On crack-crack interaction and coalescence in fatigue
โ Scribed by Roger Chang
- Publisher
- Elsevier Science
- Year
- 1982
- Tongue
- English
- Weight
- 931 KB
- Volume
- 16
- Category
- Article
- ISSN
- 0013-7944
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The crack coalescence in some materials is known to make influence on the failure life significantly in low cycle fatigue as well as corrosion fatigue. A model was proposed to simulate crack linking during fatigue process. The crack distribution observed experimentally was idealized by a two-dimensi
Abrtrrt-Aspects of the tccbnical meaning of fatigue considerations in practice are indicated. The fatigue life is subdivided into a crack nucleations period aod a crack propagation period. The siguiticat~ce of recog&iag these periods for practical problems is illustmtcd by several ~xamptes. The simi
Ab&act-Two prediction techniques are introduced, (1) cycle-by-cycle prediction and (2) prediction by correlation. Attention is paid to the problem of describing varhbk-amplitude loading in terms of load cycles. Aspects of fatigtue damage am reviewed with reference to in&action effects and weakoesses