Influence of aging pathways on the evolution of heterogeneous solute-rich features in peak-aged Al-Mg-Si-Cu alloy with a high Mg/Si ratio
Influence of aging pathways on the evolution of heterogeneous solute-rich features in peak-aged Al-Mg-Si-Cu alloy with a high Mg/Si ratio
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时效途径对高 Mg/Si 比峰时效 Al-Mg-Si-Cu 合金异质富溶质演化的影响
DOI：
10.1080/09500839.2019.1615148
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发表时间：
2019-02
影响因子：
1.2
通讯作者：
E. J. Lavernia
中科院分区：
文献类型：
--
作者：
M.X. Guo;Y. D. Zhang;B. Yuan;G. Sha;J. S. Zhang;L. Z. Zhuang;E. J. Lavernia
摘要我们报告了一项研究，研究了衰老途径对峰值Al-Mg-Si-Cu合金中溶质富特征进化的影响。异质溶质特征中Mg，Si和Cu和Mg/Si比的浓度和分配比率
ABSTRACT We report on a study of the influence of aging pathways on the evolution of solute-rich features in peak-aged Al-Mg-Si-Cu alloys. The concentration and partitioning ratios of Mg, Si and Cu and Mg/Si ratios in the heterogeneous solute-rich features all increase with increasing size, with Si exhibiting the highest partitioning ratio, but notably these ratios change dramatically depending on the aging pathway selected. Accordingly, the short-time age hardening response can be enhanced by promoting both homogeneous and heterogeneous precipitate nucleation, while simultaneous improvements in peak-aged strength and elongation can be attained by a vacancy-assisted aging pathway.
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