Data Analysis of Precipitation Hardening of Al-Cu Alloy through Fuzzy Monitoring Approach

H. Vafaeenezhad, M. Ghomaishi
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Abstract

It is often necessary to perform a heat treatment that aluminum alloys can be used for modern advanced applications. That is to say that the most pertinent and effective way to improve the mechanical properties of Al alloys is precipitation hardening. Precipitation hardening of Al alloys requires high quench rate after solution annealing to avoid coarse intermetallic precipitates formation at the grain boundaries. A supersaturated solid solution of alloying elements is a pre-requisite for the formation of fine intermetallic precipitates during aging, which improves the strength of the material.
基于模糊监测的Al-Cu合金析出硬化数据分析
通常需要进行热处理,铝合金才能用于现代先进的应用。也就是说,提高铝合金力学性能最中庸、最有效的方法是沉淀硬化。铝合金的析出硬化要求固溶退火后淬火速率高,以避免在晶界处形成粗大的金属间相。合金元素的过饱和固溶体是在时效过程中形成细小金属间相的先决条件,从而提高了材料的强度。
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