Equal channel angular extrusion of tubular aluminum
O journal of manufacturing processes vol. 8no. 2 2006 equal channel angular extrusion of tubular aluminum alloy specimens-- analysis of extrusion pressures and mechanical properties a.v. nagasekhar, uday chakkingal, and p.venugopal, metal forming laboratory, dept. of metallurgical and materials engineering, indian institute of technology, madras, chennai,.