Material and geometry effects on crack shape in double torsion testing
โ Scribed by P. S. Leevers; J. G. Williams
- Publisher
- Springer
- Year
- 1985
- Tongue
- English
- Weight
- 742 KB
- Volume
- 20
- Category
- Article
- ISSN
- 0022-2461
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Inappropriate design of the test specimen in hot torsion testing may lead to a high accumulation of heat in the central region of the specimen gauge length and as a result flow localization may occur. To avoid this, knowledge of the variation of temperature rise due to plastic deformation over the s
An experimental study described in this paper attempts to compare the behaviour of both through-cracked specimens with different a/w ratios and surface-cracked test pieces. Results show that the material is more resistant to crack growth when the a/Wratios are less than 0.1, both shallow throughand