Abstract
Abstract Neutron diffraction measurements have been made on a series of four CuTi molten alloy samples in order to determine the possible variation of chemical short range order (CSRO) with composition in the liquid state. The structure factor curves S(Q) obtained all contain the characteristic pre-peak at Q ≈ 1.9 Å −1 which provides experimental evidence for the existence of CSRO. The degree of CSRO present has been estimated and the CSRO parameter α obtained from an analysis based on experimental and calculated S(Q) curves. The observed variation of CSRO with composition in the liquid state follows the trends established from previous experiments and thermodynamic calculations. The CSRO is less developed in the melt than in the metallic glass phase.
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