2020
DOI: 10.3390/ma13173862
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Static Softening Behavior and Modified Kinetics of Al 2219 Alloy Based on a Double-Pass Hot Compression Test

Abstract: In this paper, the static softening mechanism of a 2219 aluminum alloy was studied based on a double-pass isothermal compression test. For the experiment, different temperatures (623 K, 723 K, and 773 K), strain rates (0.1/s, 1/s, and 10/s), deformation ratios (20%, 30%, and 40%), and insulation periods (5 s, 30 s, and 60 s) were used. Based on the double-pass flow stress curves obtained from the experiment, the step rate expressed by the equivalent dynamic recrystallization fraction is dependent on the deform… Show more

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Cited by 4 publications
(1 citation statement)
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“…Chen et al [14] proposed a phenomenological constitutive model for low-alloyed steel, which includes 34 material constants. There is much research on the static softening behaviors and flow characteristics of metallic alloys during the multi-pass deformation process [15][16][17][18]. However, little attention is paid to the work-hardening characteristics among various deformation passes.…”
Section: Introductionmentioning
confidence: 99%
“…Chen et al [14] proposed a phenomenological constitutive model for low-alloyed steel, which includes 34 material constants. There is much research on the static softening behaviors and flow characteristics of metallic alloys during the multi-pass deformation process [15][16][17][18]. However, little attention is paid to the work-hardening characteristics among various deformation passes.…”
Section: Introductionmentioning
confidence: 99%