Structural evolution of the aging of martensite in duplex Fe-Mn-Al-C alloy
- National Tsing Hua Univ., Hsinchu (Taiwan, Province of China)
It is known that the strength of steel can be increased due to the existence of the martensite, but the martensite makes the steel very brittle. Therefore, the as-quenched Fe-Mn-Al-C alloy may note be suitable for any constructional usage. The full austenite phase of Fe-Mn-Al-C alloy has good mechanical properties, and it has been used as a bulletproof plate of tank. Aging of martensite may improve the toughness of the Fe-Mn-Al-C alloy, and may get a good combination of strength and toughness of the Fe-Mn-Al-C alloy, and may get a good combination of strength and toughness. It is interesting to the authors whether the mechanical properties of aged martensite will be as good as or even better than the full austenite alloy. Compared with the as-quenched Fe-Al-Mn-C martensite, there is only little information about the aging behavior of the martensite phase. The purpose of this work is to study the structural evolution of the martensite phase after aged at high temperature. The mechanical properties of aged martensite will be reported in a future publication.
- OSTI ID:
- 237806
- Journal Information:
- Scripta Metallurgica et Materialia, Journal Name: Scripta Metallurgica et Materialia Journal Issue: 8 Vol. 33; ISSN SCRMEX; ISSN 0956-716X
- Country of Publication:
- United States
- Language:
- English
Similar Records
Design of an Fe--12Mn--0. 2Ti alloy steel for low temperature use
The use of microstructure control to toughen ferritic steels for cryogenic use. II. Fe--Mn steels