Ａｌ‐Ｍｇ合金の凝固条件による羽毛状晶の生成

DOI Web Site 被引用文献2件

書誌事項

タイトル別名
  • Formation of feathery crystals depending on the solidifying conditions in Al-Mg alloys.
  • Al Mg ゴウキン ノ ギョウコ ジョウケン ニ ヨル ウモウジョウ ショウ
公開日
1986
DOI
  • 10.2464/jilm.36.562
公開者
一般社団法人 軽金属学会

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説明

The solidifying conditions for formation of feathery crystal in Al-Mg alloys were investigated by using unidirectional solidification and the new solidifying method "Graphite-Mold Submerging (GMS) process". This was able to control solidifying rate R and temperature gradient G respectively and its prominent feature was to submerge melt-filled mold heated at casting temperature into water bath directly. In the R-G diagram, the formation zone of feathery crystal in each composition of Al-Mg alloys was enclosed with suitable R and G respectively and its zone was shown as triangles between columnar and granular crystal zone. In view of relationship between G/R and R on the formation zone of each crystal structure, the feathery crystal zone overlapped columnar's and decreased continuously with increaing R. Therefore it is considered that feathery crystal is the peculiar structure belonging to columnar crystal.

収録刊行物

  • 軽金属

    軽金属 36 (9), 562-570, 1986

    一般社団法人 軽金属学会

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