Physics, asked by sagarraut8698, 1 year ago

Define microscopy to determine the microstructure of steel

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Answered by shree705
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Microstructural characterization of modified 25Cr–35Ni centrifugally cast steel furnace tubes

Luiz Henrique de Almeida, Andre Freitas Ribeiro, Iain Le May

Materials Characterization 49 (3), 219-229, 2002

HP steels modified with Nb and Nb-plus-Ti, produced in the form of centrifugally cast tubes, were characterized by means of light optical microscopy, scanning electron microscopy (SEM) with secondary and backscattered electron imaging, and transmission electron microscopy (TEM) with energy-dispersive spectroscopy (EDS) and selected area diffraction. A complete description of the phases present in the as-cast, welded, and aged condition was made as a function of the modifying elements. The chromium carbide stoichiometry, secondary

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