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Content available Determination of mechanical properties of P91 steel by means of magnetic Barkhausen emission
Makowska K., Kowalewski Z. L., Augustyniak B., Piotrowski L.
Journal of Theoretical and Applied Mechanics
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2014
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Vol. 52 nr 1
181--188
EN
In this work, an attempt at determination of mechanical properties by means of a method based on magnetic Barkhausen emission measurements was proposed. The specimens made of P91 steel were subjected to creep or plastic flow which were interrupted after a range of selected time periods in order to achieve specimens with an increasing level of strain. Subsequently, measurements of magnetic Barkhausen emission were carried out, and then static tensile tests were performed in order to check variations of basic mechanical parameters. It is shown that evident relationships between the yield point/ultimate tensile strength and some parameters of the Barkhausen emission exist.
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