マグネシウム，ダイカストの金型の熱的特性について

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  • Thermal Characteristics of Dies in Magnesium Alloy Die Casting. (The Study on the Characteristics of Magnesium Alloy Die Casting, 1st report)
  • マグネシウム , ダイカスト ノ カナガタ ノ ネツテキ トクセイ ニ ツイテ

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The temperature rise and distribution in dies of magnesium-alloy (AZ91A) die-casting were compared with that of zinc-alloy and aluminium-alloy die-casting by taking shots-die temperature curves for each alloys. In the case of magnesium die-casting, the saturated temperature of the die was lowest and the temperature distribution in it was most heterogeneous of the three alloys investigated. These more or less undesirable thermal characteristics would make the magnesium-alloy die-casting somewhat more difficult than other two alloys and all these characteristics could be explained by small heat capacity of magnesium alloy.

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