On Sun, Sep 16, 2012 at 12:47 AM, John Newman <[email protected]> wrote:
> On the other hand, an ab initio fresh start on welding might commence with > experimentation using hyper-pure raw materials of species having a single > stable isotope, such as aluminium > (http://www.webelements.com/aluminium/isotopes.html for example), with > painstaking spectrographic analysis of good provenance before and after > welding. It would be interesting to see what could arise as 'impurities' > after welding with the huge range of different welding processes and, > indeed, with variations on welding input parameters, both within and outside > those conducive to production of a technologically sound weld. Interesting you should mention this: http://www.gizmag.com/honda-steel-aluminum-welding/24096/ Not a lot of information available; but, what did they learn? T

