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- 大橋 鉄也
- (株)日立製作所日立研究所
書誌事項
- タイトル別名
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- Numerical Analysis of Deformation Band Evolution and Sub-Macroscopic Stress Disorder in FCC Single Crystals
- FCC タンケッショウチュウ ノ ヘンケイタイ ノ ハッタツ カテイ ト オウ
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説明
Numerical models of face centered cubic single crystals, in which the condition for plastic slip is spacially non-uniform, have been developed. Tensile deformations of the models have been analysed by the finite element method. The evolutions of deformation bands from the initial non-uniformity and the characteristics of disordered stress field caused by non-uniform slip have been discussed. The results are as follows:<BR>(1) non-uniformity in the distribution of the initial dislocation density caused the generation of a kink band even if the non-uniformity is very slight.<BR>(2) a band of secondary slip is formed when the non-uniformity in the distribution of shear strain on the primary slip system reaches a certain value which is supposed to depend on the crystal orientation.<BR>On the basis of the results of disordered stress field analyses, the reason for which the kink band and the band of secondary slip are formed in a specific direction has been discussed.
収録刊行物
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- 日本金属学会誌
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日本金属学会誌 53 (3), 290-295, 1989
公益社団法人 日本金属学会
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詳細情報 詳細情報について
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- CRID
- 1390282681461186048
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- NII論文ID
- 130007337299
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- NII書誌ID
- AN00187860
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- ISSN
- 18806880
- 24337501
- 00214876
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- NDL書誌ID
- 3222524
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- データソース種別
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- JaLC
- NDL
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