Institute of Metals Division - Some Properties of Vanadium at Subatmospheric Temperatures (TN)

The American Institute of Mining, Metallurgical, and Petroleum Engineers
J. A. Hren C. M. Wayman
Organization:
The American Institute of Mining, Metallurgical, and Petroleum Engineers
Pages:
2
File Size:
110 KB
Publication Date:
Jan 1, 1961

Abstract

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RECENT investigators have noted anomalous behavior in the electrical resistivity of vanadium below room temperature. Rostoker and Yamamoto1 in studying the vanadium-oxygen system hypothesized that the body-centered-tetragonal phase existing from 15 to 34 at. pet O at approximately 800°K was really a low-temperature allotrope of vanadium that was stabilized by oxygen. In measuring the electrical resistance of cold-swaged vanadium rod over a range of temperatures, a small discontinuity was observed at approximately 240°K, supporting their notion of allotropy. However, the magnitude of the observed discontinuity was extremely small. Loomis and Carlson2 in studying the ductile-brittle transition in vanadium also made resistance measurements and reported a discontinuity near 200°K. More recently, White and Woods3 showed that the electrical resistivity from room temperature to approximately 100 °K was not linear and at variance with the Bloch-Griineisen law. Instead of finding a discontinuity, they observed a deviation from linearity below 200°K. In discussing their results they pointed
Citation

APA: J. A. Hren C. M. Wayman  (1961)  Institute of Metals Division - Some Properties of Vanadium at Subatmospheric Temperatures (TN)

MLA: J. A. Hren C. M. Wayman Institute of Metals Division - Some Properties of Vanadium at Subatmospheric Temperatures (TN). The American Institute of Mining, Metallurgical, and Petroleum Engineers, 1961.

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