Investigation of Acicular Ferrite Structure and Properties of C-Mn-Al-Ti-N Steels

Author:

Uzlov O.1,Malchere A.2,Bolshakov V.I.1,Esnouf Claude3

Affiliation:

1. Pridneprovsk State Acadeny of Civil Engineering and Architecture

2. Université de Lyon

3. INSA de Lyon, GEMPPM CNRS

Abstract

Low carbon-manganese wrought steels with addition of Ti-Al-N have been treated in order to obtain acicular ferrite structure. The microstructure of fine acicular ferrite nucleated intragranularly on Ti(C,N)+AlN and Ti(C,N)+AlN+MeS inclusions has showed high strength and toughness at low temperatures.

Publisher

Trans Tech Publications, Ltd.

Subject

General Engineering

Reference12 articles.

1. H.K.D. H Bhadeshia Bainite in Steels, The University Press, Cambridge, 2001, 454 p.

2. Mori N., Homma H., Ohkita S., Wakabayashi M., International Institute of Welding, Document IX-1196-80 (1980).

3. Horii Y., et al., Nippon Steel Technical Report, Nippon Steel Company, Japan (1986) pp.1-9.

4. Horii Y., et al., Nippon Steel Technical Report No 37, Nippon Steel Company, Japan (1988) pp.1-9.

5. Okabe R., Koshizuka N., Tanaka M., Katamine A., San-Nomiya Y., Trans. ISIJ 23 (1983), p.390.

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