... reduction may affect the postexpansion collapse strength of the tubular. cold working drawing (mechanical) mathematical analysis plastic deformation slip stiction structural engineering 24 03 2007 05 06 2008 05 02 2009 Solid tubular expansion technology, which...

... that as the friction coefficient and mandrel angle increase the drawing force and induced stresses increase. However, the final tube thickness and length were found to decrease with an increase in both parameters. plastic deformation friction forming processes thin wall structures drawing (mechanical...