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  • P-ISSN 1225-0163
  • E-ISSN 2288-8985

Grain Structure Analysis in Rolled 1050 Al Alloy Sheets Using EBSD

Analytical Science and Technology / Analytical Science and Technology, (P)1225-0163; (E)2288-8985
2001, v.14 no.1, pp.50-58
Han, Jun-Hyun
Shin, Myung-Chul
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Abstract

The effect of cryogenic heavy rolling method on grain refinement has been studied and compared with those obtained by previous methods of cryogenic rolling and heavy rolling developed separately. Both grain structure and grain size were analyzed using electron back scattered diffraction (EBSD), which can distinguish grains each other by means of crystallographic misorientations between them. The cryogenic rolling and heavy rolling exhibit reduction in grain size of 39% and 87%, respectively, and the cryogenic heavy rolling shows reduced grain size similar to that observed in the heavy rolling. The heavy rolling was proved more effective in grain size refinement than the cryogenic rolling.

keywords
Cryogenic rolling, Heavy rolling, Grain refinement, EBSD, Thermo mechanical treatment


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