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HomeSolid State PhenomenaSolid State Phenomena Vol. 303Effect of Protective Coatings in Welded...

Effect of Protective Coatings in Welded Constructions on Welding Stability and Electrode Metal Transfer into a Weld Pool in MMA

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Abstract:

The paper presents data of experimental research into the importance of protective surface coatings in welded products for MMA stability; heat field distribution patterns on their surfaces, and structure and phase composition of the welded metal. The study has revealed that a protective surface coating in a welded item in MMA has a positive effect on shortcut duration, increasing it by 5-11 %, raising its formation and transformation time by 10-12 %; 15% dimensional increase of a welded metal grain is registered as well, and a heat impact zone expands by 25%.

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Materials and Processing Technology III

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Periodical:

Solid State Phenomena (Volume 303)

Pages:

32-38

DOI:

https://doi.org/10.4028/www.scientific.net/SSP.303.32

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Online since:

May 2020

Authors:

Dmitriy P. Il’yaschenko*, Dmitry А. Chinakhov, E.V. Verkhoturova, R.A. Mamadaliev

Keywords:

Arc Welding, Burning Stability, Heat Content, Microstructure, Protective Coating, Weld Pool

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© 2020 Trans Tech Publications Ltd. All Rights Reserved

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