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Mechanical properties and microstructural evaluation of AA5013 aluminum alloy treated in the semi-solid state by SIMA process

机译:SIMA工艺处理半固态AA5013铝合金的力学性能和显微组织评估

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摘要

The microstructure and mechanical properties of AA5013 aluminum alloys prepared by strain-induced melt activation (SIMA) process were studied to investigate the effects of cold working and heat treatment conditions. The specimens subjected to deformation ratios of 30 and 50% and various heat treatment time and temperature regimes were characterized in the present study. The results revealed that for the desired microstructure of the alloy, the optimum heat treatment temperature and time were 650°C and 60min, respectively, for both deformation ratios. However, the specimens with 50% cold working exhibited more brittle behavior while they contain finer grains with uniform distribution along the cross-sections as compared to 30% cold working.
机译:研究了通过应变诱导熔体活化(SIMA)工艺制备的AA5013铝合金的显微组织和力学性能,以研究冷加工和热处理条件的影响。在本研究中,对试样的变形率分别为30%和50%以及各种热处理时间和温度范围进行了表征。结果表明,对于所需的合金显微组织,两种变形率的最佳热处理温度和时间分别为650°C和60min。但是,与30%的冷加工相比,冷加工50%的试样表现出更脆的行为,而它们包含的细晶粒沿横截面分布均匀。

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