Do a search at <http://www.scirus.com/> on "hydrogen embrittlement" That's the old phrase for hydrogen induced cracking. There are lots of causes--two that I know of are welding with wet electrodes and certain types of plating and pickling operations.
Christopher Wright P.E. |"They couldn't hit an elephant at chrisw@skypoint.com | this distance" (last words of Gen. ___________________________| John Sedgwick, Spotsylvania 1864)http://www.skypoint.com/~chrisw Received on Thu May 13 23:58:00 2004
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