Modeling of recrystallization behaviour of AA6xxx aluminum alloy during extrusion process

IF 4.7 1区 材料科学 Q1 METALLURGY & METALLURGICAL ENGINEERING
Marco NEGOZIO , Antonio SEGATORI , Riccardo PELACCIA , Barbara REGGIANI , Sara Di DONATO , Lorenzo DONATI
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引用次数: 0

Abstract

An innovative approach was introduced for the development of a AA6063 recrystallization model. This method incorporated a regression-based technique for the determination of material constants and introduced novel equations for assessing the grain size evolution. Calibration and validation of this methodology involved a combination of experimentally acquired microstructural data from the extrusion of three different AA6063 profiles and results from the simulation using the Qform Extrusion UK finite element code. The outcomes proved the agreement between experimental findings and numerical prediction of the microstructural evolution. The trend of the grain size variation based on different process parameters was accurately simulated, both after dynamic and static recrystallization, with an error of less than 25% in almost the whole sampling computations.
挤压过程中 AA6xxx 铝合金的再结晶行为建模
为开发 AA6063 再结晶模型引入了一种创新方法。该方法采用了基于回归的技术来确定材料常数,并引入了用于评估晶粒大小演变的新方程。该方法的校准和验证结合了从挤压三种不同 AA6063 型材的实验中获得的微观结构数据,以及使用 Qform Extrusion UK 有限元代码进行模拟的结果。结果证明,实验结果与微观结构演变的数值预测结果一致。在动态和静态再结晶之后,基于不同工艺参数的晶粒大小变化趋势都得到了精确模拟,几乎在整个取样计算中误差都小于 25%。
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来源期刊
CiteScore
7.40
自引率
17.80%
发文量
8456
审稿时长
3.6 months
期刊介绍: The Transactions of Nonferrous Metals Society of China (Trans. Nonferrous Met. Soc. China), founded in 1991 and sponsored by The Nonferrous Metals Society of China, is published monthly now and mainly contains reports of original research which reflect the new progresses in the field of nonferrous metals science and technology, including mineral processing, extraction metallurgy, metallic materials and heat treatments, metal working, physical metallurgy, powder metallurgy, with the emphasis on fundamental science. It is the unique preeminent publication in English for scientists, engineers, under/post-graduates on the field of nonferrous metals industry. This journal is covered by many famous abstract/index systems and databases such as SCI Expanded, Ei Compendex Plus, INSPEC, CA, METADEX, AJ and JICST.
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