アルミニウム双結晶の結晶粒界に沿う疲労き裂発生におよぼすすべり面の傾きの影響

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書誌事項

タイトル別名
  • Effect of Inclination of Slip Planes on Fatigue Crack Initiation along Grain Boundaries in Aluminum Bicrystals
  • アルミニウム ソウケッショウ ノ ケッショウ リュウカイ ニ ソウ ヒロウ キ

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抄録

In order to examine the initiation of fatigue cracks along grain boundaries, three kinds of aluminum bicrystals were tested by bending fatigue under a constant strain amplitude of 0.2% and a cyclic frequency of 30.4 Hz.<BR>It has been found that the initiation of fatigue cracks along the boundaries occurs under the following conditions: (a) {111} in at least one component crystal is parallel to the boundary plane (it is not always necessary for {111} in the other component crystal to be parallel to the boundary plane) and (b) the slip system parallel to the boundary plane is remarkably activated in the vicinity of the boundary.

収録刊行物

  • 日本金属学会誌

    日本金属学会誌 49 (9), 723-728, 1985

    公益社団法人 日本金属学会

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