Paper Title:
In Situ Observation and Anisotropy of Free Surface Roughening for Polycrystalline Metals
  Abstract

To understand the free surface roughening phenomena of polycrystalline metals, the surface roughening behaviors of three kinds of metal sheets were investigated under uniaxial tension. The materials used were AZ31 magnesium alloy, SPFC 590Y steel, and A5052-O aluminum alloy. In the in-situ observation of surface roughening for AZ31 magnesium alloy, it seemed that the surface of each grain roughened independently and the roughness increases with increasing plastic strain. In contrast to A5052-O and SPFC, the anisotropy of free surface roughening was observed for AZ31 magnesium alloy. Compared with planar anisotropy , the microscopic anisotropy of surface roughening is not related to . In AZ31 magnesium alloy, the anisotropy of surface roughening arises and, instead of the r-value, another parameter is needed to evaluate the anisotropy of free surface roughening.

  Info
Periodical
Edited by
Jun Wang,Philip Mathew, Xiaoping Li, Chuanzhen Huang and Hongtao Zhu
Pages
450-455
DOI
10.4028/www.scientific.net/KEM.443.450
Citation
T. Furushima, T. Masuda, K. Manabe, "In Situ Observation and Anisotropy of Free Surface Roughening for Polycrystalline Metals ", Key Engineering Materials, Vol. 443, pp. 450-455, 2010
Online since
June 2010
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$32.00
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