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Martensite Start Temperature
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Continuous Cooling Transformation (CCT) Diagrams
www.phase-trans.msm.cam.ac.uk, Martensite finish temperature M 50, 50% Martensite M S, Martensite start temperature Metastable austenite +martensite Martensite HRC e Log time A e1 t o =Minimum incubation period at the nose of the TTT diagram, t’ o =minimum incubation period at the nose of the CCT diagram t 0 A F E D C B Distance from quench end B A E D C F Jominy sample ...
Isothermal Transformation Diagrams - University of Portland
faculty.up.eduAnd upon cooling to room temperature, the remaining 25% of the original specimen transforms to martensite. Hence, the final microstructure consists of about 50% pearlite (medium), 25% bainite, and 25% martensite. (d) Cool rapidly to 400°C (750°F), …