TY - JOUR
T1 - Microstructure and mechanical properties of a medium manganese steel treated with interrupted quenching and intercritical annealing
AU - Tsuchiyama, Toshihiro
AU - Inoue, Taishi
AU - Tobata, Junya
AU - Akama, Daichi
AU - Takaki, Setsuo
N1 - Publisher Copyright:
© 2016 Elsevier Ltd.
PY - 2016/9/1
Y1 - 2016/9/1
N2 - An Fe-5Mn-0.1C alloy was subjected to interrupted quenching, which involves quenching to a temperature between the martensite start temperature (Ms) and finish temperature (Mf), and subsequent intercritical annealing. This resulted in the formation of a unique multi-phase structure consisting of tempered martensite, two types of retained austenite, namely granular and film-like, and fresh martensite. The film-like austenite was observed in the area swept by the untransformed austenite/tempered martensite interface, which is formed during intercritical annealing. Tensile testing revealed that the fresh martensite was effective for increasing the strength, whilst adequate ductility was achieved owing to the transformation-induced plasticity (TRIP) effect.
AB - An Fe-5Mn-0.1C alloy was subjected to interrupted quenching, which involves quenching to a temperature between the martensite start temperature (Ms) and finish temperature (Mf), and subsequent intercritical annealing. This resulted in the formation of a unique multi-phase structure consisting of tempered martensite, two types of retained austenite, namely granular and film-like, and fresh martensite. The film-like austenite was observed in the area swept by the untransformed austenite/tempered martensite interface, which is formed during intercritical annealing. Tensile testing revealed that the fresh martensite was effective for increasing the strength, whilst adequate ductility was achieved owing to the transformation-induced plasticity (TRIP) effect.
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U2 - 10.1016/j.scriptamat.2016.05.019
DO - 10.1016/j.scriptamat.2016.05.019
M3 - Article
AN - SCOPUS:84971357201
VL - 122
SP - 36
EP - 39
JO - Scripta Materialia
JF - Scripta Materialia
SN - 1359-6462
ER -