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Isothermal Transformation Diagrams
pearlite (medium). During the rapid cooling to 450°C no transformations occur. At 450°C we start timing again at zero time; while holding at 450°C for 10 s, approximately 50 percent of the remaining unreacted 50% (or 25% of ... to martensite, such that the final microstructure is 100% martensite. (e) Cool rapidly to 400°C (750°F), hold for ...
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