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Published August 2001 | Version v1
Journal article

Effect of aging and cold rolling on the microstructure and mechanical properties of a new Fe-Mn-Al-Cr-C duplex alloy

  • 1. University of Blida. Institute of Mechanical Engineering, Department of Materials, Science and Engineering (Algeria)

Description

The microstructural changes that occur during aging and cold rolling of a new Fe-Mn-Al-Cr-C duplex alloy have been investigated. Two treatments were developed to produce either a good combination of tensile strength and ductility (σu=800 MPa, σy=525 MPa, and A=46%) or a high strength (σu=1340 MPa, σy=1200 MPa, and A=15%) with a ductile type of fracture after aging at 320 °C. Aging between 550 °C and 700 °C led to a significant decrease in strength and ductility due to the precipitation of the brittle βMn phase. However, aging above 750 °C showed a considerable increase in strength and ductility due to the precipitation of very fine grains of ferrite within the austenite phase.

Additional details

Identifiers

Publishing Information

Journal Title
Journal of Materials Engineering and Performance
Journal Volume
10
Journal Issue
4
Journal Page Range
p. 405-409
ISSN
1059-9495
CODEN
JMEPEG

Optional Information

Copyright
Copyright (c) 2001 © ASM International 2001