David

I forgot, my suggestion for an estimate was for tin / lead solder joints.

If anything else is to be evaluated we have to go into physics of failure which  might ( almost sure ) become very difficult.

Guenter 

Guenter Grossmann
Swiss Federal Institute for Materials Testing and Research EMPA
Centre for Reliability
8600 Duebendorf
Switzerland

Phone: xx41 1 823 4279
Fax :      xx41 1823 4054
mail:     [log in to unmask]

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