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Welded joints generally have much lower fatigue strength than the unwelded material and, as a result, design stresses for welded components and structures are usually dictated by the fatigue performance of the welds. The work in this report was carried out in two parts:

- An experimental fatigue testing programme to assess the benefits of the weld improvement methods;
- A theoretical and experimental programme that used the local stress-strain method and fracture mechanics based fatigue crack propagation to make predictions about the benefits of weld the improvement methods;

Data from the experimental programme was used as input to the theoretical programme for both parametric variables and for validation of the theoretical approach. ach.

Additional information

Authors: DICKERSON T, The Welding Institute, Cambridge (GB);MOURA BRANCO C, CEMUL/IST, Lisboa (PT)
Bibliographic Reference: EUR 17823 EN (1997) 206pp., FS, ECU 35.00
Availability: Available from the (2)
ISBN: ISBN 92-828-1435-1
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