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ŠVEJCAR, J. JULIŠ, M. KLAKURKOVÁ, L. GEJDOŠ, P. ZIKMUND, T.
Original Title
Analysis of Causes of Defects Appearance in Wire Drawing
Type
conference paper
Language
English
Original Abstract
In the manufacture of wires designed for the welding of low-alloy fine-grain steels, multiple internal discontinuities appear during some periods that are the cause of major failures (cracking) of the wires. To establish the causes of this phenomenon, a complex analysis was performed making use of light and electron microscopy, metallography, microfractography, computerized tomography and hardness measurement. The analysis revealed that wire cracking in course of wire drawing was due to the superposition of the effects of an inappropriate structure of the initial intermediate product (the presence of polyhedral grains of hard bainitic phase) and unsuitable conditions of the forming process.
Keywords
Wires; Cold-drawing; Cracking; Islets of bainite
Authors
ŠVEJCAR, J.; JULIŠ, M.; KLAKURKOVÁ, L.; GEJDOŠ, P.; ZIKMUND, T.
Released
16. 11. 2020
Publisher
Trans Tech Publications Ltd
Location
Switzerland
ISBN
1662-9507
Periodical
Defect and Diffusion Forum
Year of study
405
State
Swiss Confederation
Pages from
217
Pages to
222
Pages count
6
URL
https://www.scientific.net/DDF.405.217
BibTex
@inproceedings{BUT166009, author="Jiří {Švejcar} and Martin {Juliš} and Lenka {Klakurková} and Pavel {Gejdoš} and Tomáš {Zikmund}", title="Analysis of Causes of Defects Appearance in Wire Drawing", booktitle="Metallography and Fractography 2019", year="2020", journal="Defect and Diffusion Forum", volume="405", pages="217--222", publisher="Trans Tech Publications Ltd", address="Switzerland", doi="10.4028/www.scientific.net/DDF.405.217", issn="1662-9507", url="https://www.scientific.net/DDF.405.217" }