The method of ultrasonic fatigue finds increasing interest in materials science. Especially, fatigue crack growth rates near the threshold stress intensity range, AK,, can be determined with this method in reasonable times providing no frequency and corrosion effects exist. But for an accurate appli
Mechanics and synergetics of fatigue fracture
โ Scribed by V. S. Ivanova
- Publisher
- Springer
- Year
- 1986
- Tongue
- English
- Weight
- 494 KB
- Volume
- 22
- Category
- Article
- ISSN
- 1573-885X
No coin nor oath required. For personal study only.
๐ SIMILAR VOLUMES
Ah&r&--Ultrasonic fatigue experiments are not carried out in load control but in displacement control. In addition, the thickness of the specimen center in ultrasonic fatigue must be thinner to increase the stress concentration. This means that it is not possible to apply the usual stress intensity
In the present work, a simple engineering approach which is based on a relatively solid background and which is checked against fatigue test data for various test conditions was developed: it may provide a practical and reliable basis for the analysis of structures under in-service loading condition
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
Abbreviations CTOD crack-tip opening displacement, mm DB Dugdale-Barenblatt model EIFS equivalent initial flaw size S-N applied stress against cyclic life curve CTOD cyclic crack-tip opening displacement, mm -N applied strain against cylic life curve