Spinodal decomposition in Fe9.0Al30.5MnxC alloys

The as-quenched microstructure of iron)aluminum)manganese)carbon alloys with high C contents was investigated. Two Fe alloys containing 9% Al and 30.5% Mn were produced. Alloy A contained 1.36% C and alloy B contained 2.02% C. After air induction melting the alloys were hot forged and cold rolled to...

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Veröffentlicht in:	Scripta metallurgica et materialia 1993-09, Vol.29 (5), p.647-650
Hauptverfasser:	Chao, C.Y, Hwang, L.K, Liu, T.F
Format:	Artikel
Sprache:	eng
Schlagworte:	Applied sciences Cross-disciplinary physics: materials science rheology Exact sciences and technology Materials science Metals. Metallurgy Other heat and thermomechanical treatments Physics Treatment of materials and its effects on microstructure and properties
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Zusammenfassung:	The as-quenched microstructure of iron)aluminum)manganese)carbon alloys with high C contents was investigated. Two Fe alloys containing 9% Al and 30.5% Mn were produced. Alloy A contained 1.36% C and alloy B contained 2.02% C. After air induction melting the alloys were hot forged and cold rolled to a thickness of 2.0 mm. The sheets were solution treated and quenched. Optical micrography showed that the microstructures of both alloys was austenite plus carbides. The (Fe,Mn) sub 3 AlC sub 3 carbides were formed within the austenite matrix during quenching by spinodal decomposition.
ISSN:	0956-716X
DOI:	10.1016/0956-716X(93)90412-L