Lattice spacings and stacking fault probabilities in Ag-Cd-In alloys

Krishnan, R. G. ; Gupta, R. K. ; Rama Rao, P. (1971) Lattice spacings and stacking fault probabilities in Ag-Cd-In alloys Metallurgical and Materials Transactions B, 2 (12). pp. 3373-3375. ISSN 1073-5615

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Lattice spacing values in ternary Ag-Cd-In alloys containing 5 to 30 at. pct Cd and 5 to 15 at. pct In have been determined from X-ray powder patterns using the Nelson-Riley extrapolation procedure. The values are shown to lie, in a ternary plot, on iso-parameter lines obtained by joining equal lattice spacing values in the relevant binary alloys. The intrinsic stacking fault probabilities (α) in these alloys obtained from measurement of X-ray peak displacements are found to follow the empirical relation α=α0 exp k|ΔZ| p, where α0 is the intrinsic fault probability in Ag, |ΔZ| is the weighted mean of solvent-solute valence differences, p is the combined solute content, and k is a constant approximately equal to 0.08 in agreement with the value found earlier for binary alloys based on silver.

Item Type:Article
Source:Copyright of this article belongs to The Minerals, Metals & Materials Society.
ID Code:41781
Deposited On:31 May 2011 08:21
Last Modified:31 May 2011 08:21

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