Enhancing the Lifetime of Welded Joints Using the Protective Coating and Causes the Formation of Defects in Them∗

V. P. Bezborodov, Yu N. Saraev

Результат исследований: Материалы для журналаСтатья

1 Цитирования (Scopus)

Аннотация

The paper shows the efficacy of eutectic Nickel coatings for protecting welded joints of steels against corrosion. It increases with increasing content of the eutectic and chemical compounds at the grain boundaries γ-solid solution based on Nickel. Refinement of the structure of the coatings and reduce their heterogeneity allows to increase the protective properties and durability of welded joints against corrosion. It is established that the probability of formation of cracks in the coatings increases with their thickness, intensity of heating and cooling after reflow, and also with increasing content of the eutectic and chemical compounds at the grain boundaries γ-solid solution based on Nickel. Shown to prevent the formation of cracks in the coatings when they are melt you can use optimal modes of heating and cooling of the composition. Modification of the structure of the coatings by grinding them and reducing heterogeneity allows to improve the resistance to crack formation and protective properties of welded joints against corrosion.

Язык оригиналаАнглийский
Номер статьи012023
ЖурналIOP Conference Series: Materials Science and Engineering
Том142
Номер выпуска1
DOI
СостояниеОпубликовано - 2 сен 2016

ASJC Scopus subject areas

  • Materials Science(all)
  • Engineering(all)

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