The competition between InBi and In2Bi-like atomic distributions before solidification

 

Chem. Met. Alloys 1 (2008) 159-162

 

A. YAKYMOVYCH, S. MUDRY, Ch. LUEF, H. IPSER

 

The enthalpy of mixing of binary InBi melts was measured by means of a calorimetric method at T = 1023, 875, 483 K. Its concentration dependence reveals a flat minimum in the region between the intermetallic phases InBi and In2Bi. The shape of the curve of the integral enthalpy of mixing for liquid In-Bi alloys is in agreement with the assumption of a competition between InBi and In2Bi-like chemical ordering before solidification.

 

Integral enthalpy of mixing as a function of composition for liquid In-Bi alloys.

 

Keywords

Enthalpy of mixing / In-Bi molten alloys / Intermetallic phase / Associate