Interpretation of solid solution hardening with vibrational spectra.

[en] Solid solution hardening has been reviewed with respect to existing experimental data. It is shown with the aid of new experimental data on two inorganic systems (NiO-CoO and CaF(2)-SrF(2)) that the large increase in hardness of intermediate compositions correlates qualitatively and can also be quantitatively justified by the use of selected values of the parameters in a previously developed atomistic hardness formula. The key parameters are the variations in the unit cell dimensions, the eigenfrequency, and anharmonic factor of the structure.

Disciplines :

Chemistry

Author, co-author :

Plendl, J N; AFCRL, Bedford, MA, 01730, United States

Gielisse, P J; Department of Chemical Engineering of the University of Rhode Island, India

Mansur, L C; AFCRL, Bedford, MA, 01730, United States

Mitra, S S; Department of Chemical Engineering of the University of Rhode Island, India

Smakula, A; MIT Crystal Physics Laboratory, United States

Tarte, Pierre

Language :

English

Title :

Interpretation of solid solution hardening with vibrational spectra.

Alternative titles :

[fr] Interprétation du durcissement de la solution solide à l'aide de spectres vibrationnels.

Publication date :

01 May 1971

Journal title :

Applied Optics

ISSN :

1559-128X

eISSN :

2155-3165

Publisher :

The Optical Society, United States

Volume :

Issue :

Pages :

1129 - 1133

Peer reviewed :

Peer Reviewed verified by ORBi

Additional URL :

https://www.osapublishing.org/viewmedia.cfm?URI=ao-10-5-1129&seq=0

Available on ORBi :

since 01 August 2023

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Bibliography

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In previous publications the quantity (A) has been described as the anharmonicity of solids. The term anharmonic factor is felt to be more appropriate and is used to discriminate between its present use and anharmonicity as used to describe third- and fourth-order terms in lattice vibrational potential
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