- Yi Xu and Alan Zehnder, “Pressure, Hydrolytic Degradation and Plasticization Drive High Temperature Blistering Failure in Wet Polyimides,” Extreme Mechanics Letters, 16C, pp. 49-55 DOI: 10.1016/j.eml.2017.09.002 (2017).
- Abhendra Singh, Barry Davidson, Benjamin Hasseldine and Alan Zehnder, An Analytical Model for the Response of Carbon/Epoxy-Aluminum Honeycomb Core Sandwich Structures Under Quasi-Static Indentation Loading,” Journal of Sandwich Structures (2017), https://doi.org/10.1177/1099636217738709
- Yi Xu and Alan Zehnder, “Moisture Degradation Effects on the Mechanical Properties of HFPE-II-52 Polyimide: Experiments and Modeling,” Experimental Mechanics, 57, pp. 857-869, (2017). DOI: 10.1007/s11340-017-0281-3
- Yi Xu, Peeyush Bhargava and Alan Zehnder, “Time and Temperature Dependent Mechanical Behavior of HFPE-II-52 Polyimide at High Temperature,” Mechanics of Materials, 100, pp. 86-95, (2016). http://dx.doi.org/10.1016/j.mechmat.2016.06.009
- Benjamin Hasseldine, Alan Zehnder, Bryan Keating, Abhendra Singh and Barry Davidson, “Compressive strength of aluminum honeycomb core sandwich panels with thick carbon/epoxy facesheets subjected to barely visible indentation damage,” Journal of Composite Materials, 50(3), 387-402 (2016); doi: 10.1177/0021998315575748
- Abhendra Singh, Barry Davidson, Benjamin Hasseldine and Alan Zehnder, “Damage resistance of aluminum core honeycomb sandwich panels with carbon/epoxy face sheets,” Journal of Composite Materials, 49(2014), 2859-2876.; doi: 10.1177/0021998314557297
- Michael Czabaj, Alan Zehnder, Barry Davidson and Abhendra Singh, “Compressive strength of honeycomb-stiffened graphite/epoxy panels with barely-visible indentation damage,” Journal of Composite Materials, 48, (2014) , 2455-2471. doi: 10.1177/0021998313499949
Setup for compression after indentation experiments - K. Singh, B.D. Davidson, D.P. Eisenberg, M.W. Czabaj, A.T. Zehnder, “Damage Characterization of Quasi-Statically Indented Composite Sandwich Structures” Journal of Composite Materials, 47(10), 1211-1229, (2012). doi: 10.1177/002199831244650
- Michael W. Czabaj, Alan T. Zehnder, Chung-Yuen Hui, “Delamination of Moisture Saturated Graphite Polyimide Composites Due to Rapid Heating,” Composites – Part B, 17, 568-577, (2010). doi: 10.1016/j.compositesb.2010.05.008
- Michael Czabaj, Alan T. Zehnder and Kathy C. Chuang, “Blistering of moisture saturated graphite/polyimide composites due to rapid heating,” Journal of Composite Materials, 43, 153, (2009). doi: 10.1177/0021998308099323
Experimental setup for delamination of graphite polyimide laminate under rapid heating - Peeyush Bhargava, Chun-Hua (Kathy) Chuang, Kenway Chen and Alan Zehnder, “Moisture Diffusion Properties of HFPE-II-52 Polyimide,” Journal of Applied Polymer Science, 102, pp. 3471-3479, (2006), doi:
- John Antonakakis, Peeyush Bhargava, Chun-Hua (Kathy) Chuang, “Linear Viscoelastic Properties of HFPE-II-52 Polyimide,” Journal of Applied Polymer Science, 100, pp. 3255-3263, (2006), doi:
- Peeyush Bhargava and Alan T. Zehnder, “High temperature shear strength of T650-35 / HFPE-II-52 polyimide matrix unidirectional composite,” Experimental Mechanics, 46, pp. 245-255, (2006), doi: 10.1007/s11340-006-7848-8.
- Ani Ural, Alan T. Zehnder, Anthony Ingraffea, “Fracture Mechanics Approach to Facesheet Delamination in Honeycomb: Measurement of Energy Release Rate of the Adhesive Bond,” Engineering Fracture Mechanics, 70, 93-103, (2003), doi: 10.1016/S0013-7944(02)00024-3.
- S. Han, A. Ural, C.-S. Chen, A.T. Zehnder, A.R. Ingraffea, S.L. Billington, “Delamination Buckling and Propagation Analysis of Honeycomb Panel using Cohesive Element Approach,” International Journal of Fracture, 115, pp. 101-123, (2002) doi: 10.1023/A:1016333709040.
