A proposed diffusion-controlled wear mechanism of alloy steel friction stir welding (FSW) tools used on an aluminum alloy

Результат исследований: Материалы для журналаСтатья

48 Цитирования (Scopus)

Аннотация

A study of diffusion wear mechanism in 1.2344 X40CrMoV5-1 steel FSW tool has been carried out from the standpoint of tribological layer generation and interaction with the tool's metal. It was shown that during FSW of AMg5M aluminum alloy the latter covers the tool's working surface and then iron/aluminum reaction diffusion is initiated under the conditions of high mechanical stress and temperature. Since diffusion by the former austenite grain boundaries is much faster than that of by volume an intermetallic compound is formed inside the tool's metal thus causing embrittlement and pulling out the tool's metal fragments.

Язык оригиналаАнглийский
Страницы (с-по)130-134
Число страниц5
ЖурналWear
Том318
Номер выпуска1-2
DOI
СостояниеОпубликовано - 15 окт 2014

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Surfaces and Interfaces
  • Materials Chemistry
  • Surfaces, Coatings and Films
  • Mechanics of Materials

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