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Conference paper

Structural Parameters and Strengthening Mechanisms in Cold-Drawn Pearlitic Steel Wires

In Abstract Book — 2012
From

Department of Wind Energy, Technical University of Denmark1

Materials science and characterization, Department of Wind Energy, Technical University of Denmark2

Tsinghua University3

Pearlitic steel wires have a nanoscale structure and a strength which can reach 5 GPa. In order to investigate strengthening mechanisms, structural parameters including interlamellar spacing, dislocation density and cementite decomposition, have been analyzed by transmission electron microscopy and high resolution electron microscopy in wires cold drawn up to a strain of 3.7.

Three strengthening mechanisms, namely boundary strengthening, dislocation strengthening and solid solution hardening have been analyzed and good agreement has been found between the measured flow stress and the value estimated based on an assumption of linear additivity of the three contributions.

Language: English
Year: 2012
Proceedings: 141st TMS Annual Meeting & Exhibition: Ultrafine Grained Materials 7 Young Scientist
Types: Conference paper
ORCIDs: Zhang, Xiaodan and Huang, Xiaoxu

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