printing
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Nanotechnology
Machine learning and 3D printing produce strong foaming materials of steel.
From left to right: A complete grid -shaped image is lined up with 1875 million cells floating in the bubble. Credit: Peter Cells /Toronta University Engineering Researchers at the University of Toronto University Applied Science & Engineering have designed a nano -amterior material with light Styrofoam’s strength using machine learning. A new paper published in the Advanced Materials explains how…
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Chemistry
Protein denaturation offers a path to more sustainable 3D printing of photoresins
A biodegradable alternative to some commodity plastics. Credit: Andrew J. Boydston The majority of photoresins for 3D printing (also known as additive manufacturing or AM) and related technologies are toxic, non-biodegradable, and sourced from unsustainable sources. Non-traditional approaches to 3D printing offer a way to break through the traditional limitations of chemical methods that require unsustainable petroleum-based reagents and toxic…
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Chemistry
Stretchable, flexible and recyclable: 3D printing creates amazing plastics
Unlike similar materials that require complex processing, plastic can be created with a 3D printer. Credit: Sameer A. Khan/Fotobuddy Princeton engineers have developed an easily scalable 3D printing technology to produce soft plastics with programmed stretch and flexibility. The technology is also recyclable and inexpensive, with qualities not typically combined with commercially manufactured materials. In an article in the journal…
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Physics
Deformable mirror technology takes laser welding and 3D printing to new heights
Illustration of adaptive beam shaping using deformable mirror technology. Credit: Yongcui Mi, https://www.diva-portal.org/smash/get/diva2:1909616/FULLTEXT03.pdf Yongcui Mi has developed a new technology that enables real-time shaping and control of laser beams for laser welding and directed energy deposition using lasers and wires. This innovation is based on the same mirror technology used in advanced telescopes for astronomy. Within a few years, this…
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Nanotechnology
One-step high-speed thermoelectric aerosol printing of piezoelectric bio-organic membranes
Schematic diagram of a thermoelectric aerosol (TEA) printer. Credit: Li Xuemu As the demand for bioMEMS, wearable/implantable electronics, and biological tissue therapeutics continues to soar, the pursuit of piezoelectric biomaterials has become a priority thanks to their excellent electromechanical properties, biocompatibility, and bioresorbability. I am. However, its technical potential is limited by the challenges of precise manipulation of nanobiomolecules, control…
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Nanotechnology
Beyond wires: Bubble printing technology powers next-generation electronics
Laser-induced microbubbles precisely position EGaIn colloidal particles on the glass surface, forming ultrathin, conductive, and flexible interconnects. Provided by: Yokohama National University Researchers at Yokohama National University have developed a promising bubble printing method that enables high-precision patterning of liquid metal interconnects for flexible electronics. This technology provides new options for creating bendable, stretchable, and highly conductive circuits that are…
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Nanotechnology
3D printing could improve microenergy storage
Close-up view of a Si-rich glass micro supercapacitor (MSC) 3D printed on a silicon substrate. Magnified 4720 times. Credit: Po Han Huang/KTH Royal Institute of Technology One of the keys to making mobile devices more compact and energy efficient lies in the precise nanoscale shape of the capacitors that store energy. Researchers in Sweden report that they have solved this…
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Nanotechnology
New etching technique improves powder absorption for metal 3D printing
A team from Lawrence Livermore National Laboratory, Stanford University, and the University of Pennsylvania has introduced a new wet chemical etching process to modify the surface of traditional metal powders used in 3D printing. By creating nanoscale grooves and textures, the researchers reportedly increased the absorption rate of these powders by up to 70%, allowing for more effective energy transfer…
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