News
June 2024- Matthew Heras presented the projects, “Deformation and Strain-rate Sensitivity of Rotating Square Auxetic Structures” at the 2024 Society for Experimental Mechanics (SEM 2024) in Vancouver, WA.
May 2024- Dr. Ibnaj Anamika Anni, Nicholas Mennie, Dr. Kazi Zahir Uddin, and Dr. Jeeva Muthulingam defended their theses and dissertations in May 2024. Congratulations to all!
March 2024- **New Publication** Fabrication and Characterization of Electrically Conductive 3D Printable TPU/MWCNT Filaments for Strain Sensing in Large Deformation Conditions. Advanced Sensor Research
February 2024- **New Publication** Influence of nearby fiber on fiber–matrix debonding: Coupled Criterion prediction and debonding shape determination. Journal of the Mechanics and Physics of Solids
January 2024- **New Publications** Several new publications from our collaboration with the Experimental Mechanics Laboratory at SDSU:
Full-field Characterizations of Additively Manufactured Composite Cellular Structures. Composites Part B 2024; 272: 111208.
Impact response of polyurea elastomeric foams. Journal of Dynamic Behavior of Materials 2024 (Accepted)
October 2023- **New Publication** Modular Soft Robotic Actuators from Flexible Perforated Sheets, Advanced Engineering Materials
This work was highlighted on the cover of ACS Applied Engineering Materials
September 2023- Our PhD student Zaynab Hazaveh received the Wind Institute Fellowship Award from the New Jersey Economic Development Authority (NJEDA). As part of this award, Zaynab will work on the research project titled Multiscale Mechanics and Failure of Wind Turbine Composites by Experimental Characterization.
Congratulations Zaynab!
September 2023- Our Ph.D. student, Kazi Zahir Uddin, received the American Society for Composites (ASC) Ph.D. Research Scholarship Award.
Our team also presented the following works:
- Tuning Load Bearing Capacities of Flexible Honeycomb with Poisson’s Ratio Modulation (Presented by K. Z. Uddin)
- Experimental-Computational Characterization of Fiber-to-Fiber Interactions in Glass Macro Fiber Composites (Presented by B. Koohbor)
September 2023- **New Publication** Modulating Poisson’s Ratio in Flexible Honeycombs by Density and Architecture Gradations, IOP Engineering Research Express
August 2023- **New Publication** Cold Spray Deposition of Nylon-6 on Glass Fiber-Reinforced Composites, ACS Applied Engineering Materials
This work was highlighted on the cover of ACS Applied Engineering Materials
July 2023- **New Publication** Modular Soft Robotic Actuators from Flexible Perforated Sheets. Advanced Engineering Materials
June 2023- In collaboration with Shreiber School of Veterinary Medicine, our lab helped develop a prosthetic goat leg.
June 2023- Our Ph.D. student, Kazi Zahir Uddin, was elected and served as the student ambassador in the 2023 Society for Experimental Mechanics (SEM 2023) conference.
June 2023- Our team participated in the 2023 Society for Experimental Mechanics (SEM) conference at Orlando. We had the pleasure of meeting with our great collaborators from San Diego State University, Prof. George Youssef and the Experimental Mechanics Laboratory.
May 2023- Nicholas Mennie presented two projects, “Repair of damaged fiber reinforced polymer composites with cold spray” and “Analyzing cold spray of polymer-coated metal particles on polymeric and composite substrates” at the International Thermal Spray Conference and Exposition, ITSC2023, in Quebec City, Canada.
May 2023- Kazi Zahir Uddin celebrates his MS graduation.
Kazi will stay with the team to finish his PhD.
April 2023- **New Publication**
Two new publications in collaboration with Prof. Doitrand's research group at the University of Lyon, France:
* Experimental characterization of in-plane debonding at fiber-matrix interface using single glass macro fiber samples. Composites Part A
* Numerical simulation of fiber–matrix debonding: Inverse identification of interface properties. Engineering Fracture Mechanics
March 2023- **New Publication** Out-of-oven rapid synthesis of entropy stabilized oxides using radio frequency heating. Journal of Materials Research and Technology.
(In collaboration with Prof. Aniruddh Vashisth of the Department of Mechanical Engineering, University of Washington)
February 2023- **New Publication** Thermoplastic coating on fiber reinforced polymer composites by cold spray additive manufacturing. Materials Today Communication
February 2023- **New Publication - Book Chapter**
Chapter 9- Polymeric foams and their nanocomposite derivatives for shock absorption
In: Multifunctional Polymeric Foams - Advancements and Innovative Approaches, CRC Press, 2023
February 2023- **New Publication** Light-matter interactions revealing load-induced phase mobility in elastomers. Macromolecular Rapid Communications.
(In collaboration with Prof. George Youssef of the Department of Mechanical Engineering, San Diego State University)
January 2023- **New Publication** Molecular Weight Controls Interactions between Plastic Deformation and Fracture in Cold Spray of Glassy Polymers. ACS Omega
January 2023- Our collaborative article with Prof. Youssef was featured
on the cover of Advanced Engineering Materials
January 2023- Our collaborative article with Prof. Youssef was featured
on the cover of Advanced Engineering Materials
Density-dependent impact-resilience and auxeticity of elastomeric polyurea foams.
October 2022- **New Publication** Localized creep analysis of polyurea elastomer from full-field measurements. Mechanics of Time-Dependent Materials
(In collaboration with Prof. George Youssef of the Department of Mechanical Engineering, San Diego State University)
October 2022- **New Publication** Tuning the Mechanical Behavior of Density-Graded Elastomeric Foam Structures via Interlayer Properties. ACS Omega
This work was highlighted on the cover of ACS Omega
October 2022- Dr. Koohbor presented an invited talk entitled 'Perforated auxetic planar structures: Multiscale mechanics and applications in soft robotic actuators' at the Annual Technical Meeting of the Society of Engineering Science (SES 2022) - Engineering Science Medal Symposium in Honor of Professor Michael A. Sutton
College Station, TX, October 2022.
September 2022- Jeeva Muthulingam presented “Modeling Cold Spray Deposition of Thermoplastic Polymers: Effects of Impact Angle and Temperature” at the 37th Annual Technical Conference of American Society for Composites (ASC), Tucson, Arizona
September 2022- Our PhD student Ibnaj Anamika Anni received the Wind Institute Fellowship Award from the New Jersey Economic Development Authority (NJEDA). As part of this award, Ibnaj will work on the research project titled A Hybrid Experimental-Numerical Framework to Improve the Repair Quality of Wind Turbine Blades by Cold Spray.
Congratulations Ibnaj!
August 2022- **New Publication** Mechanics of dielectric polyamide/SiO2 nanocomposite coatings for cryogenic service in superconductor systems. Journal of Applied Polymer Science
(In collaboration with Prof. Wei Xue of the Department of Mechanical Engineering, Rowan University)
August 2022- **New Publication** Density-dependent impact-resilience and auxeticity of elastomeric polyurea foams. Advanced Engineering Materials
July 2022- **New Publication** Molecular-Weight-Dependent Interplay of Brittle-to-Ductile Transition in High-Strain-Rate Cold Spray Deposition of Glassy Polymers. ACS Omega
This work was in collaboration with Prof. Jae-Hwang Lee of UMass and was highlighted on the cover of ACS Omega
July 2022- Ibnaj and Kazi represented our work “Thermoplastic coating on fiber reinforced polymer composites by cold spray additive manufacturing” at the 25th International Conference on Composite of Structures (ICCS25) in Porto, Portugal.
July 2022- **New Publication** Identification of RVE length scale in fiber composites via combined optical and SEM digital image correlation. Composites Science and Technology
June 2022- Our wonderful PhD student, Ibnaj Anamika Anni, was awarded the first place in the Cold Spray Action Team (CSAT) poster competition. Ibnaj is working on groundbreaking research that explores cold spray deposition of high-performance thermoplastics on fiber reinforced composites. Congratulations Ibnaj!
June 2022- Our team (including Ibnaj, Kazi, and Nick) participated in the 2022 Society for Experimental Mechanics (SEM) conference at Pittsburgh. We had the pleasure of meeting with our great collaborators from San Diego State University, Prof. George Youssef and Dr. Nha Uyen Huyn.
June 2022- **New Publication** In-plane mechanical and failure responses of honeycombs with syntactic foam cell walls. Composite Structures
June 2022- **New Publication** Design and implementation of a thin film tensile testing apparatus for cryogenic applications. Experimental Techniques
(In collaboration with Prof. Wei Xue of the Department of Mechanical Engineering, Rowan University )
June 2022- **New Publication** Dynamic behavior and impact tolerance of elastomeric foams subjected to multiple impact conditions. Journal of Dynamic Behavior of Materials
May 2022- **New Publication** Out-of-plane load-bearing and mechanical energy absorption properties of flexible density-graded honeycombs. Composites Part C: Open Access
May 2022- Our wonderful undergraduate research assistant, Derek Miebach, receives the South Jersey Mechanical Contractors Association Award! Derek leaves Rowan to join Axis Group LLC as a Data Analytics Engineer. Congratulations Derek!
May 2022- Jacqueline Johnson, Jeffrey Stewart, and Nicholas Mennie win MechE 2022 Best Junior/Senior Clinic Design Project. Congratulations! We are glad to have Nicholas join the team again as a MS student in Fall 2022.
May 2022- Dr. Koohbor joins the Editorial Board of Frontiers in Materials | Mechanics of Materials.
April 2022- We are grateful to New Jersey Health Foundation (NJHF) for supporting our research in 'correlations between the mechanical properties of orthopedic shoe midsoles and user performance'. Read more here.
April 2022- **New Publication** Rapid multiple-front polymerization of fiber-reinforced polymer composites. Composites Part A: Applied Science and Manufacturing
(This work is part of Dr. Koohbor's postdoc research at the University of Illinois Urbana-Champaign)
March 2022- **New Publication** Coupling between voltage profiles and mechanical deformations in LAGP solid electrolyte during Li plating and stripping. ACS Applied Energy Materials
(In collaboration with Prof. Özgür Çapraz of the Department of Chemical Engineering, Oklahoma State University)
March 2022- **New Publication** Desiccation cracking in clay-bottom ash mixtures: insights from crack image analysis and digital image correlation. Bulletin of Engineering Geology and the Environment
(In collaboration with Prof. Cheng Zhu of the Department of Civil and Environmental Engineering, Rowan University)
February 2022- **New Publication** Flexible planar metamaterials with tunable Poisson’s ratios. Materials and Design
January 2022- **New Publication** A modeling study of bonding mechanisms between similar and dissimilar materials in cold spraying on polymeric substrates. Journal of Thermal Spray Technology
January 2022- **New Publication** Characterizing fiber-matrix debond and fiber interaction mechanisms by full-field measurements. Composites Part C: Open Access
December 2021- Dr. Koohbor is appointed an Early Career Editorial Board member of Packaging Technology and Science
November 2021- **New Publication** Thermal gradients govern impact dynamics in thermoplastic polymer cold spray. Journal Thermal Spray Technology
November 2021- PhD student Kazi Zahir Uddin participates in Sigma Xi Annual Student Research Conference. Kazi received an honorable mention for his poster presentation, titled: Next Generation Programmable Material Design.
October 2021- We had the pleasure of hosting Benjamin Taylor in our alumni speaker seminar series. Benjamin is now a 3D printing engineer at Keystone Industries and has become an integral part of testing and managing 3D workflow validations in this company.
October 2021- Read more about the Rowan Today article featuring our latest NSF research grant.
September 2021- Our team attended the 36th Annual Technical Conference of the American Society for Composites (ASC). Grad students, Nicholas Pagliocca, Ibnaj Anni, and Kazi Zahir Uddin participated in the ASC Student Simulation Challenge. PhD student Kazi Zahir Uddin participated in the Inaugural 4-Minute Doctoral Research Impact Competition. Dr. Koohbor and Dr. Singh presented talks titled: In Situ Characterization of Fiber-Matrix Interface Debonding via Full-Field Measurements and Analyzing Micro-Macro Transitional Length Scale in Unidirectional Composites.
August 2021- **New Publication** Density-Graded Cellular Solids: Mechanics, Fabrication, and Applications. Advanced Engineering Materials
August 2021- Featured in Rowan Today: Rowan researchers investigate Jersey Shore wind power projects
August 2021- **New Publication** A Multiscale Experimental Approach to Characterize Micro-to-Macro Transition length scale in Polymer Foams. Mechanics of Materials
July 2021- Dr. Koohbor was awarded a $279,000 grant from the National Science Foundation (NSF) for a research project titled Collaborative Project: Investigations of Density-graded Auxetic Foams at Multiple Scales. This 3-year project is a collaboration between Koohbor research group and Prof. George Youssef of San Diego State University. The research grant totaled $580,000. (Read More)
July 2021- PhD student, Kazi Zahir Uddin, was featured in this month's Student Spotlights at Rowan. Read more.
June 2021- Our group attended the Society for Experimental Mechanics (SEM) 2021 Annual Conference. Nicholas Pagliocca presented his project on 'Multiscale Mechanical Characterization of Honeycombs with Porous Cell Walls'. Other contributors to this work were Oyindamola Rahman and Dr. Nand Singh.
Dr. Koohbor organized and co-chaired the Shock and Blast session.
June 2021- Dr. Koohbor presented an invited talk entitled 'Thermo-mechanical characterization of AM metals by full-field measurements' in the webinar series on Quality Analysis for Additive Manufacturing, hosted by the University of Stuttgart.
June 2021- Robert and Oyindamola successfully defended their Master's theses. Congratulations to both!
June 2021- **New Publication** Analyzing the effects of particle diameter in cold spraying of thermoplastic polymers. Journal of Thermal Spray Technology
May 2021- **New Publication** Design optimization of a pneumatic soft robotics actuator using model-based optimization and deep reinforcement learning. Frontiers in Robotics and AI
May 2021- Our wonderful undergraduate research assistant, Megan Duman, receives the South Jersey Mechanical Contractors Association Award! Megan leaves Rowan to join Globus Medical, Inc. as an Associate Project Engineer. Congratulations Megan!
February 2021- Dr. Koohbor receives research seed funds from Ørsted to pursue a research idea that involves energy efficient on-site repair of wind turbines by cold spray.
February 2021- Ibnaj Anamika Anni joins the group as a new PhD student.
January 2021- **New Publication** In situ deformation characterization of density-graded foams in quasi-static and impact loading conditions. International Journal of Impact Engineering
December 2020- **New Publication** In Situ Strain Measurement in Solid-State Li-Ion Battery Electrodes, Journal of the Electrochemical Society
November 2020- Dr. Koohbor receives Frances R. Lax Fund for Faculty Development from Rowan University.
The Frances R. Lax Fund for Faculty Development, established by its namesake, provides stipends to probationary, full-time tenure track faculty who are in the second year of service for professional development activities including: conference registration, academic travel, or academic materials.
October 2020- **New Publication** Optimization of energy absorption performance of polymer honeycombs by density gradation, Composites Part C: Open Access
September 2020- Nicholas Pagilocca returns to the group as a Master's student. Nicholas will be working with us and Prof. Trkov's group on soft robotics related projects.
August 2020- **New Publication** Characterization of Energy Absorption and Strain Rate Sensitivity of a Novel Elastomeric Polyurea Foam, Advanced Engineering Materials
July 2020- **New Publication** Gradient Optimization of Multi-Layered Density-Graded Foam Laminates for Footwear Material Design, Journal of Biomechanics
July 2020- **New Publication** Gradient Optimization of Transversely Graded Ti-TiB Structures for Enhanced Fracture Resistance , International Journal of Mechanical Sciences
May 2020- Our wonderful undergraduate research assistant, Benjamin Taylor, wins the South Jersey Mechanical Contractors Association Award! Ben leaves Rowan to join Keystone Industries as a 3D Printing Engineer. Congratulations Ben!
May 2020- Nicholas Pagliocca, Benjamin Taylor, and Brandon Criss win MechE 2020 Best Junior/Senior Clinic Research Project. Congratulations! We are glad to have Nicholas join the team again as a MS student in Fall 2020.
April 2020- **New Publication** Radial and Axial Inertia Stresses in High Strain Rate Deformation of Polymer Foams , International Journal of Mechanical Sciences
April 2020- Dr. Koohbor will serve as the guest editor of the Special Issue "Advanced Research on Heterogeneous Materials" for Crystals (an open-access MDPI publication).
April 2020- Our paper 'Fracture of cracked transversely graded materials' is featured in Advances in Engineering. Click here to learn more.
December 2019- Dr. Koohbor presents a poster at the NSF Nanoscale Science and Engineering Meeting, Alexandria, VA
October 2019- Dr. Koohbor presents at the Society of Engineering (SES) 2019 in Washington University, Saint Louis. link
September 2019- **New Publication** Characterizing Fracture Response of Cracked Transversely Graded Materials, Composite Structures
September 2019- Oyindamola Rahman joins the group as the second MS student of the group.
September 2019- Robert Livingston joins the group as the first MS student of the group.
September 2019- Kazi Zahir Uddin joins the group as the first PhD student of the group.
August 2019- Koohbor Research Group officially starts at Rowan University.
