Modification of Al-20%Si hypereutectic alloy structure by compress ion plasm a flow treatment

N. N. Cherenda, V. V. Uglov, A. P. Laskovnev, S. V. Gusakova, V. M. Astashynski, A. M. Kuzmicki

Результат исследования: Материалы для журналаСтатья

2 Цитирования (Scopus)

Аннотация

The structure of the Al-20%Si hypereutectic alloy surface layer modified by compression plasma flows is investigated. Compression plasma flows are generated in a nitrogen atmosphere by a magnetoplasma compressor of compact geometry. Plasma impact leads to dissolution of intermetallides and primary Si crystals and to the formation of an oversaturated solid solution on the basis of the f.c.c. Al lattice containing Si atoms. The high cooling rate of the melt resulted in structure refinement of the surface layer. An additional modification of the surface layer is carried out by its alloying with Ti atoms under plasma impact. Structural changes provided an increase in the aluminum alloy microhardness. Main trends in structure transformation after plasma treatment are discussed.

Язык оригиналаАнглийский
Страницы (с... по...)91-99
Количество страниц9
ЖурналHigh Temperature Material Processes
Том17
Номер выпуска2-3
DOI
Статус публикацииОпубликовано - 7 авг 2013

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ASJC Scopus subject areas

  • Condensed Matter Physics
  • Engineering(all)
  • Materials Science(all)
  • Energy Engineering and Power Technology
  • Spectroscopy
  • Physical and Theoretical Chemistry

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