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Carbon heterogeneities in austenite during Quenching & Partitioning (Q&P) process revealed by in situ High Energy X-Ray Diffraction (HEXRD) experiments

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Academic year: 2021

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Figure 1: FWHM of the (220) diffraction peak of austenite (black and grey lines) and the fraction of austenite (red line) as a function of the temperature (a) and time (b) respectively
Figure 2: (a) Austenite (220) diffraction peaks (intensity vs. diffraction angle) corresponding to four critical times
Figure 3: (220) diffraction peaks of austenite corresponding to the four critical times identified in Figure 2
Table 1: Comparisons between the mean/max carbon compositions measured by APT [9] and HEXRD (this paper) on two samples, after 0s and 200s of partitioning respectively

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