Abstract
A few years ago we showed that the Theory of Critical Distances (TCD) and the Crack
Modelling Method (CMM) could be used to predict the behaviour of welded joints of various
geometries, in both steel and aluminum alloys. However we found that there were certain kinds of
joints for which our methods, and also other methods which are commonly used, consistently underpredicted
the fatigue strengths. Some explanations are suggested for this problem. Finally, mention
is made of some of failure investigations in which the author has been involved, to illustrate the
complexities which arise in real-world situations.
Publisher
Trans Tech Publications, Ltd.
Subject
Mechanical Engineering,Mechanics of Materials,General Materials Science
Reference7 articles.
1. Neuber H: Theory of notch stresses: principles for exact calculation of strength with reference to structural form and material, 2 ed. Berlin, Springer Verlag, 1958, -292.
2. Peterson RE: Notch-sensitivity, chap. 13, in Metal Fatigue, edited by Sines G, Waisman JL, New York, McGraw Hill, 1959, pp.293-306.
3. Taylor D, Barrett N, Lucano G: International Journal of Fatigue 24 (2002), 509-518.
4. Crupi V, Crupi G, Guglielmino E, Taylor D: Engineering Failure Analysis 12 (2005), 129-142.
5. Lawless S, Taylor D: Engineering Fracture Mechanics 53 (1996), 929-939.