The development and characterization of ultra high GIGA ...
For the steel condition with a CT of 450 °C, QF, UB and a small amount of martensite appear as shown in Fig. 3 (c). Download : Download high-res image (469KB) Download : Download full-size image; Fig. 3. SEM micrographs of hot band coils at steel conditions of: (a) FRT:810 °C/CT:610 °C, (b) 810 °C/530 °C and (c) 810 °C/450 °C.