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DYNAMIC LOAD AND THE PLASTIC DEFORMATION OF WELDSMADE WITH MICRO-JET COOLING

1 HADRYŚ Damian
Institution:
1 University of Occupational Safety Management in Katowice, Bankowa Street, 40-007 Katowice, Poland, EU, dhadrys@wszop.edu.pl
Conference:
26th International Conference on Metallurgy and Materials, Hotel Voronez I, Brno, Czech Republic, EU, May 24th - 26th 2017
Proceedings:
Proceedings 26th International Conference on Metallurgy and Materials
Pages:
795-801
ISBN:
978-80-87294-79-6
ISSN:
2694-9296
Published:
9th January 2018
Proceedings of the conference were published in Web of Science and Scopus.
Metrics:
320 views / 180 downloads
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Abstract

Steel construction needs to present high plastic properties especially during dynamic load. It is necessary for impact conditions. The way to improve of plastic properties of welds is welding with micro-jet cooling. It is a innovative method of welding. After welding with micro-jet cooling the microstructure of weld presents the high content of acicular ferrite in weld metal deposit. It allows to obtain a high values of the plastic properties. In this paper influence of the micro-jet streams number and the kind of cooling gas on plastic deformation of welds was presented. The aim of the paper is comparison of plastic properties of welds made with and without micro-jet cooling.

Keywords: Welding, micro-jet cooling, dynamic load, plastic properties

© This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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