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I want to thank Project Sunride for the amazing opportunity to contribute to Sunfire III. Over these last few months, I’ve learned loads about rocket engines including combustion chamber geometry, injector design, cooling mechanisms, and overall structural integrity. Participating in the design process for Sunfire III has taught me so many important lessons about optimising performance, efficiency, and reliability. This experience has helped me understand thermal management techniques, such as regenerative cooling and ablative coatings, and their impact on engine performance and longevity. Now it’s onto analysing all the data to assess engine behaviour and identify anomalies; it’s a good thing we had all of those thermocouples! Engineering is an iterative process, and I’m already looking forward to the design of Sunfire IV! More rocket content coming soon… 🚀

🛫 Aerospace MDPI New Paper 📜 Shape Morphing of 4D-Printed #Polylactic_Acid Structures under Thermal Stimuli: An Experimental and Finite Element Analysis ✍ Grigorios Kostopoulos, Konstantinos Stamoulis, Vaios Lappas, Stelios K. Georgantzinos 🏫 National & Kapodistrian University of Athens 🏫 Amsterdam University of Applied Sciences 👉 https://lnkd.in/grWcfsZV #shapemorphing #4Dprinting #additivemanufacturing #printingparameters #designofexperiments #finiteelementanalysis

The Energy I-Corps Program is enabling researchers at DOE’s Fermilab to bring compact electron guns for 3D printing of metals to industry! 🙌 Energy I-Corps program has historically offered an intensive two-month training during which the National Lab researchers explore viable market pathways for their technologies. Under the new Topic 3: Post Energy I-Corps track introduced last year, program alumni applied for additional assistance to aid their next step toward commercialization. OTT and FECM are supporting Fermilab through Topic 3 to ultimately get this cutting-edge technology into use. Metal printing holds significant manufacturing value in the energy and aerospace industries. Learn more: https://bit.ly/3SmZgVL #TechTransfer #NationalLabs

Binder jetting additive manufacturing (BJAM) technology has attracted interest in the #AM community due to its ability to rapidly and cos-effectively fabricate complex structures with relatively isotropic properties. In collaboration with Cetim - Centre technique des industries mécaniques and NASA - National Aeronautics and Space Administration, #NCAME is investigating the geometry, microstructure, and mechanical properties of widely used 17-4 precipitation hardened (PH) stainless steel (SS) alloy fabricated via BJAM. This includes the examination of geometric feature capability, microstructure, and mechanical properties of BJAM 17-4 PH SS parts fabricated in different orientation and undergone various heat treatments. The findings from this study will help bridge the gap between the #research and practical applications, enabling tooling and other industrial applications using BJAM technology for efficient manufacturing solutions. Indrajit Nandi, Mohammadreza Daroonparvar, Pooriya Nezhadfar, DRISS EL KHOUKHI, Fabien Lefebvre, Benoit Verquin, Maxime ROBERT, Guillaume Mohara, Quentin Charron, Robin Hauteville, Paul Gradl, Shuai Shao, Nima Shamsaei Auburn University National Center for Additive Manufacturing Excellence (NCAME) #additivemanufacturing, #advancedmanufacturing, #3dprinting, #BJAM, #microstructural_characterization, #mechanical_properties

"Never before seen together in nature" Drawing inspiration from plants and coral a research team at Australia's RMIT University designed a unique lattice that evenly distributes stress concentrations. Only possible to actually manufacture thanks to #additivemanufacturing techniques, in particular SLS. The team expects this to be useful in a wide variety of applications, from bone #implants to #aerospace. Another amazing example of how #industry40 and #materialsscience is changing the world. https://lnkd.in/gDCtv77V

Optica [#OPG_Optica] research displays the fabrication of millimeter-sized optical components using tomographic volumetric additive manufacturing: https://bit.ly/3KRnBQk The research team purposefully blurred writing beams by using a large etendue source and eliminated striations to enable the rapid and direct fabrication of smooth surfaces. This approach paves the way for the low-cost, rapid prototyping of freeform optical components. Written by: Daniel Webber, Yujie Zhang, Kathleen L. Sampson, Michel Picard, Thomas Lacelle, Chantal Paquet, Jonathan Boisvert, and Antony Orth #opticalcomponents #scienceandtechnology #optics #physics National Research Council Canada / Conseil national de recherches Canada

Using experiment, theory, and FE simulation, in our recent work led by Arjun Prihar we aimed to understand the (fracture) mechanics of sinusoidal architected concrete enabled by robotic additive manufacturing. Sinusoidal designs have been widely used in concrete additive manufacturing but rarely studied. The work highlights how bio-inspired sinusoidal designs can be used to enhance the mechanical performance of rectilinear layered additively manufactured concrete. See the full paper if you are interested to learn more: https://lnkd.in/eJkUgMPx Many thanks to the National Science Foundation (NSF) for the support of this research, as well as our collaborative group member Dr. Aimane Najmeddine, Ph.D., and my colleague Prof. Maria Garlock. #digitalconcrete #3dcp #digitalconstruction #architectedmaterials #architectedconcrete #Fracturemechanics #finiteelementanalysis #bioinspireddesign #concrete3dprinting #sinusoidal

GRX-810 to enter the commercial aviation and aerospace markets In 2023,NASA innovators developed a new metal alloy using a 3D printing process that dramatically improves the strength and durability. https://lnkd.in/guMQwh43 NASA Alloy GRX-810, an oxide dispersion strengthened (ODS) alloy, can endure temperatures over 2,000 degrees Fahrenheit, is more malleable, and can survive more than 1,000 times longer than existing state-of-the-art alloys. These new alloys can be used to build aerospace parts for high temperature applications, like those inside aircraft and rocket engines, because ODS alloys can withstand harsher conditions before reaching their breaking point. Recently, NASA the US National Aeronautics and Space Administration, has announced that it has licensed its GRX-810 superalloy to five US-based companies. NASA has agreed to license its high-performance material to metal 3D printing material developers Carpenter Technology Corporation, Elementum 3D, Linde Advanced Material Technologies, Inc., and Powder Alloy Corporation. The co-exclusive agreement will allow these US firms to manufacture and sell GRX-810 to aviation and aerospace equipment manufacturers, as well as the broader supply chain. These agreements have been delivered via NASA’s Technology Transfer Program, which files patent applications for new technologies and identifies commercialization partners. Link- https://lnkd.in/gZj7fyd4 The material was invented by Dr Tim Smith and Christopher Kantzos at NASA’s Glenn Research Center in Cleveland. According to Smith, the new superalloy can dramatically improve the strength and toughness of parts used in aviation and space exploration. #newalloy #aviationindustry #nasa #additivemanufacturing #technologytransfer #commercialisation #spaceindustry #future #materials

🌟 Spotlight on Cutting-Edge Research! 🌟 | "A 3D Printable Alloy Designed for Extreme Environments" | Nature Scientific Reports Excited to share our latest publication in Nature titled "A 3D Printable Alloy Designed for Extreme Environments". 🚀🔬 Authors: Timothy M. Smith, Christopher A. Kantzos, Nikolai A. Zarkevich, Bryan J. Harder, Milan Heczko, Paul R. Gradl, Aaron C. Thompson, Michael J. Mills, Timothy P. Gabb, John W. Lawson Article Summary: Introduction of GRX-810: A NiCoCr-based alloy reinforced with nanoscale Y₂O₃ particles, designed using a model-driven approach. Manufacturing Technique: Utilized laser powder bed fusion to disperse oxides uniformly throughout the alloy, eliminating the need for traditional, resource-intensive processing steps. Mechanical Enhancements: Twofold improvement in strength: Significantly stronger than traditional Ni-based alloys. Over 1,000-fold better creep performance: Exceptional resistance to deformation under high-temperature conditions. Twofold improvement in oxidation resistance: Enhanced durability at 1,093°C, crucial for extreme environments. Implications: Demonstrates the potential of combining model-driven alloy design with additive manufacturing to create superior materials efficiently, marking a significant advancement for aerospace and energy applications. 🔗 Read the full article:https://lnkd.in/g8NS3_Js. Acknowledgement: The material was invented by Dr. Tim Smith and Christopher Kantzos at NASA’s Glenn Research Center in Cleveland. According to Smith, the new superalloy can dramatically improve the strength and toughness of parts used in aviation and space exploration. I am proud to share this groundbreaking research that paves the way for the future of materials science and engineering. 🌟🛠️ #MaterialScience #AdditiveManufacturing #Innovation #Aerospace #Research #Science #Engineering

𝗡𝗘𝗪 𝗡𝗔𝗡𝗢𝗠𝗔𝗧𝗘𝗥𝗜𝗔𝗟 𝗣𝗥𝗢𝗩𝗘𝗦 𝗦𝗥𝗢𝗡𝗚𝗘𝗥 𝗧𝗛𝗔𝗡 𝗞𝗘𝗩𝗟𝗔𝗥! Fascinating research from Caltech! Professor Julia R Greer (@Caltech) and her team have developed a new nano-architected material that can stop supersonic projectiles pound-for-pound better than Kevlar! This innovative material is made from tiny carbon struts arranged in a specific pattern using a process called two-photon lithography. These microstructures, called microlattices, possess unique properties like exceptional lightness and surprising resilience. Previously, nano-architected carbon wasn't very impact-resistant under slow loads. This research demonstrates its potential under high-speed deformation, making it ideal for applications like: 1)Ultra-lightweight, impact-resistant armor. ️ 2)Protective coatings for vehicles and buildings. ️ 3)Blast-resistant shields for military and civilian use. Professor Greer has even co-founded a company, #nFugue, to commercialize this technology. This is a game-changer for personal protective equipment and beyond! What do you think about the future of nano-architected materials? #nanomaterials #experiment #lithography #carbon #kevlar #startup #nanotechnology #nanoscience #ASME #Magazine