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The Elastic Constants of Tantalum Tungsten and Molybdenum

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Author
Featherston, Frank H.
Date
1963
Advisor
Neighbours, John R.
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Abstract
The three elastic constants of tantalum, tungsten and molybdenum have been measured in the temperature range between 4.2 and 300 K. The directly measured quantities C and —(C^-C. J for molybdenum and the computed bulk moduli of all three 'elements show an anomalous temperature dependence. These data along with published results for other metals generally show a difference in temperature dependence of the bulk modulus between 3d and 4d-5d metals. Overlap contributions to the elastic constants are found to favor an antiferromagnetic ordering. The Debye characteristic temperatures calculated from elastic constants are found to be in substantial agreement with results obtained from calorimetry.
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This publication is a work of the U.S. Government as defined in Title 17, United States Code, Section 101. Copyright protection is not available for this work in the United States.
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https://hdl.handle.net/10945/7612
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