Ahmed A Hassen Group Leader & Senior R&D Staff Scientist Contact hassenaa@ornl.gov | 865.574.6357 All Publications Anisotropic thermal behavior of extrusion-based large scale additively manufactured carbon-fiber reinforced thermoplastic structures Volumetric nondestructive evaluation for damage in carbon fiber reinforced polymer panels subjected to artificial lightning s... Detecting thermal crack growth on a large additive manufactured structure using acoustic emission Joining technique for in-oven/autoclave molds manufactured by large scale polymer additive manufacturing... Characterization of anisotropic mechanical properties of polymer composites from a hybrid additive manufacturing-compression ... Characterization of nonlinear ultrasonic waves behavior while interacting with poor interlayer bonds in large-scale additive ... Characterizing The Internal Morphology of Transition Regions in Large-Scale Extrusion Deposition Additive Manufacturing... Large-scale additive manufacturing tooling for extrusion-compression molds... An Innovative Digital Image Correlation Technique for In-Situ Process Monitoring of Composite Structures in Large Scale Addit... Large-Scale Additive Manufacturing of Self-Heating Molds... Melt extruded versus extrusion compression molded glass-polypropylene long fiber thermoplastic composites... Chapter 6 - Polymer and composites additive manufacturing: material extrusion processes... Fiber Orientation Evaluation in Reinforced Composites using Digital Image Correlation... Improve durability and surface quality of additively manufactured molds using carbon fiber prepreg... Thermal Analysis of Large Area Additive Manufacturing Resistance Heating Composites for Out of Oven/Autoclave Applications... Internal Arcing and Lightning Strike Damage in Short Carbon Fiber Reinforced Thermoplastic Composites... Thermal Analysis of Large Area Additive Manufacturing Resistance Heating Composites for Out of Oven/Autoclave Applications Thermal Analysis of Large Area Additive Manufacturing Resistance Heating Composites for Out of Oven/Autoclave Applications... High-Performance Molded Composites Using Additively Manufactured Preforms with Controlled Fiber and Pore Morphology... Post-Process Annealing of Large-Scale 3D Printed Polyphenylene Sulfide Composites... HYBRID MANUFACTURING TECHNIQUE USING LARGE-SCALE ADDITIVE MANUFACTURING AND COMPRESSION MOLDING FOR HIGH PERFORMANCE COMPOSIT... CHARACTERIZATION ON ANISOTROPIC THERMAL CONDUCTIVITY FOR BIG AREA ADDITIVE MANUFACTURING WITH POLYMERS... Characterization of Mechanical Performance of Composites Fabricated Using Innovative Carbon Fiber Wet Laid Process Mechanical Characterization of High-Temperature Carbon Fiber-Polyphenylene Sulfide Composites for Large Area Extrusion Deposi... Additive Manufacturing of Isotropic NdFeB PPS Bonded Permanent Magnets... Pagination First page « First Previous page ‹‹ Page 1 Current page 2 Page 3 … Next page ›› Last page Last » Key Links Google Scholar ORCID LinkedIn https://www.ornl.gov/advancedmanufacturing Organizations Energy Science and Technology Directorate Manufacturing Science Division User Facilities Manufacturing Demonstration Facility