溶接ジルコニウムにおける格子歪の回復について

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タイトル別名
  • On the Recovery of Lattice Strain in Welded Zirconium
  • ヨウセツ ジルコニウム ニ オケル コウシ ワイ ノ カイフク ニ ツイテ

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抄録

The recovery of lattice strain in welded zirconium, 50% cold rolled, was studied on the basis of the change of half breadth of X-ray diffraction lines.<BR>The recovery of lattice strain of the c-axis direction in the welded and non-welded zones shows nearly the same rate in the isothermal recovery curve, particulary, at a high temperature. However, the recovery of the a-axis direction in the welded zone has retarded as compared to that in the non welded zone.<BR>Besides, recrystallized grains in the welded zone do not appear even by annealing at 800°C for 1 hr, whereas in the quenched zirconium showing a similar structure to the welded zone they are found by annealing at 600°C for 1 hr.<BR>From these results it can be understood that inhomogeneously dissolved oxygen and other gases during the welding play an important role in the recovery process as well as in the thermal expansion as previously reported by the authors.

収録刊行物

  • 日本金属学会誌

    日本金属学会誌 28 (10), 648-653, 1964

    公益社団法人 日本金属学会

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