A metastable BCC Si-substituted Pd solid solution

A metastable BCC Si-substituted Pd-rich Pd100-xSix solid solution Pd(Si) of the A2 type has been obtained in the concentration range 8<x<13 by rapidly quenching the alloys from the liquid state. The solid solution decomposes into the equilibrium phases Pd and Pd5Si depending on the composition and temperature. Once the Pd(Si) solid solution is formed, it remains stable up to 620 K before it decomposes under heat treatment.