Nondestructive Structure Analysis of High-Strength Steel Wire for Suspension Bridge Engineering

Abstract:

High strength of drawn pearlitic steel wire is widely utilized in suspension bridge engineering. One of the most powerful nondestructive analysis methods on determining the dislocation character of this heavily cold worked material is the analysis in the broadening in the X–ray diffraction lines. In this letter, line-profile simulation based on Fourier analysis in the drawn steel wire is employed. The analytical process taking size and dislocation broadening into account provides the dislocation character on density and arrangement parameters, which is beyond effective over conventional metallographical approach.

• Periodical: Applied Mechanics and Materials (Volumes 174-177)
• Pages: 1415-1418
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.174-177.1415
• Online since: May 2012
• Authors: Fan Yang, Ying Ying Fan
• Keywords: Apparent Dislocation Density, Cold-Drawn Wire, Dislocation Arrangement Parameter, Fourier Line-Broadening Analysis, X-Ray Diffraction (XRD)

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