各種アルミニウム合金鋳物の破壊特性に及ぼすＦｅ，Ｃａの影響

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タイトル別名
  • Effects of Fe and Ca on fracture characteristics of various aluminum casting alloys.
  • カクシュ アルミニウム ゴウキン イモノ ノ ハカイ トクセイ ニ オヨボス

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説明

Effects of Fe content and Ca addition on the mechanical properties and toughness in several types of casting alloys, AC4C-T6, AC2B-T6 and AC4D-T6 are investigated. The modification of eutectic Si is successfully achieved by 40ppm Ca addition in AC4C-T6 and AC4D-T6 alloys. The mechanical properties and toughness are made worth with increasing Fe content especially when Ca is not added: the elongation, Charpy absorbed energy and dynamic fracture toughness of the alloys are improved with the addition of Ca. The 0.2% proof stress and tensile strength decrease by adding Ca in some alloys. The decreasing ratio of proof stress and tensile strength are, however, much smaller than the increasing ratio of toughness when Ca is added to the alloys.

収録刊行物

  • 軽金属

    軽金属 43 (11), 581-587, 1993

    一般社団法人 軽金属学会

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