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- Riemelmoser Franz Oswald
- Max-Planck-Institut für Metallforschung
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- Gumbsch Peter
- Max-Planck-Institut für Metallforschung
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- Pippan Reinhard
- Erich-Schmid-Institute of Materials Science
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The intrinsic threshold behavior of fatigue cracks and the disappearance of any cyclic plastic deformation below a threshold value can be understood by taking into account the discreteness of plasticity with recourse to discrete dislocation models. The aim of this paper is to document the progress in the discrete dislocation modelling within the past twenty years and the resulting increase in the understanding of fatigue cracks. The problems addressed are (1) the nature of the intrinsic fatigue threshold, (2) the influence of microstructure and/or of the mean stress level on the crack tip deformation and (3) the physical reason for the minimum striation spacing at small stress intensity ranges. A particular purpose of this paper is to compare the different dislocation models proposed in the literature in order to differentiate aspects of fatigue crack growth that do and do not depend on modelling and on microstructural details.
収録刊行物
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- MATERIALS TRANSACTIONS
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MATERIALS TRANSACTIONS 42 (1), 2-13, 2001
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
- 1390001204247871488
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- NII論文ID
- 130004451305
- 10005354827
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- NII書誌ID
- AA1151294X
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- COI
- 1:CAS:528:DC%2BD3MXitVCnsr0%3D
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- ISSN
- 13475320
- 13459678
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- NDL書誌ID
- 5646080
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- NDL
- Crossref
- CiNii Articles
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- 抄録ライセンスフラグ
- 使用不可
