The Transformation Temperatures of High-Purity Uranium. Work Completed PDF Download
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Author: Publisher: ISBN: Category : Languages : en Pages :
Book Description
The transformation temperatures of high-purity uranium were determined by thermal analysis and dilatometry. Thermal analysis methods used include one in which the rates of heating and cooling were controlled by a differential thermocouple, and another in which repeated thermal analyses were made at independently controlled rates. The solid-state transformation temperatures and the logarithm of the heating or cooling rates at relatively low rates are related linearly. The extrapolated functions intersect at a point where the disturbing effects of hysteresis, superheating and undercooling disappear, i.e., at the equilibrium temperature. The mean transformation temperatures are 667 deg C for alpha in equilibrium beta and 775 deg C for beta in equilibrium gamma . The mean temperature for melting and freezing is 1132 deg C. (auth).
Author: Publisher: ISBN: Category : Languages : en Pages :
Book Description
The transformation temperatures of high-purity uranium were determined by thermal analysis and dilatometry. Thermal analysis methods used include one in which the rates of heating and cooling were controlled by a differential thermocouple, and another in which repeated thermal analyses were made at independently controlled rates. The solid-state transformation temperatures and the logarithm of the heating or cooling rates at relatively low rates are related linearly. The extrapolated functions intersect at a point where the disturbing effects of hysteresis, superheating and undercooling disappear, i.e., at the equilibrium temperature. The mean transformation temperatures are 667 deg C for alpha in equilibrium beta and 775 deg C for beta in equilibrium gamma . The mean temperature for melting and freezing is 1132 deg C. (auth).
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Author: B. Blumenthal
Author: Pol Duwez
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Author: United States. National Bureau of Standards
Author: Harold H. Klepfer
Author: United States. Bureau of Mines
Author: Albert R. Kaufmann
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