The Paton Welding Journal, 2007, №01

The Paton Welding Journal 2007 №01

CONTENTS

SCIENTIFIC AND TECHNICAL

• Lankin Yu.N. Automatic control of the MAG welding process with periodic short circuiting of arc gap (Review) ... 2
• Kulik V.M. and Savitsky M.M. New procedure for evaluation of cold cracking resistance of hardening steel welded joints ... 8
• Nazarenko O.K. and Lanbin V.S. Analog and microprocessor control of the welding electron beam current ... 14
• Labur T.M., Poklyatsky A.G. and Grinyuk A.A. Improvement of fracture resistance of joints of alloy 1420 produced by nonconsumable-electrode argon-arc welding with forced oscillations of the weld pool ... 18
• Dyadin V.P. Influence of pre-deformation on impact toughness of Charpy sample in fracture ... 22

INDUSTRIAL

• Shelyagin V.D., Khaskin V.Yu., Siora A.V., Bernatsky A.V., Goncharenko E.I. and Chizhskaya T.G. Gas-shielded laser and laser-arc welding of steels ... 27

NDT OF WELDED JOINTS

• Kuchuk-Yatsenko S.I., Radko V.P., Kazymov B.I., Zyakhor I.V. and Nikolnikov A.V. Peculiarities of detection of defects in FBW joints on pipes by ultrasonic inspection ... 31

ECONOMY OF WELDING PRODUCTION

• Bernadsky V.N. and Makovetskaya O.K. Welding fabrication and welding equipment market in modern economy ... 35

BRIEF INFORMATION

• Sydorets V.N. and Zhernosekov A.M. Computer simulation of pulsed-arc systems ... 40
• Savitsky M.M., Savichenko A.A., Kulik V.M., Lupan A.F., Melnichuk G.M., Chertorylsky L.A., Golub N.A. and Suprunenko V.A. Light-weight welded cylinders for motor transport ... 43
• News ... 44
• Thesis for a scientific degree ... 45

NEWS

• Our congratulations ... 46
• Developed at PWI ... 39