Diffusion coefficient of 195Au in the liquid Au0.81Si0.19 alloy

Abstract

Using the shear cell technique the diffusion coefficient DAu of 195Au in liquid Au0.81Si0.19 has been measured in the temperature range 663–1773 K. The experimental values are compared with an estimation of D made in the framework of the Enskog approximation. The relative enhancement of DAu below 1100 K is attributed to short-range order effects in the liquid.