2023
DOI: 10.1016/j.matdes.2023.112119
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Influence of pre-precipitation on the multi-stage hot deformation behavior of an Al-Cu-Mg-Zr alloy: Experiments and integrated modeling

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Cited by 9 publications
(4 citation statements)
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“…For instance, the Stage II of the three types of specimens that has the minimum creep rate becomes longer with the prior C‐F lifetime fraction increasing from 0% to 50%, as shown in Figure 6. However, dynamic recovery could occur in the sample with 80% prior C‐F lifetime fraction after the dislocation density reached a saturation level 46 . Meanwhile, as shown in Figure 7H, microcracking and considerable creep cavities have already developed on the surface and inside the specimen of 80% prior C‐F damage.…”
Section: Discussionmentioning
confidence: 97%
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“…For instance, the Stage II of the three types of specimens that has the minimum creep rate becomes longer with the prior C‐F lifetime fraction increasing from 0% to 50%, as shown in Figure 6. However, dynamic recovery could occur in the sample with 80% prior C‐F lifetime fraction after the dislocation density reached a saturation level 46 . Meanwhile, as shown in Figure 7H, microcracking and considerable creep cavities have already developed on the surface and inside the specimen of 80% prior C‐F damage.…”
Section: Discussionmentioning
confidence: 97%
“…However, dynamic recovery could occur in the sample with 80% prior C-F lifetime fraction after the dislocation density reached a saturation level. 46 Meanwhile, as shown in Figure 7H, microcracking and considerable creep cavities have already developed on the surface and inside the specimen of 80% prior C-F damage. In this case, the dislocation networks became unstable under external loading, making dislocation far away from the crack 47 and leading to a dislocation free area.…”
Section: Microstructural Evolution During C-f Exposurementioning
confidence: 94%
“…By employing this method, the optimal deformation regimes have been successfully determined for numerous aluminum alloys [49][50][51][52][53][54][55][56][57][58][59]. Detailed methodologies for creating HPMs have been described in previous investigations [49][50][51][52][53][54][55][56][57][58][59][60][61][62][63][64]. The power dissipation efficiency η was calculated using the equation [50]:…”
Section: Hot Deformation Behaviormentioning
confidence: 99%
“…The Al2024 is a typical Al-Cu-Mg-series light-weight structural material and has extensive applications in aerospace, automobile manufacturing, and other fields due to its low density, high specific strength, high specific modulus, good processing performance, heat-treatability, etc. [ 1 , 2 , 3 , 4 , 5 , 6 , 7 , 8 ]. With the development of modern industry, higher requirements for the comprehensive mechanical properties of Al alloys have been proposed.…”
Section: Introductionmentioning
confidence: 99%