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Introduction of Yong Zhu

author:time:2018-09-09Number of hits:

     

Yong Zhu is a Professor in the Department of Mechanical and Aerospace Engineering, with joint appointments in the Departments of Materials Science and Engineering and Biomedical Engineering, at North Carolina State University (NCSU). He received his Ph.D. from Northwestern University and was a postdoctoral fellow at the University of Texas at Austin before joining NCSU in 2007. His group conducts research at the intersection of solid mechanics and micro/nano-technologies,including microelectromechanical systems (MEMS), nanomechanics, and nanomaterial-enabled stretchable electronics. His work has been recognized by a number of awards including College of Engineering Alcoa Foundation Research Achievement Award, Society of Experimental Mechanics Young Investigator Award, ASME Sia Nemat-Nasser Early Career Award, and Eshelby Mechanics Award. Zhu serves in the executive committee of the ASME Materials Division (Chair2019-2020). He is an ASME fellow and IEEE senior member.

A wide variety of low-dimensional nanomaterials such as nanotubes, nanowires and2D materials with outstanding mechanical properties have been developed in the past decades. Measuring their mechanical properties and understanding their deformation mechanisms is of important relevance to many of their device applications. On the other hand, such nanomaterials can provide an unprecedented platform for probing mechanics at the nanoscale. While challenging, the field of experimental nanomechanics has emerged and seen exciting progress in the past decade. Here I will summarize recent advances in this field, highlighting in-situ experimental methods using atomic force microscope and electron microscopes. A promising method is based upon microelectromechanical systems (MEMS). I will present an innovative MEMS-based method for in-situ scanning and transmission electron microscopy (SEM/TEM) mechanical testing of crystalline nanowires. Then I will discuss the mechanics of crystalline nanowires including elasticity, fracture, plasticity and anelasticity, as well as some applications of crystalline nanowires such as flexible and stretchable electronics, energy harvesting and storage, and strain engineering, where mechanics plays a key role. Following crystalline nanowires, I will discuss briefly testing methods and mechanics of2D materials focusing on the interface mechanics. This talk will conclude with a perspective of experimental mechanics of low-dimensional nanomaterials.

Yong hu Ph.D

Professor in the Department of Mechanical and Aerospace Engineering

Research at the intersection of solid mechanics and micro/nano-technologies

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