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ANNEALING STUDIES OF PURE AND ALLOYED TANTALUM EMPLOYING ROCKING CURVES

To control the mechanical response of pure and alloyed tantalum requires tailoring the microstructure by carefully controlling thermo-mechanical processing. In this investigation X-ray rocking curves were employed to characterize the microstructure and further the understanding of the mechanisms of annealing. Plate material produced from the alloyed tantalum demonstrated annealing stages 300oC higher than the pure tantalum. Activation energies determined from the rocking curve data were onehalf to one third of the self-diffusion activation energy.