Abstract
The oxidation of Nb-1 Zr alloy was investigated by continuous weight gain measurements in the temperature range from 400°F to 2200°F. The majority of these tests were conducted in flowing, dry air, although several tests were made in argon atmospheres contaminated with room air at levels of one and 5% oxygen (10,000 and 50,000 p.p.m.). Oxidation rates, kinetic relationships, total oxygen contamination values and temperature coefficients of the linear oxidation rates are presented in tabulated and graphical form. The effects of specimen geometry and physical condition of the alloy were examined by testing specimens of various shapes in the cast, cold reduced, and recrystallized conditions. The results obtained in this investigation are compared with previous work on pure niobium.
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