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北卡罗来纳大学(夏洛特)Qiuming Wei 教授“Strengthening Mechanisms and Light Metals and Alloys for Aerospace Applications” 短期课程、讲座通知
2017-06-23 16:17   审核人:

课程名称:Strengthening Mechanisms and Light Metals and

Alloys for Aerospace Applications

主讲人:Qiuming Wei教授 (“长江学者”讲座教授)

时间地点:诚字楼2132017.6.27-2017.6.30 每日上午8:30-12:00

联系人:索涛教授

联系方式:15909208902suotao@nwpu.edu.cn

课程简介:

This course is short, intensive course focusing on common strengthening mechanisms in structural materials. An in-depth discussion of the various strengthening mechanisms, including solid solution strengthening, work hardening, Hall-Petch effect and second-phase strengthening, will be provided with their historical background and technical details.

The objective of this course is to provide more in-depth knowledge of various stratagies for strengthening metallic materials, their advantages and disadvantages, along with some case studies. Some specific knowledge will be provided to the class on light metals and alloys, focusing on the application of such mechanisms.

1. Review of the various types of defects in crystalline solids, including points defects, line defects (dislocations), planar defects (grain boundaries, stacking faults, interphase bouddaries, etc.) and volume defects.

2.Introduction of various strengthening mechanism in structural metals and alloys, including solid solution strengthening, work-hardening, ground-boundary strengthening and second-phase strengthening. The experimental observations of these strengthening mechanisms are followed by the various theories and their historical background. Condition for each theory will also be provided.

3. Introduction to aluminium and aluminium alloys. The effect of alloying elementes will be described, followed by various temper designications, including the details and mechanisms involved.

4. Introduction of titanium and titanium alloys. The various alloy types, imperfections, designation systems and mechanisms involved. Effects of alloysing elements and heat-treatment schemes will be described.

5. Introduction of magnesium and magnesium alloys (time permitting).

 

主讲人简介:

教育经历:学士,1980.09-1984.06,中国,西北工业大学,材料科学与工程,硕士,1985.09-1988.06,中国,西北工业大学,材料科学与工程;博士,1988.08-1991.06,中国,西北工业大学,材料科学与工程;博士,1994.08-1998.12,美国,北卡罗莱纳州立大学,材料科学与工程;

博士后,1991.07-1993.06,中国,北京科技大学;访问科学家(Visiting Scientist),1993.07-1994.06,美国,哥伦比亚大学(Columbia University);研究科学家(Research Scientist),1999.07-2001.06,美国,北卡罗莱纳州立大学(North Carolina State Univeristy);访问科学家(Visiting Scientist),2001.07-2002.06,美国,约翰霍普金斯大学(the Johns Hopkins University);副研究科学家(Associate Research Scientist),2002.07-2005.06,美国,约翰霍普金斯大学(the Johns Hopkins University);访问助理教授(Visiting Assistant Professor),2005.08-2010.06,美国,约翰霍普金斯大学(the Johns Hopkins University);访问助理教授(Visiting Assistant Professor),2005.08-2010.06,美国,约翰霍普金斯大学(the Johns Hopkins University);助理教授(Assistant Professor),2005.07-2010.06,美国,北卡罗来纳大学(夏洛特)(UNC-Charlotte);副教授(Associate Professor),2010.07-2014.06,美国,北卡罗来纳大学(夏洛特)(UNC-Charlotte);教授(Professor),2014.07-今,美国,北卡罗来纳大学(夏洛特)(UNC-Charlotte);2017.03-今,西北工业大学“长江学者讲座教授。

材料学和力学领域专家,在纳米/超细晶材料的力学行为尤其是动态力学行为研究领域取得了突出研究成果。研究专长包括:先进材料的动态力学行为,超细晶材料的制备、微观组织分析和力学性能,微纳尺度的力学性能表征以及先进材料分析和表征技术。在国际上首次发现了纳米钨和超细晶铁中的绝热剪切现象,开创性地提出了金属材料的绝热剪切特性与其晶体结构和晶粒尺寸的联系,相关研究成果被同行广泛引用,总次数超过4400次,H因子达到32。数十篇学术论文被引用超过百次,多篇论文位列相关学术期刊“Top 25 Hottest Articles”

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