α鉄およびγ鉄に対するPの固溶度

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書誌事項

タイトル別名
  • Solubility of Phosphorus in α and γ-Iron
  • アルファテツ オヨビ ガンマテツ ニ タイスル P ノ コヨウド
  • Solubility of Phosphorus in α and γ-Iron

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説明

According to the Fe-P phase diagram, the solubility of phosphorus in α-Fe at 1050°C is known to be 2.8 wt%. This value is extremely large compared with the amount of phosphorus found in commercial steel. Therefore, it has been supposed that phosphorus in steel might dissolve in the matrix, and any phosphide phases such as phosphide-inclusions or phosphide-precipitations might not be present at all.<BR>However, it has been confirmed in the present research that the solubility of phosphorus in α and γ-iron is remarkably decreased by the alloying of phosphide forming elements. From this experiment it should be concluded that phosphide phases are present in commercial steels containing the strong phosphide forming elements and in some cases, the phosphide-precipitation takes place, which is expected to play an important role in aging phenomena such as the temper-brittleness of alloy steels.

収録刊行物

  • 日本金属学会誌

    日本金属学会誌 29 (2), 166-170, 1965

    公益社団法人 日本金属学会

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