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Fabrication of nanostructured pearlite steel wires using electropulsing

Qin, Rongshan; Luo, Yongkun; Elliott-Bowman, Bernadette and Omoigiade, Osamudiamen (2018). Fabrication of nanostructured pearlite steel wires using electropulsing. Materials Science and Technology, 34 pp. 29–34.

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This work reports the refinement of pearlite structure into nanostructure using electropulsing. Nanostructured pearlitic steel wires possess nanoscale lamellae or nanoscale grain microstructures. Fabrication of nanostructures by severe plastic deformation and lamellar to grain transformation have been investigated. It is suggested that an aligned pearlite structure is preferred in severe plastic deformation. The lamellar to grain transformation is controlled by diffusion of carbon within cementite and also from cementite to ferrite phases. Carbon mobility is changed by mechanical, thermal and electrical states. The interface between nanoscale sub-grains in the ferrite phase has considerable carbon content. Numerical calculations and experimental observations demonstrated these mechanisms.

Item Type: Journal Item
Copyright Holders: 2017 Institute of Materials, Minerals and Mining
ISSN: 1743-2847
Project Funding Details:
Funded Project NameProject IDFunding Body
Not SetNot SetPohang Iron and Steel Company (POSCO)
Not Set1322018TATA Steel
Not SetDSTLX1000064117Defence Science and Technology Laboratory
Keywords: Steel wires; pearlite; nanostructure
Academic Unit/School: Faculty of Science, Technology, Engineering and Mathematics (STEM) > Engineering and Innovation
Faculty of Science, Technology, Engineering and Mathematics (STEM)
Item ID: 49431
Depositing User: Rongshan Qin
Date Deposited: 19 May 2017 10:30
Last Modified: 04 Jan 2018 14:49
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