Manufacturing of high-strength and high-ductility pearlitic steel wires using noncircular drawing sequence비원형 신선을 이용한 고강도-고연성 펄라이트 강선의 제조

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In this study, a noncircular drawing (NCD) sequence for manufacturing high-strength and high-ductility pearlitic steel wires was investigated. Multipass NCD was conducted up to the 12th pass at room temperature with two processing routes (defined as the NCDA and NCDB), and compared with the wire drawing (WD). During the torsion test, delamination fracture in the drawn wire was observed in the 10th pass of the WD whereas it was not observed until the 12th pass of the NCDB. From X-ray diffraction, the circular texture component that increases the likelihood of delamination fracture of the drawn wire was rarely observed in the NCDB. Thus, the improved ability of the multipass NCDB to manufacture high-strength pearlitic steel wires with high torsional ductility compared to the WD (by reducing the likelihood of delamination fracture) was demonstrated.
Publisher
Korean Society of Mechanical Engineers
Issue Date
2014-07
Language
English
Article Type
Article
Citation

TRANSACTIONS OF THE KOREAN SOCIETY OF MECHANICAL ENGINEERS, A, v.38, no.7, pp.743 - 749

ISSN
1226-4873
DOI
10.3795/KSME-A.2014.38.7.743
URI
http://hdl.handle.net/10203/202949
Appears in Collection
ME-Journal Papers(저널논문)
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