New article: Micro-CT Imaging of Fibers in Composite Laminates under High Strain Bending
Experimental Techniques, 2020.
New article on crack growth in PVA hydrogel
Crack Propagation in a PVA Dual-Crosslink Hydrogel: Crack Tip Fields Measured using Digital Image Correlation, published in Mechanics of Materials, is now on-line: https://authors.elsevier.com/a/1Zg-Xc7qwU6uo This is available to anyone up Read More …
Congratulations to Mincong Liu, Ph.D.
Mincong Liu recently (June 2019) completed his Ph.D. on the mechanical behavior of hydrogels. His work advanced the use of digital image correlation (DIC) for fracture in soft materials and Read More …
Professor Zehnder named a Fellow of the Society for Experimental Mechanics
In recognition of distinguished contributions to the field of experimental mechanics, and service to that field through the Society, Professor Zehnder was recognized as a Fellow of the Society for Read More …
New papers on hydrogel fracture
“Application of Digital Image Correlation (DIC) to the Measurement of Strain Concentration of a PVA Dual-Crosslink Hydrogel Under Large Deformation,” published online in Experimental Mechanics, (2019), http://link.springer.com/article/10.1007/s11340-019-00520-4 “Crack tip stress Read More …
Teaching Award to Prof. Zehnder
Professor Zehnder was recognized by the College of Engineering as an outstanding teacher and is the winner of the Dennis G. Shepherd Excellence in Teaching Award in 2018.
New paper on computational model of blistering of polyimide
This paper pulls together our work on blistering, high temperature viscoelastic and viscoplastic deformation, hydrolytic degradation and plasticization to model blistering of moisture saturated PI under rapid heating. See https://authors.elsevier.com/a/1VnJX_rVFH5pm7. Read More …
Congratulations to Yi Xu, Ph.D.
Yi Xu successfully defended his Ph.D. thesis on the performance and degradation of polyimides under extreme conditions. This is the first work to study the combined effects of hydrolytic degradation, Read More …
New results on hydrolytic degradation of polyimides
Our recently published paper, “Moisture Degradation Effects on the Mechanical Properties of HFPE-II-52 Polyimide: Experiments and Modeling”, Experimental Mechanics, 2017, DOI: 10.1007/s11340-017-0281-3 is available on-line at: http://rdcu.be/qJoG. We find that Read More …
On-line report on torsional fracture
I have posted a report that updates our work on fracture of notched rods in torsion. This paper describes additional experiments and computational simulations of the problem. The paper is Read More …