Residual stress in friction stir-welded Al sheets
✍ Scribed by P Staron; M Koçak; S Williams; A Wescott
- Publisher
- Elsevier Science
- Year
- 2004
- Tongue
- English
- Weight
- 245 KB
- Volume
- 350
- Category
- Article
- ISSN
- 0921-4526
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The role of longitudinal residual stress on propagation of fatigue cracks was examined in friction stir welds produced in 2024-T351 aluminum alloy. Fatigue crack growth rate was obtained through constant DK Iapp tests for notches at different distances from the weld centerline. Subsequently, crack g
Friction stir welding (FSW) can be used to weld 7xxx series wrought aluminium alloys. As these materials are age-hardenable, their properties can change with time. This work used the neutron diffraction technique to measure the residual stresses around a FSW in a 7xxx alloy and to determine how thes