Heat treatment of high manganese type X57MnAl27-5 austenitic steel

In the paper, the influence of heat treatment parameters on microstructure and mechanical properties of high manganese type X57MnAl27-5 austenitic steel was investigated. The as-forged bar with diameter of 15 mm were underwent a saturation process at six different temperatures. The microstructural c...

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Bibliographic Details
Published in:IOP conference series. Materials Science and Engineering 2011-05, Vol.22 (1), p.012014-6
Main Authors: Jabłońska, M, Śmiglewicz, A, Niewielski, G, Hetmańczyk, M
Format: Article
Language:English
Subjects:
Austenite
Austenitic stainless steels
Grain size
Heat treating
Heat treatment
Manganese
Mechanical properties
Microstructure
Morphology
Process parameters
Saturation
Steels
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Summary:In the paper, the influence of heat treatment parameters on microstructure and mechanical properties of high manganese type X57MnAl27-5 austenitic steel was investigated. The as-forged bar with diameter of 15 mm were underwent a saturation process at six different temperatures. The microstructural changes of austenite and the influence of heat treatment on the mechanical properties were considered. The quantitative analysis of austenite phase of the examined steel indicated that the parameters of saturation process resulted in changes of morphology and grain size of austenite. It was revealed that treatment temperature in the range of 950 °C-1100 °C slightly influenced grain size, stress limit and hardness of the investigated steel. Treatment at temperature higher than 1150 °C resulted in the growth of austenite grain size and the decrease of mechanical properties.
ISSN:1757-899X
1757-8981
1757-899X
DOI:10.1088/1757-899X/22/1/012014