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学术报告
Prof. Jingjing Li学术报告会
作者:发布时间:2023-11-03

题目:Assembly of Lightweight and Multi-Material Systems

时间:2023年11月3日 14:00-17:00

地点:机械与动力工程学院 F310会议室

邀请人:李永兵 教授(薄板结构制造研究所)

 

Biography

Jingjing Li is a Professor of the Harold and Inge Marcus Department of Industrial and Manufacturing Engineering at the Pennsylvania State University. Prof. Li's research is driven by a deep passion for materials processing and characterization, with a particular emphasis on in-situ materials analysis, mechanical behavior, failure mechanisms, and the influence of microstructure on macroscopic properties. These insights are leveraged in industrial applications, such as joining dissimilar materials, additive manufacturing, and composite production. She is an Associate Editor of Journal of Manufacturing Science and Engineering, Manufacturing Letters, Journal of Manufacturing Processes, and Journal of Materials Processing Technology. Prof. Li has received several prestigious awards, such as the ASME Chao and Trigger Young Manufacturing Engineer Award and the US National Science Foundation CAREER award. She was also recognized and elected as an ASME fellow.

 

Abstract

Increasing environmental concerns and demands for high-performance products drive the needs for manufacturing dissimilar materials structures with tailored properties. However, fabricating these structures by conventional fusion welding is challenging. The generation of brittle phases (i.e., intermetallic compounds) is a significant concern and could negatively impact weld integrity, strength, and reliability. This talk will review Dr. Li’s recent work on creating dissimilar materials structures through additive manufacturing and different welding methods. In particular, she will focus on interfacial bonding mechanisms, defect generation, and the development of process-structure-property relations. She will also introduce new material characterization techniques developed by her group.

 

 

 

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