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Fe, Ni 30, C 0.3 (wt%), quenched - martensite plates

By University of Cambridge DoITPoMS and University of Cambridge Department of Materials Science and Metallurgy Prof T W Clyne


This sample was quenched to -80 °C to give a metastable martensitic microstructure. The martensite plates show a lenticular morphology as the material attempts to shear as it transforms but is unable to open up voids at the grain boundaries. The plates form in a similar way to mechanical twins but the shear processes lead to changes in crystal structure as well as crystallographic orientation.

Topics: alloy, carbon, iron, martensite, metal, metastable, nickel, quenching, doitpoms, university of cambridge, micrograph, corematerials, ukoer, Engineering, H000
Publisher: University of Cambridge
Year: 2010
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Provided by: Jorum Open
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