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Optimizing The Metalloid Content in Bulk Metallic Glasses

Published online by Cambridge University Press:  15 February 2011

O. Jin ,
R. B. Schwarz ,
F. M. Alamgir  and
H. Jain
O. Jin
Affiliation:
Materials Science and Technology Division, Los Alamos National Laboratory, Los Alamos, NM 87545
R. B. Schwarz
Affiliation:
Materials Science and Technology Division, Los Alamos National Laboratory, Los Alamos, NM 87545
F. M. Alamgir
Affiliation:
Department of Materials Science and Engineering, Lehigh Univeristy, Bethlehem, PA 18015-3195
H. Jain
Affiliation:
Department of Materials Science and Engineering, Lehigh Univeristy, Bethlehem, PA 18015-3195
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Abstract

We have studied the effect of phosphorus content on the formation and properties of bulk Pd-Cu-P and Pd-Ni-P metallic glasses. It was found that the molar volumes of the Pd-Ni-P bulk glasses plotted as a function of P content follow a straight line whereas those for the Pd-Cu-P glasses follow two straight lines of different slopes, intersecting at a critical P concentration. The transition in molar volume behavior is attributed to a change in the alloy's short-range order with increasing P content. The origin of this structural change is discussed based on x-ray photoelectron spectroscopy (XPS) measurements.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 580: Symposium E – Nucleation & Growth Processes in Materials , 1999 , 277
Copyright
Copyright © Materials Research Society 2000

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