報告題目: Materials Modelling of Aluminium Alloy with Dynamic Precipitation
報告人: Dr Zhusheng Shi, Imperial College London
石朱生博士,帝國理工學院
時間: 2019-6-17 上午9:00-11:00
地點: 材料A樓500
聯系人:金學軍
報告人簡介:
石朱生博士是帝國理工學院機械工程系研究員、博導,同時負責航空工業和北京航空材料研究院與帝國理工兩個聯合研究中心的工作,兼任首鋼集團帝國理工聯合實驗室副主任。石博士畢業于東北大學,分別在鋼鐵研究總院和英國伯明翰大學獲得碩士和博士學位,曾在牛津和倫敦瑪麗女王等多所英國大學任職。石博士長期從事材料加工、表征和模擬的研究與應用工作。他的研究領域涉及金屬成型,粉末冶金,表面工程等。他現在的主要研究方向是大型鋁合金板的蠕變時效成型,粉末直接鍛造等,已在國際學術刊物和會議文集上發表學術論文80余篇。
報告摘要:
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.