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Effect of Alloying Element on Mechanical Properties of High Strength Austenitic Steel
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A high strength austenitic steel is expected as a structural material for cryogenic use because fcc material does not cause a cleavage fracture despite high strength. High manganese steel which is a strong candidate material of the cryogenic high strength austenitic steel was originally famous for the Hadfield steel and widely applicable in actual use. In general, an excellent cryogenic toughness of the high manganese steels is achieved by obtaining stable fcc microstructure with an adequate amount manganese which is a typical austenite former alloy. However, as addition of manganese is not effective for increasing strength, other strengthening alloying elements like carbon and chromium need to be added. In this study, an effect of alloying elements on strength and cryogenic toughness of the high manganese austenitic steel is studied.
Trans Tech Publications, Ltd.
Title: Effect of Alloying Element on Mechanical Properties of High Strength Austenitic Steel
Description:
A high strength austenitic steel is expected as a structural material for cryogenic use because fcc material does not cause a cleavage fracture despite high strength.
High manganese steel which is a strong candidate material of the cryogenic high strength austenitic steel was originally famous for the Hadfield steel and widely applicable in actual use.
In general, an excellent cryogenic toughness of the high manganese steels is achieved by obtaining stable fcc microstructure with an adequate amount manganese which is a typical austenite former alloy.
However, as addition of manganese is not effective for increasing strength, other strengthening alloying elements like carbon and chromium need to be added.
In this study, an effect of alloying elements on strength and cryogenic toughness of the high manganese austenitic steel is studied.
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