Based on experimental investigations and an improved understanding of
the mechanisms of weld formation in cold welding, a general theoretica
l model for weld strength in cold welding - earlier developed by Bay -
has been extended and modified. The new model presented in this paper
simulates the whole cold welding process, including the deformation o
f base metals and the resulting weld strength in welding similar, as w
ell as dissimilar, metals. To verify the theoretical model, the calcul
ated weld strengths are compared with experimental measurements. Good
accordance is generally found, which shows the model is applicable.