e12

	Journal "Svarochnoe Proizvodstvo"	ISSN 0491-6441
	Contents (�12 2013)
to russian

SCIENTIFIC-TECHNICAL SECTION

Lebedev V. A., Sorokin M. S., Belov A. A. � Control algorithms for inverter power supply of welding current for electrode metal transfer parameter optimization

Means and engineering solutions aimed at improvement of welding process with arc space short circuit implement on the basis of special logical design to control operation of inverter power supply of welding current are considered. It is shown that both partial control of short circuit separate phases and total control to some extent solve the problems of power-and resource-saving, weld form control, quality of the executed welding work.
Key words: arc welding, mechanized equipment, carbon dioxide shielded welding, electrode metal transfer, control, characteristic

Zhernosekov A. M., Sidorets V. N., Shevchook S. A. � Combined impulse action of the shielding gas and welding current at consumable electrode welding

The directions of improving the process of welding with consumable electrode those allow implementing different types of metal transfer in welding steels through the combined effects of pulsed shielding gases and welding current have been determined. The features of the microstructure of the weld metal of low-alloy steels was been revealed.
Key words: consumable electrode, shielding gases, metal transfer, discharge current, microstructure, low-alloy steel

Antonov A. A. � Investigation of the residual stress fields in welded structures

Analysis data of basic methods of testing residual stresses in welded structures are covered. Welded joints� specific features limiting range of application of different methods are marked out. Aggregate investigation technology ensuring obtainment of a reliable result is suggested.
Key words: mode of deformation, residual stress, methods of residual stresses investigation, method of drilling blind holes, speckle interferometer

Golikov N. I., Sidorov M. M. � Analysis of the residual stress redistribution at cyclic loading of the welded joints

In this work investigate the redistribution of residual stress of welded joints of pipe joints of low-alloy steel upon cyclic loading. The results of measurement of residual stresses by X-ray method before and after an additional loading of samples subjected to the deformation of the shock processing and no treatment.
Key words: residual welding pressure, shock processing, manual arc welding, weld j�int, cyclic loading

Naidich Yu. V., Gab I. I., Stetsyuk T. V., Kostyuk B. D., Litvin O. S. � Dispersion kinetics at vacuum annealing of niobium and hafnium nano-films deposited on oxide materials

Dispersion kinetics research results of niobium and hafnium nano-films 100 nm thick depositedon the surfaces of the samples from alumina ceramics, sapphire and ZrO2-based ceramics at vacuum annealing at 1300�1600 �C and different pauses in the range of 2�20 minutes are described.
Key words: niobium, hafnium, dispersion kinetics, nano-film, oxide

Lukin V. I., Nishev K.N., Rylnikov V. S., Afanasiev-Khodykin A. N., Kutsevich K. E. � Method of determining the adhesion strength of the silver coating with silicon substrate

The technique of definition of durability of coupling of a silver covering with a silicon substrate. Tested different high strength adhesives and selected the best for strength determination silver coating with a silicon substrate-adhesive method.
Key words: adhesion strength, silver coating, equipment, glue

PRODUCTION SECTION

Shatov A. P., Onosov G. V., Steklov O. I. � Upgrading of welded structures with antirust paint-and-lacquer coating

Research results of qualitative welds obtainment techniques on steel constructions with anticorrosion priming coatings are covered. In order to obtain defectless seam (without faulty fusion and voids) it is advisable to make corrections of the welding conditions taking into consideration firing rate of the welding arc for coating burn.
Key words: welding, priming, mechanical properties, coating thickness, steel, samples, coefficient of arc penetration ability

Kolokolnikov S. M. � Determination of the weld metal mechanical properties by the hardness parameters in the stress concentration zones revealed by the method of metal magnetic memory

Research results of stress-strain properties of welded joints are described. The investigation is based on no-sample-used method in which indenter materials testing is carried out in the stress concentration zones preliminary revealed by the method of metal magnetic memory.
Key words: stress concentration zone, mode of deformation, method of metal magnetic memory, no-sample-used method, indenter testing, mechanical properties, hardness

Ammosov A. P., Yakovleva S. P., Ammosov G. S., Kornilova Z. G. � Weld fracture of the closure system elements in the "Fomm-Prof 500" machine

An integrated assessment of design and processing factors and structure formation features in the weld junctions conduced to weld fracture of closure system elements in the machine "Fomm-Prof 500" is carried out.
Key words: welding, HAZ, micro- and macrostructure, T-joint, double-sided bevel, weld leg, slag inclusion, pore, faulty fusion, undercut, stress raiser

Mamykina A. Yu., Ferapontov A. N. � Energy capacity of the wear-resistant coating deposition processes on automatic coupler

Power inputs at wear-resistant surfacing on functional surfaces of automatic coupler using different reinforcement techniques are considered. Comparison of energy intensity is drawn by measurement of temperature fields� kinetics using infrared imager. Temperature distribution along coupler shank is shown.
Key words: automatic coupler, gas powder surfacing, component, induction-metallurgical surfacing technique, coating, layer, temperature, infrared imager, power inputs

EDUCATION & PERSONNEL TRAINING

Sas A. V., Grouzintsev B. P. � Fundamentals of creating a system for efficient training of highly skilled operator of manual arc welding

It is shown that for a significant reduction in time and cost in preparing highly qualified welders, they must be trained and professional selection be based on the provisions of ergonomics, psychology and pedagogy, using technical means. It is shown that the introduction of an effective system of training highly skilled welders need for training of masters for the new program.
Key words: natural information model, ergonomics, psychology, pedagogy, professional skills, technical means of training, preparation of training masters

INFORMATION

Ivanov A. N. � The 5th International specialized exhibition "Joining, Cutting and Surfacing� 2013"

BIBLIOGRAPHY

Contents of the foreign journals on welding

RF patents for the inventions in the field of welding

Alphabetic index of the articles published in 2013

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