Intro to Austenite h 上游充通大粤 SHANGHAI JIAO TONG UNIVERSITY 1538 Aδ+L 1495℃ 1500 B 1394 L Y+L 1227℃ 1148℃ C L+Fe:C Y E Mother of pearl 1000 G I 912 Y+Fe;C As Acml I727C(A1) AP 1 +FeC I 1 500 I L 00.02 0.77 2.11 4.30 6.69 Fe Fe;C C Concentration / Pearlite K.Chen 6K. Chen Intro to Austenite 6 C Concentration /% Temperature /ºC Pearlite Mother of pearl