Method for determining the radiation threshold of non-metallic m

Details Method for determining the radiation threshold of non-metallic m Method for determining the radiation threshold of non-metallic m

1984-12-18

1986-12-02

Hix, L. T.

Boots, shoes, and leggings

364550, G06F 1552, G01T 1167

Patent

active

046270060

ABSTRACT:
An improved method for determining the nuclear radiation threshold of a non-metallic material with the aid of a computer is disclosed, in which differently irradiated samples of the material are subjected to thermogravimetric analysis. From the resultant pyrolytic weight-loss, temperature and elapsed time data, the reaction rates are determined for different orders of reaction values and are plotted against inverse temperature values to obtain the activation energy corresponding to each sample. By plotting activation energy against radiation dose for each sample, the radiation threshold of the material is obtained.

REFERENCES:
patent: 3524983 (1970-08-01), Voelz
Calculation of Thermogravimetric Data by Electronic Digital Computer, J. R. Soulen, Analytical Chemistry, vol. 34, No. 1, Jan. 1962, p. 136.
Use of the Computer to Calculate Thermodynamic Constants from Thermogravimetric Curves, J. Schempf et al., Pennsylvania State University, Analytical Chemistry, vol. 38, No. 3, Mar. 1966, p. 520.
The Effect of Nuclear Radiation on the Mechanical, Weight Loss, and Electrical Properties of Sterling Resins, Varnishes and Compounds, G. B. Fleeson, Sterling Technical Report presented at the Electrical/Electronics Insulation Conference in Chicago, Illinois, in Oct. of 1983.

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