Role of forming device on structure and phase composition of joints produced in press butt braze welding - A. S. Pismennyj; A. S. Prokofev; A. A. Pismennyj; D. P. Novikova; R. V. Jukhimenko; V. V. Polukhin; I. I. Ptashinskaja; Ju. V. Polukhin (Automatic Welding, 2010)