Abstract
The oxidation behavior of metals was studied by subjecting the metal sample to a linear temperature increase at constant oxygen pressure. The advantages of this method over previous isothermal methods are that (a) a rapid preliminary examination of the oxidation behavior of any metal or alloy over a desired temperature and pressure range can be made quickly, (6) the region of pressure dependence usually can be found in a single experiment, (c) the number of samples needed is greatly reduced, and (d) the method serves as a guide for isothermal measurements at constant pressure.The linear temperature increase method was applied to Ta, Nb, Mo, Cu, Zr, Mg, Ti, and W. Results are in good agreement with those of previous investigations made in this laboratory.Theoretical considerations show that the results could be explained by imposing the conditions of a linear temperature increase on a general type rate equation.
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