軽度の引張加工を与えられたα黄銅多結晶における転位食凹

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書誌事項

タイトル別名
  • Dislocation Etch Pits in Slightly Elongated Polycrystalline Alpha Brass
  • ケイド ノ ヒッパリ カコウ オ アタエラレタ アルファ オウドウ タケッショウ ニ オケル テンイショク オウ

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抄録

The process of the early stage tensile deformation (≤σ=0.2%) of polycrystalline α-brass (70-30), was studied using Jacquets etch pit technique. Observations of etch pit arrangements in the same grain at various stages of deformation shows that the order of generation of glide dislocations agrees well with the results obtained from analysis without taking into consideration the influence of surrounding grains, but the effect of constraint from neighboring grains appeared in configurations of pile-up dislocation rows blocked by obstacles such as grain boundaries and sessile dislocations. As the deformation proceeds, the number of blocked dislocations increases and the mean free paths of newly formed dislocations are decreased.

収録刊行物

  • 日本金属学会誌

    日本金属学会誌 25 (4), 285-289, 1961

    公益社団法人 日本金属学会

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