Reaction Between Plutonium and Deuterium. Part II. Rate Measurements by Weight Changes PDF Download
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Author: Publisher: ISBN: Category : Languages : en Pages :
Book Description
The effects of pressure and temperature upon the rate and mechanism of the reaction between plutonium and deuterium have been studied for temperatures to 400°C at pressures from 1 to 15 kPa. The rate was determined by measuring the weight changes of plutonium disks as the reaction proceeded. Below 200°C the reaction product spalled to expose fresh metal. The equation R = k/sub T/AP°.6 fits the data, where the rate R is the milliequivalents of deuterium reacting per hour, A is the geometrical surface area, P is the deuterium pressure, and k/sub T/ is the velocity constant at temperature T. The energy of activation for the spalling reaction is 5.9 kcal . mol−1 for PuD2.--. Between 250 and 400°C the product adhered to the parent metal to form a growing layer. The equation R = k/sub T/*AP/.delta. W fits the rate data, where R, A, and P are defined above, .delta. W is the measured weight change in milliequivalents of deuterium, and k/sub T/* is the velocity constant at temperature T.
Author: Publisher: ISBN: Category : Languages : en Pages :
Book Description
The effects of pressure and temperature upon the rate and mechanism of the reaction between plutonium and deuterium have been studied for temperatures to 400°C at pressures from 1 to 15 kPa. The rate was determined by measuring the weight changes of plutonium disks as the reaction proceeded. Below 200°C the reaction product spalled to expose fresh metal. The equation R = k/sub T/AP°.6 fits the data, where the rate R is the milliequivalents of deuterium reacting per hour, A is the geometrical surface area, P is the deuterium pressure, and k/sub T/ is the velocity constant at temperature T. The energy of activation for the spalling reaction is 5.9 kcal . mol−1 for PuD2.--. Between 250 and 400°C the product adhered to the parent metal to form a growing layer. The equation R = k/sub T/*AP/.delta. W fits the rate data, where R, A, and P are defined above, .delta. W is the measured weight change in milliequivalents of deuterium, and k/sub T/* is the velocity constant at temperature T.
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Author: David F. Bowersox
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Author: Los Alamos National Laboratory
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Author: Los Alamos Scientific Laboratory
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