Abstract

X-ray diffraction peak profile analysis is a powerful and convenient method to investigate the microstructural characteristics of plastically deformed materials. The selection of a suitable and reliable analysis method is critical to derive correct microstructural/material property values. Different techniques of the X-ray diffraction peak profile analysis have been used to study the microstructural parameters of plastically deformed iron powder viz., coherent domain size, dislocation density and their nature. In particular, the classical and modified Williamson-Hall method and the momentum method are used. The nature (screw or edge) of dislocations is also determined for the deformed steel using X-ray diffraction while the morphology was studied using scanning electron microscopy.

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