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FATIGUE PROPERTIES OF WEAR RESISTANT MARTENSITIC STEEL

1 ULEWICZ Robert
Co-authors:
2 SZATANIAK Paweł 3 NOVY Frantisek
Institutions:
1 Czestochowa University of Technology, Faculty of Management, Institute of Engineering Production, Czestochowa, Poland, EU, ulewicz@zim.pcz.pl
2 WIELTON S.A., Wielun, Poland, EU, pawel.szataniak@pamapol.com
3 Department of Materials Engineering, University of Zilina, Zilina, Slovakia, EU, frantisek.novy@fstroj.uniza.sk
Conference:
23rd International Conference on Metallurgy and Materials, Hotel Voronez I, Brno, Czech Republic, EU, May 21 - 23, 2014
Proceedings:
Proceedings 23rd International Conference on Metallurgy and Materials
Pages:
784-789
ISBN:
978-80-87294-52-9
ISSN:
2694-9296
Published:
18th June 2014
Proceedings of the conference were published in Web of Science and Scopus.
Metrics:
310 views / 451 downloads
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Abstract

In the automotive industry about 60% of mass of the car continue to represent structural elements, formed of steel plates of increasing strength while maintaining good plastic characteristics and susceptibility to stamping. Constructors seek to reduce the mass of cars and semi-trailers and it is possible through the use of fine- grained and quench and tempered high strength steels. An important factor that guarantees safety of use is the knowledge about safe operation life. In order to answer to this question are needed relevant studies including fatigue tests. The article presents the results of fatigue tests in the range of low and high cycle fatigue of wear-resistant quenched and tempered martensitic steel on example of Hardox steel 400 and 450. There is also discussed the influence of grain size on the shape of fatigue curves. Obtained results of wear resistant martensitic steels are compared with the results of fatigue tests of S355J2 structural steel.

Keywords: Hardox, wear resistant steel, fatigue, trailers construction

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