1. N. Momenzadeh, H. Miyanaji, D.A. Porter, T.A. Berfield, “Polyvinylidene fluoride (PVDF) as a feedstock for material extrusion additive manufacturing”, Rapid Prototyping, 1-8, 2019.
2. N. Momenzadeh, H. Miyanaji, T.A. Berfield, “Influences of zirconium tungstate additives on characteristics of polyvinylidene fluoride (PVDF) components fabricated via material extrusion additive manufacturing process”, The International Journal of Advanced Manufacturing Technology, 1-8, 2019.
3. N. Momenzadeh, S.D. Nath, T.A. Berfield, S.V. Atre, “In Situ Measurement of Thermal Strain Development in 420 Stainless Steel Additive Manufactured Metals”, Experimental Mechanics, 1-9, 2019.
4. M. Derakhshani, T.A. Berfield, and K.D. Murphy, “A component coupling approach to dynamic analysis of a buckled, bistable vibration energy harvester structure”, Nonlinear Dynamics, 96: 1429, p. 1-18, 2019.
5. M. Derakhshani and T.A. Berfield, “Snap-Through and Mechanical Strain Analysis of a MEMS Bistable Vibration Energy Harvester”, Shock and Vibration, vol. 2019, Article ID 6743676, 10 pages, 2019.
6. M. Derakhshani, B.E. Allgeier, and T.A. Berfield, “Study on the fabrication process of a MEMS bistable energy harvester based on coupled component structures”, Mechanics of Biological Systems & Micro-and Nanomechanics, Volume 4, 75-79, 2019.
7. N. Momenzadeh, C.M. Stewart, and T.A. Berfield, “Mechanical and Thermal Characterization of Fused Filament Fabrication Polyvinylidene Fluoride (PVDF) Printed Composites”, Mechanics of Additive and Advanced Manufacturing, Volume 8, 59-65, 2019.
8. M. Derakhshani, T.A. Berfield, and K.D. Murphy, “Dynamic analysis of a bi-stable buckled structure for vibration energy harvester”, Dynamic Behavior of Materials, Volume 1, 199-208, 2018.
9. D.A. Porter, T.V.T. Hoang, and T.A. Berfield, “Effects of in-situ poling and process parameters on fused filament fabrication printed PVDF sheet mechanical and electrical properties”, Additive Manufacturing, 13, 81-92, 2017.
10. T.M. Lucas, D.A. Porter, J. Beharic, T.A. Berfield, and C.K. Harnett, “Bistability in a symmetric out-of-plane microstructure”, Microsystem Technologies, 23, 2569-2576, 2017.
11. D.A. Porter and T.A. Berfield, “Constraint Effects on Torque-Actuated Bistable Energy Harvesters”, Energy Harvesting and Systems, 3(1), 79-90, 2016.
12. T.A. Berfield, R. Kitey, S.S. Kandula “Adhesion strength of lead zirconate titanate sol-gel thin films”, Thin Solid Films, v. 598, p. 230-235, 2016.
13. D Ratnayake, MD Martin, UR Gowrishetty, DA Porter, TA Berfield, S.P. McNamara, K.M. Walsh, “Engineering stress in thin films for the field of bistable MEMS”, Journal of Micromechanics and Microengineering, v. 25 (n. 12), p.125025, 2015.
14. D.A. Porter and T.A. Berfield, “Torque Arm Actuated Bi-Stable Buckled Energy Harvester Characterization”, Experimental and Applied Mechanics, v. 6, p. 49-54, 2015.
15. D.A. Porter and T.A. Berfield, “A Bi-Stable Energy Harvesting Device Actuated Via Torque Arms”, Smart Mater. Struct., v. 23, p. 075003, 2014.
16. J. Chen, A.K. Thapa, and T.A. Berfield, “In-Situ Characterization of Strain in Lithium Battery Working Electrodes”, Journal of Power Sources, v. 217, p. 406-413, 2014.
17. D.A. Porter and T.A. Berfield, “Die Separation and Rupture Strength for Deep Reactive Ion Etched Silicon Wafers”, J. Micromech. Microeng., v. 23, p. 085020, 2013.
18. T.A. Berfield, T. Hoang, D.A. Porter, and B.J. Meuris. “Strain Measurement and Mechanical Property Evolution in Sol-Gel PZT Thin Films”, IMAPS/ACerS 9th International Conference and Exhibition on Ceramic Interconnect and Ceramic Microsystems Technologies (CICMT), 2013.
19. D.A Porter, I. Phelps, U.R. Gowrishetty, K.M. Walsh, and T.A. Berfield, “Mechanics of Buckled Structure MEMS for Actuation and Energy Harvesting Devices”, Proceedings Int. Mech. Eng. Conf. and Expo, Volume 9, Part A, Micro- and Nano- Engineering and Packaging, pp. 49-54, Houston, TX, 2012.
20. U.R. Gowrishetty, K.M. Walsh, and T.A. Berfield, “Fabrication of polyimide bi-stable diaphragms using oxide compressive stresses for the field of ‘buckle MEMS'”, J. Micromech. Microeng., v. 20, p.075013-075019, 2010.
21. T.A. Berfield, J.F. Carroll III, D.A. Payne, N.R. Sottos, “Thermal strain measurement in lead zirconate titanate (PZT) sol-gel thin films”, Journal of Applied Physics, v. 106, p. 123501, 2009.
22. T.A. Berfield, J.K. Patel, R.G. Shimmin, P.V. Braun, J. Lambros, N.R. Sottos, “Micro- and nanoscale deformation measurement of surface and internal planes via digital image correlation”, Experimental Mechanics, v. 47, p. 51-62, 2007.
23. T.A. Berfield, R.J. Ong, D.A. Payne, and N.R. Sottos, “Residual stress effects on piezoelectric response of sol-gel derived lead zirconate titanate thin films”, Journal of Applied Physics, v. 101, p. 24102-1 – 24102-7, 2007.
24. T.A. Berfield, J.K. Patel, R.G. Shimmin, P.V. Braun, J. Lambros, N.R. Sottos, “Fluorescent image correlation for nanoscale deformation measurements” Small, v. 2 (n. 5), p.631-635, 2006.
