Equation based on model of flaw growth. Model assumes cell fails by growth of preexisting flaws. Flaws described by three important quantities: total number of flaws, distribution of flaw sizes and rate of flaw growth. When flaw reaches critical size failure occurs. Flaw concept, in addition to providing ready explanation for reduced lifetime, predicts two important charateristics: statistical variability of lifetime data and dependence of lifetime on volume of sample.
Estimating the Lifetimes of Nickel/Cadmium Cells
NASA Tech Briefs ; 8 , 2
01.11.1984
Sonstige
Keine Angabe
Englisch
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