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11.26】材料计算模拟沙龙第74期活动
主讲嘉宾:Dr. Zhangwei Wang
题目:Compositionally complex alloys—Toward the design of exceptional materials
2020-11-23 | 供稿: 青年职工俱乐部        【 】【打印】【关闭

报告题目:Compositionally complex alloys—Toward the design of exceptional materials 

主讲嘉宾:Dr. Zhangwei Wang(王章维 教授) 

     Max-Planck-Institut für Eisenforschung (马普学会钢铁研究所) 

活动时间:1126日(周四)10:00~12:00  

活动地点:李薰楼468会议室 

报告简介: 

Compositionally complex alloys (CCAs), as disruptive alloy design strategies, have attracted considerable attention. In this talk, I will first briefly introduce the development of CCAs. Then I will focus on the strain hardening mechanism of CCAs, the so-called microband-induced plasticity, which overcomes the strength-ductility trade-off. I will further introduce the application of novel CCA concept to redesign conventional structural materials (e.g., lightweight steels), producing a new class of compositionally complex steels (CCSs). These CCSs not only exploit the massive solid solution strengthening provided by the multiple principal elements in the matrix, but also enable tuning the composition into phase regions where both nanosized shearable -carbides and non-shearable B2 particles exist, thus leading to excellent specific strength and ductility. The talk will provide new insights into designing exceptional materials. 

嘉宾简介:

  王章维,德国马普所洪堡学者,拟任中南大学特聘教授。2017年毕业于美国达特茅斯学院,获博士学位。随后在洪堡基金资助下,前往马普所从事博士后研究。主要方向为高性能轻质高强钢的设计,特别在利用透射电镜、三维原子探针等高分辨表征手段解析钢铁材料微观组织和变形机制方面有丰富经验。发表学术论文20余篇,包含第一作者和通讯作者的Science Advances和Acta Materialia等。

 

 

欢迎所内职工和研究生前来交流!

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