3D-Printing of glass now possible

3D-Printing of glass now possible
Posted: Apr 21, 2017 (Nanowerk News) Three-dimensional printing allows extremely small and complex structures to be made even in small series. A method developed at the KIT for the first time allows also glass to be used for this technique. As a consequence of the properties of glass, such as transparency, thermal stability and resistance to acids, the use of this material in 3D-printing opens up manifold new applications in production and research, s…
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3-D-printable implants may ease damaged knees

3-D-printable implants may ease damaged knees
Posted: Apr 19, 2017 (Nanowerk News) A cartilage-mimicking material created by researchers at Duke University may one day allow surgeons to 3-D print replacement knee parts that are custom-shaped to each patient's anatomy. Human knees come with a pair of built-in shock absorbers called the menisci. These ear-shaped hunks of cartilage, nestled between the thigh and shin bones, cushion every step we take. But a lifetime of wear-and-tear -- or a single wr…
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New method for 3D printing extraterrestrial materials

New method for 3D printing extraterrestrial materials
Posted: Apr 12, 2017 (Nanowerk News) When humans begin to colonize the moon and Mars, they will need to be able to make everything from small tools to large buildings using the limited surrounding resources. Northwestern Engineering’s Ramille Shah and her Tissue Engineering and Additive Manufacturing (TEAM) Laboratory have demonstrated the ability to 3D-print structures with simulants of Martian and lunar dust. This work uses an extension of their “3D-…
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New research could help speed up the 3-D printing process

New research could help speed up the 3-D printing process
Posted: Apr 04, 2017 (Nanowerk News) A research team led by Professor John Hart from the Department of Mechanical Engineering and Laboratory for Manufacturing and Productivity at the Massachusetts Institute of Technology, and including Binghamton Assistant Professor of Mechanical Engineering Scott Schiffres, found that many conventional desktop and professional AM systems build objects at about 10-20 cubic centimeters per hour when printing at a 0.2 millimeter thickne…
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Reinventing metal 3D printing with direct metal writing process

Reinventing metal 3D printing with direct metal writing process
Posted: Mar 30, 2017 (Nanowerk News) Metal 3D printing has enormous potential to revolutionize modern manufacturing. However, the most popular metal printing processes, which use lasers to fuse together fine metal powder, have their limitations. Parts produced using Selective Laser Melting (SLM) and other powder-based metal techniques often end up with gaps or defects caused by a variety of factors. To overcome those drawbacks, Lawrence Livermore Natio…
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3-D bioprinted human cartilage cells can be implanted

3-D bioprinted human cartilage cells can be implanted
Posted: Mar 23, 2017 (Nanowerk News) Swedish researchers at Chalmers University of Technology and Sahlgrenska Academy have successfully induced human cartilage cells to live and grow in an animal model, using 3D bioprinting. The results will move development closer to a potential future in which it will be possible to help patients by giving them new body parts through 3D bioprinting. The results were recently presented in the journal Plastic and Recon…
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Dramatic improvement in surface finishing of 3-D printing

Dramatic improvement in surface finishing of 3-D printing
Posted: Mar 13, 2017 (Nanowerk News) Waseda University researchers have developed a process to dramatically improve the quality of 3D printed resin products. The process combines greatly improved surface texture and higher structural rigidity with lower cost, less complexity, safer use of solvent chemicals and elimination of troublesome waste dust. A shows a printed surface with no smoothing; B is first step using the pen to d…
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3-D printing with cellulose

3-D printing with cellulose
Posted: Mar 03, 2017 (Nanowerk News) For centuries, cellulose has formed the basis of the world’s most abundantly printed-on material: paper. Now, thanks to new research at MIT, it may also become an abundant material to print with — potentially providing a renewable, biodegradable alternative to the polymers currently used in 3-D printing materials. “Cellulose is the most abundant organic polymer in the world,” says MIT postdoc Sebastian Pattinson, le…
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3D printing with high-performance aerospace-grade carbon fiber (w/video)

3D printing with high-performance aerospace-grade carbon fiber (w/video)
Posted: Feb 28, 2017 (Nanowerk News) Lawrence Livermore National Lab researchers have become the first to 3D print aerospace-grade carbon fiber composites, opening the door to greater control and optimization of the lightweight, yet stronger than steel material. The research, published by the journal Nature Scientific Reports represents a “significant advance” in the development of micro-extrusion 3D printing techniques for carbon fiber, the authors re…
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Most stretchable elastomer for 3-D printing

Most stretchable elastomer for 3-D printing
Posted: Feb 09, 2017 (Nanowerk News) Due to its excellent material properties of elasticity, resilience, and electrical and thermal insulation, elastomers have been used in a myriad of applications. They are especially ideal for fabricating soft robots, flexible electronics and smart biomedical devices which require soft and deformable material properties to establish safe and smooth interactions with humans externally and internally. However, to date,…
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