ARTICLE
Determination of mechanical properties of P91 steel by means of magnetic Barkhausen emission
1
Motor Transport Institute, Warsaw, Poland
2
Institute of Fundamental Technological Research Polish Academy of Sciences, Warsaw, Poland and Motor Transport Institute, Warsaw, Poland
3
Gdansk University of Technology, Gdańsk, Poland
Journal of Theoretical and Applied Mechanics 2014;52(1):181-188
KEYWORDS
ABSTRACT
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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| eISSN: | 2543-6309 |
| ISSN: | 1429-2955 |
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