, Z 1610 (Zn-16 Al-10 Cu-0.02 Mg) and Z 2520(Zn-25 Al-20 Cu-0.02 Mg), are newly developed. The fatigue test and the wear test of these new alloys are carried out to compare with existing alloys, ZAS (Zn-4 Al-3 Cu-0.05 Mg), ZA 12 (Zn-12 Al-1.5 Cu-0.02 Mg) and ZA 27 (Zn-27 Al-2.5 Cu-0.02 Mg). The results are as follows. (1) The low cycle fatigue strengths of Z 1610, Z 2520, ZA 12 and ZA 27 are much higher than ZAS. For example the fatigue strength at 1 × 105 cycle of Z 1610 is 142 MPa while that of ZAS is 123 MPa. (2) The high cycle fatigue strengths of all tested alloys are much the same. That at 1 × 107 cycle is about 100 MPa. (3) Z 1610 and Z 2520 show the better wear property than ZAS, ZA 12 and ZA 27. Z 1610 and Z 2520 are excellent materials for molds.

収録刊行物

  • 鋳物

    鋳物 65 (6), 457-461, 1993

    公益社団法人 日本鋳造工学会

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