Open AccessThe effect of fast crystallization ligature modification on the microstructure of aluminum alloys
Author(s) -
А.И. Черепанов,
В. В. Кукарцев,
В. С. Тынченко,
В. В. Кукарцев,
E. I. Semenova,
S. V. Aponasenko,
К. А. Башмур
Publication year - 2020
Publication title -
journal of physics. conference series
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.21
H-Index - 85
eISSN - 1742-6596
pISSN - 1742-6588
DOI - 10.1088/1742-6596/1515/5/052043
Subject(s) - materials science , crystallization , microstructure , alloy , carbide , aluminium , metallurgy , titanium carbide , boron nitride , titanium , nitride , sodium , boron carbide , evaporation , titanium alloy , chemical engineering , composite material , layer (electronics) , physics , engineering , thermodynamics
One of the ways to improve the mechanical and technological characteristics of aluminum alloys is to introduce modifiers into them, which are divided into two fundamentally different groups. Modifiers of the first kind, which have proven themselves to be positive, include elements such as Ti, Zr, B, Sb. Their addition to the alloy is up to 1% (wt.). Recently, studies have been conducted on the use of powder modifiers: boron carbide, silicon carbide, nitride or titanium carbide and other modifiers. Modifiers of the second kind include sodium, potassium and their salts. The disadvantage of these low-melting modifiers is that after processing the melt with them, the modification effect disappears after 30-40 minutes due to evaporation and oxidation of sodium.