Influence of overlays on stresses in fillet-welded joints

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Abstract
Finite-element analyses have been carried out on a specimen with transverse non-load-carrying attachments, to examine the influence of low-modulus overlays consisting either of a layer of uniform thickness over the whole weld or of an infill over the weld toe. The variables studied have included coating thickness and the shape, size and modulus of toe infills. It is shown that substantial reductions in stress concentration can be obtained by such coatings.

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