PSI - Issue 14

P Ponguru Senthil et al. / Procedia Structural Integrity 14 (2019) 729–737 Author name / Structural Integrity Procedia 00 (2018) 000 – 000

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α

γ

(a)

γ

α

(b)

Fig.5. TEM bright field image and corresponding diffraction pattern of (a) B1 and (b) B1Nb.

Fig.6. EBSD phase map of (a) B1 and (b) B1Nb. The filmy austenite is beneficial because of its higher carbon content and mechanical stability compared to bulk retained austenite. Refinement of the blocky retained also results in improved mechanical properties (Avishan et al