Physical Nature of the Processes in Structure Forming, Phase and Chemical Composition of pipe Permanent Joints when MMA Welding

D. P. Il'Yaschenko, D. A. Chinakhov, V. I. Danilov, I. D. Sadykov

Результат исследований: Материалы для журнала

7 Цитирования (Scopus)

Выдержка

The paper outlines peculiarities of structure formation, phase and chemical composition in regard to heat content in molten electrode metal beads when pipe steel (steel 09G2S) welding using power sources with various energy characteristics. Mathematical calculations indicate an inverter power source provides minor heat content into the bead of electrode metal when welding. Experimental research has pointed at 4-9 % increase in impact strength of joints produced using an inverter power source in comparison with samples produced applying a diode rectifier. The following factors can possibly give rise to the increasing impact strength: difference in microstructures of weld joints, up to 50% shortening ferritic plates in metal of weld joint, change in dimensions of ferritic grains in the heat-affected zone by as much as 17.5 %, and decrease in the extent of heat-affected zone by 50%.

Язык оригиналаАнглийский
Номер статьи012010
ЖурналIOP Conference Series: Materials Science and Engineering
Том125
Номер выпуска1
DOI
СостояниеОпубликовано - 5 мая 2016
СобытиеAll-Russia Scientific and Practical Conference on Materials Treatment: Current Problems and Solutions - Yurga, Российская Федерация
Продолжительность: 26 ноя 201528 ноя 2015

Отпечаток

Welding
Metals
Pipe
Heat affected zone
Impact strength
Enthalpy
Welds
Chemical analysis
Electrodes
Steel
Steel pipe
Molten materials
Diodes
Microstructure

ASJC Scopus subject areas

  • Materials Science(all)
  • Engineering(all)

Цитировать

Physical Nature of the Processes in Structure Forming, Phase and Chemical Composition of pipe Permanent Joints when MMA Welding. / Il'Yaschenko, D. P.; Chinakhov, D. A.; Danilov, V. I.; Sadykov, I. D.

В: IOP Conference Series: Materials Science and Engineering, Том 125, № 1, 012010, 05.05.2016.

Результат исследований: Материалы для журнала

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AU - Sadykov, I. D.

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