<b>A method of evaluating the stability of burning of the welding arc</b>

Yazovskikh, V. M.; Belen'kii, V Ya; Krotov, L. N.; Letyagin, I. Yu.

doi:10.1080/09507119709454432

Cited by 2 publications

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“…These parameters shall be analyzed by analyzing the distribution of arc voltage and welding current, with due account of phased histogram processing methods. For a more accurate assessment of the coating stabilizing properties, it is recommendable to record welding current and voltage alterations oscillograms [2].…”

Section: Introductionmentioning

confidence: 99%

Using Mathematical Modeling to Develop Electrode Coating Composition for Stable Arcing and Arc Restarting

Letyagin

2017

SSP

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This paper proposes a method to optimize electrode coating using the desirability function for such stick electrode quality assessment criteria as stable arcing while ensuring sustainable restarting of the arc. Based on the mathematical apparatus of the experiment design theory, we derived a regression equation that describes the joint effect of electrode coating components on the arcing and arc restarting stability when using coated electrodes for welding. We have also analyzed the mathematical apparatus for experimental data processing for optimizing based on a generalized criterion. This method enables an assessment of responses that differ in their physical meaning and dimension. This experience helped optimize the electrode coating.

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Section: Introductionmentioning

confidence: 99%

Using Mathematical Modeling to Develop Electrode Coating Composition for Stable Arcing and Arc Restarting

Letyagin

2017

SSP

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Secondary‐Emission signal for weld formation monitoring and control in eletron beam welding (EBW)

Трушников¹,

Belenkiy

Mladenov

et al. 2012

Materialwissenschaft Werkst

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The process of emission of term electrons from the zone of effect of the electron beam are analyzed. During the experiments, the samples of stainless steel and titanium alloy were welded. Experiments were conducted to examine the spectrum of oscillations of the secondary current at various values of the specific power of the electron beam. The conducted research showed that the signal spectrum of the secondary current in electron beam welding contains a characteristic high‐frequency (15…︁25 kHz) component. It was established that the described frequency spectrum is not created by some control system in the electron beam machine and reflects the oscillations in the system – «keyhole‐plasma». Empirical density distribution of the high‐frequency signal was constructed in the amplitude range. It was shown that the parameters of the density distribution is closely linked with the nature of interaction between the beam with the metal and can be used for remote control of technology process.

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A method of evaluating the stability of burning of the welding arc

Cited by 2 publications

References 0 publications

Using Mathematical Modeling to Develop Electrode Coating Composition for Stable Arcing and Arc Restarting

Using Mathematical Modeling to Develop Electrode Coating Composition for Stable Arcing and Arc Restarting

Secondary‐Emission signal for weld formation monitoring and control in eletron beam welding (EBW)

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