Dawood, Abu Bakar COMSOL MODELING OF ROTARY FRICTION WELDING FOR SIMILAR AND DISSIMILAR METALS Abu Bakar Dawood - Islamabad : SMME - NUST, 2016. - 35 p. : ill. ; 30 cm. Hardcover. Subjects--Topical Terms: Design and Manufacturing Engineering - MS Thesis Dewey Class. No.: 670.5