Relation between the Chemical Short-Range Order in Liquid and Amorphous Alloys


Recent advances in both diffraction theory and experiment have led to the determination of the topological and chemical short-range order in liquid alloys and metallic glasses. In binary alloys, three partial interference functions (or partial structure factors) must be determined to evaluate the Warren chemical short-range order parameter a. Examples of recent attempts to determine a in binary liquid and glassy alloys are given. In most glasses, studied so far, evidence exists for the occurrence of unlike nearest neighbor ordering which must be present in the liquid state.

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This research was supported in part by the Grant DMR 80-07939 from the National Science Foundation and in part by the Institute Laue-Langevin and the Deutsche Forschungsgemeinschaft.

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Wagner, C.N.J., Ruppersberg, H. Relation between the Chemical Short-Range Order in Liquid and Amorphous Alloys. MRS Online Proceedings Library 8, 91–102 (1981).

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