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石朱生博士 学术报告
发布日期:2019/6/17

报告题目: Materials Modelling of Aluminium Alloy with Dynamic Precipitation

报告人: Dr Zhusheng Shi, Imperial College London

石朱生博士,帝国理工学院

时间: 2019-6-17 上午9:00-11:00

地点: 材料A500

联系人金学军

报告人简介:

石朱生博士是帝国理工学院机械工程系研究员、博导,同时负责航空工业和北京航空材料研究院与帝国理工两个联合研究中心的工作,兼任首钢集团帝国理工联合实验室副主任。石博士毕业于东北大学,分别在钢铁研究总院和英国伯明翰大学获得硕士和博士学位,曾在牛津和伦敦玛丽女王等多所英国大学任职。石博士长期从事材料加工、表征和模拟的研究与应用工作。他的研究领域涉及金属成型,粉末冶金,表面工程等。他现在的主要研究方向是大型铝合金板的蠕变时效成型,粉末直接锻造等,已在国际学术刊物和会议文集上发表学术论文80余篇。

报告摘要:

Materials Modelling of Aluminium Alloy with Dynamic Precipitation
The purpose of materials processing is to produce correct shape and/or achieve required properties. During thermomechanical processing of high strength aluminium alloys, various microstructural changes may occur, including formation of dislocations and precipitate nucleation and growth. These changes will affect the final shape and the properties of the formed product. Materials modelling will play an important part in process optimisation and cost reduction of trial and error. In this talk, attention will be focused on how to develop a constitutive materials model that is suitable for engineering applications. Examples will be given based on creep age forming process, from materials testing, microstructural observation and analysis of underlying mechanisms to formulation of constitutive equations and constants determination, as well as model application in process simulation.

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