Effect of aluminium on TRIP FeMnAl alloy steels at room temperature

FeMnAl alloy steel has undergone many significant developments during the past few years, and it is considered to be a steel of high strength and toughness. Studies and test results have shown that FeMnAl is a good potential replacement for conventional stainless steels which contain expensive n...

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Bibliographic Details
Published in:Materials science & engineering. A, Structural materials : properties, microstructure and processing Structural materials : properties, microstructure and processing, 1993-02, Vol.160 (2), p.261-270
Main Authors: Chen, F.C., Chou, C.P., Li, P., Chu, S.L.
Format: Article
Language:English
Subjects:
Applied sciences
Exact sciences and technology
Mechanical properties and methods of testing. Rheology. Fracture mechanics. Tribology
Metals. Metallurgy
Other mechanical properties
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Summary:FeMnAl alloy steel has undergone many significant developments during the past few years, and it is considered to be a steel of high strength and toughness. Studies and test results have shown that FeMnAl is a good potential replacement for conventional stainless steels which contain expensive nickel and chromium additions. Recently, it has been found that strain-induced martensitic transformation at room temperature is possible in austenitic FeMnAl alloy. Further study has shown that the α′ martensite can improve the mechanical properties of these FeMnAl alloys. However, as the aluminium content increases, the strain-induced phase transformation is inhibited. Moreover, the mechanical properties of these materials are very dependent on the aluminium content.
ISSN:0921-5093
1873-4936
DOI:10.1016/0921-5093(93)90455-N