This $550,000 Project Grant awarded by the National Science Foundation's (NSF) Engineering program (CFDA 47.041) supports research into a mold-free, additive manufacturing process called "Growth Printing" for rapidly producing high-performance polymer parts. The project at the University of Illinois aims to develop a self-propagating polymerization front triggered by laser initiation, which can quickly solidify liquid polymer resin to create useful part geometries without the need...
This $404,595 National Science Foundation (NSF) Engineering program grant, awarded to the University of Delaware on March 1, 2024, supports research to enhance multi-material additive manufacturing (3D printing) through the use of advective assembly techniques. The project aims to develop modular 3D printing nozzles capable of rapidly structuring and depositing multi-material composites at higher resolution and volumetric throughput than conventional methods. This could enable new applications...
The National Science Foundation awarded a $657,610 Project Grant to the University of Pittsburgh under the Engineering program (CFDA 47.041) to support research toward establishing a novel dual-wavelength photoinhibition aided photopolymer additive manufacturing process. The university will develop a digital light processing method using a second wavelength light to curb curing and enhance the geometric fidelity and functional integrity of parts. Key activities include elucidating light...
The National Science Foundation awarded a $567,121 Project Grant to Michigan State University under the Engineering (47.041) federal grant program. The grant funds fundamental research to develop a new metal additive manufacturing process using light projection of mixtures of photopolymer and metal powder. Rather than point-by-point printing, the proposed process would use digital light projection to cure an entire layer of photopolymer mixed with metal powder. This could enable high-speed...
This Project Grant award from the National Science Foundation (NSF) Directorate for Engineering (CFDA 47.041) totaling $344,918 will establish a collaborative research program at Florida International University (FIU) to develop advanced data-driven approaches for additive manufacturing (AM) or 3D printing of materials with locally tunable electrical and mechanical properties. The research aims to create new polymer resin formulations for digital light processing (DLP) 3D printing that can...
The National Science Foundation Division of Civil, Mechanical, and Manufacturing Innovation awarded Stanford University a $413,280 Project Grant under the Engineering (47.041) federal grant program. The three-year grant will fund research on programmable surfaces through scalable self-assembly of particles printed by two-photon polymerization. Specifically, Stanford University will develop techniques for creating surfaces that can dynamically change properties or functions through the controlled...
This $391,345 Project Grant awarded by the National Science Foundation (NSF) Engineering program supports research at Stanford University to develop optically recyclable polymer resins for sustainable additive manufacturing. The project aims to engineer reversible photochemical mechanisms and nanoparticle-based light delivery systems that would allow 3D-printed materials to be optically "erased" and reused over multiple cycles, transitioning from a linear...
This $436,945 Project Grant awarded by the National Science Foundation's Engineering program (CFDA 47.041) aims to improve the fundamental understanding of laser-induced bubble dynamics and fluid mechanics in the context of hydrogel 3D printing. The research combines modeling, simulation, and experimentation to elucidate the multiscale mechanisms driving laser-induced bubble formation and the resulting hydrogel jet flow in laser-assisted printing processes. Key objectives include developing...
The National Science Foundation (NSF) awarded a $1,149,379 Project Grant through the Mathematical and Physical Sciences program (CFDA 47.049) to the University of California, Santa Barbara (UCSB) to develop methods and materials for additive manufacturing that enable 3D printing of multi-material objects. The key research objectives are: 1) developing multi-material digital light processing (DLP) resins using machine learning to create patterns with extreme mechanical contrast, 2) creating a...
This $800,000 Project Grant awarded by the National Science Foundation's (NSF) Mathematical and Physical Sciences program (CFDA 47.049) will enable Iowa State University of Science and Technology to develop new materials and manufacturing methods for 3D printing multi-material objects with varying mechanical properties. The key objectives are to use machine learning to create resins enabling extreme mechanical contrast, develop a multi-material 3D printing process using photoswitches, and...
This $511,664 federal Project Grant award from the National Science Foundation's Engineering program (CFDA 47.041) aims to develop a transformative new vat polymerization process for advanced manufacturing, named "ICLIP". The project, awarded to The Leland Stanford Junior University, seeks to fundamentally change the vat polymerization process by injecting material through the printed part during processing. This approach could result in a two-order-of-magnitude increase in printing speed and enable the production of defect-free, multi-material parts with high resolution, including microfluidic structures down to 25 microns. The research will involve computer simulation and theory development to engineer the resin injection network and optimize the printing process parameters. If successful, this innovative ICLIP process could significantly enhance the capabilities of vat polymerization additive manufacturing to compete with injection molding in various applications. The award period runs from November 2024 through October 2027.