Fig. 3From: EPMA quantification on the chemical composition of retained austenite in a Fe-Mn-Si-C-based multi-phase steelCalibration curves under the condition of 20 keV, 3 × 10− 7 A, 1.1 μm (beam diameter), and 30 ms (dwell time); a C Kα, b Mn Kα, and c Si KαBack to article page