A method for the determination of the geometrical dimensions and area of the welded joint

Krampit, A.G.; Krampit, N.Yu.

doi:10.1080/09507116.2013.796637

Cited by 11 publications

(6 citation statements)

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“…In double-jet gas shielding with increase in the impact of active shielding gas jet on a drop of electrode molten metal the intensity of metallurgical processes on the drop surface rises [10]. Many scientists in their works [1][2][3][4][5][6][7]11] note the more advantageous conditions of interaction between metal and gas and slays at the stage of a drop as against the weld pool. In his work Novozhilov M.N.…”

Section: Resultsmentioning

confidence: 99%

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Dependence of Silicon and Manganese Content in the Weld Metal on the Welding Current and Method of Gas Shielding

Chinakhov

2015

AMM

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The influence of the welding current and method of gas shielding in MAG welding on the content of silicon and manganese is considered. Results of study of the welded specimens of steels 45 and 30HGSA when applying welding wire of different formulas and different types of gas shielding (traditional shielding and two-jet shielding) are given. It is established that in MAG welding the value of the welding current and the speed of the gas flow from the welding nozzle have a considerable impact on the chemical composition of the weld metal. The consumable electrode welding under double-jet gas shielding provides the directed gas-dynamics in the welding area and enables controlling the electrode metal transfer and the chemical composition of a weld.

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Section: Resultsmentioning

confidence: 99%

“…This influence is particularly significant when hardenable items welding. New welding technologies are developed and the early ones are improved constantly as well as welding techniques, methods, weld properties and configuration control [1][2][3][4][5][6][7].…”

Section: Introductionmentioning

confidence: 99%

Dependence of Silicon and Manganese Content in the Weld Metal on the Welding Current and Method of Gas Shielding

Chinakhov

2015

AMM

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“…These methods used with various simplifications (assumptions), for example, the arc column is stationary and coaxial with the electrode, and a drop of molten metal has the shape of a segment or a glob, etc., which significantly reduce the reliability of the results obtained. The use of modern computational and graphic programs [5][6][7] makes it possible to perform calculations with a high degree of reliability and reduces the processing time of experimental data.…”

Section: Introductionmentioning

confidence: 99%

Determination of Parameters of Electrode Metal Transported Drops by Simulation and Visualization

Ильященко¹,

Крюков²,

Lavrova³

et al. 2020

Prib. metody izmer.

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The nature of the molten electrode metal melting and transfer is the main process parameter of manual metal arc welding (MMA) with coated electrodes. It significantly affects the efficiency of the welding process. For this reason the relevant task is to identify the parameters of the transferred molten electrode metal drops and their further transfer into the weld pool with maximum accuracy. The aim of the given paper is to develop a method and visual representation of the form and the geometrics (volume, area, mass) of a molten electrode metal drop.We have developed the method of simulation modeling and visualization for molten electrode metal drops transfer and their parameters. It allows obtaining highly reliable input data to be used for developing and verification of mathematical models for the thermal fields distribution along the welded item surface. The algorithm is realized as the calculation programs for specifying the molten metal drop parameters and means of its geometrics and space form visualization.We used this method to specify a number of molten electrode metal drop parameters: volume, mass, center-of-gravity position, surface area.We have established that it is possible to conduct the measurements with maximumThe suggested method significantly decreases the labor intensity of experimental studies aimed at specifying the size of electrode metal drops in comparison to the standard methods. When we know the size of the drops under certain welding conditions we can control the drop transfer process, i. e. reduce the heat input into the welded item and produce weld joints with the tailored performance characteristics.

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“…Research direction connected with application of impulse-arc welding methods has been actively developing recently, realized by: 1) tools controlling electrode metal transition by means of pulsed supply of welding arc [5,6]; 2) mechanical programming of droplet transition into welding pool by means of impulse supply of welding wire [7,8,9].…”

Section: Introductionmentioning

confidence: 99%

Influence of Protective Gas Content on Quality of Welded Joint While Welding With Impulse Supply of Electrode Wire

Pavlov

Kryukov

Zernin

et al. 2015

IOP Conf. Ser.: Mater. Sci. Eng.

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Abstract. Currently one of the advanced ways of obtaining quality welded joint while welding of medium alloy martensitic-bainitic steel is the one with impulse supply of electrode wire in gas mixture Ar(70%±3%)+СО2(30%±3%). Results of experimental studies proved that application of protective gas Ar(70%±3%)+СО2(30%±3%) in comparison with СО2(100%) enables to increase strength properties of the welded joint by 10-15% and enlarge the transition coefficient of chemical elements.

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A method for the determination of the geometrical dimensions and area of the welded joint

Abstract: The method for the determination of the geometrical dimensions and area of the welded joint using a computer program to increase the quality and productivity of the process is described.

Cited by 11 publications

References 0 publications

Dependence of Silicon and Manganese Content in the Weld Metal on the Welding Current and Method of Gas Shielding

Dependence of Silicon and Manganese Content in the Weld Metal on the Welding Current and Method of Gas Shielding

Determination of Parameters of Electrode Metal Transported Drops by Simulation and Visualization

Influence of Protective Gas Content on Quality of Welded Joint While Welding With Impulse Supply of Electrode Wire

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