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Tedori-Callinan Lecture: “Resist Fatigue by De-concentrating Stress”
October 12, 2021 at 10:00 AM - 11:30 AM
Most materials suffer from a disease: fatigue. Symptoms include degradation of properties and growth of cracks under cyclic stretch. These materials are unfit for applications involving prolonged and cyclic loads. A crack grows in a material because the crack tip concentrates stress. Recently, we have been developing fatigue-resistant materials by de-concentrating stress, through mechanisms at either microstructural or molecular scale. This talk describes the mechanics and implementations in materials.
Allen E. and Marilyn M. Puckett Professor of Mechanics and Materials, Harvard University
Zhigang Suo is Allen E. and Marilyn M. Puckett Professor of Mechanics and Materials at Harvard University. He earned a bachelor’s degree from Xi’an Jiaotong University in 1985, and a Ph.D. degree from Harvard University in 1989. Suo joined the faculty of the University of California at Santa Barbara in 1989, Princeton University in 1997, and Harvard University in 2003. His research centers on the mechanical behavior of materials.