The Relative Contribution of Different Nucleation Sources to Recrystallization Textures of a Cold Rolled Aluminum-Magnesium Alloy

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著者

    • RABET L
    • Department of Civil Engineering-Materials Laboratory, Royal Military Academy

抄録

Development of recrystallization texture was studied as a function of annealing temperature in a cold-rolled alloy AA5182. A noticeable decrease in rolling texture orientations was observed with increasing annealing temperatures. Particle deformed zones and deformed bands served as the respective sources for PSN (particle stimulated nucleation) and non-PSN nucleation. Although no significant difference between approximate growth rates of different orientations were observed, our studies indicated that PSN grains nucleated first. Thus, increased annealing temperatures favored PSN nucleation, but did not change the number of PSN grains in the rolling texture orientations. In other words, the relative randomization of texture at higher annealing temperatures was mainly caused by reduced non-PSN nucleation and not by changes in the orientations of PSN grains. The global recrystallization textures were simulated from the weighted sum of the PSN and non-PSN nuclei.

収録刊行物

  • ISIJ international

    ISIJ international 38(6), 539-546, 1998-06-15

    The Iron and Steel Institute of Japan

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