Journal of Japan Institute of Light Metals
Online ISSN : 1880-8018
Print ISSN : 0451-5994
ISSN-L : 0451-5994
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Volume 64, Issue 5
Displaying 1-4 of 4 articles from this issue
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RESEARCH ARTICLE
  • Effects of seam weld on high temperature deformation behavior in an extruded 6N01 aluminum alloy
    Shinya Yasuda, Ken Atsuta, Satoshi Wakaguri, Koji Ichitani, Akira Hibi ...
    Article type: RESEARCH ARTICLE
    2014 Volume 64 Issue 5 Pages 191-194
    Published: May 30, 2014
    Released on J-STAGE: June 30, 2014
    DOIhttps://doi.org/10.2464/jilm.64.191
    JOURNAL FREE ACCESS
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    An aluminum alloy hollow extrusion made with a porthole-die has a few seam welds. It is known that the deformation behavior of a weld region is different from that of a non-weld region at room temperature. In the present study, the influence of a seam weld on the high temperature deformation of a 6N01 aluminum alloy extrusion bar was investigated. The elongation of the alloy with the seam weld was significantly lower than that of the alloy without it. This was because the alloy with the seam weld started local necking at a very early stage of deformation. An orientation analysis with an electron backscatter diffraction suggested that a difference in recrystallization texture between weld and non-weld regions would accelerate the start of local necking.
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