Researchers at Duke University have developed a solvent-free polymer for digital light processing (DLP) 3D printing, aimed at enhancing mechanical properties and environmental compatibility, particularly for medical applications. Published in Angewandte Chemie International Edition, this development marks one of the first solvent-free resins suitable for Digital Light Processing (DLP) 3D printing, eliminating the need for solvent-based dilution in the printing process, according to the researchers. DLP technology uses light to solidify liquid resin into layered structures, commonly used in industrial and dental fields. However, many polymers suited for DLP printing require a low-viscosity resin, similar to water, to achieve high resolution. To reduce viscosity, traditional methods often use solvents, which can introduce challenges such as up to 30% shrinkage in printed parts and residual stress from solvent evaporation, negatively impacting dimensional accuracy and mechanical strength. “I wanted to create an inherently thin, low-viscosity material for DLP to use for degradable… read more
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Hong Kong Eastern Hospital has developed new 3D printed models of newborn babies’ lungs to help doctors practice treating pneumothorax, a potentially dangerous condition where air builds up in the pleural cavity. The condition can cause lung collapse and affect breathing and heart function, requiring prompt medical intervention. The hospital’s research team combined artificial intelligence with real patient data, including CT scans, to create the models. To achieve realistic tissue properties, the team incorporated biological data from pig and chicken tissues in their development process. Researchers like Dr Victor Chan, right, are looking at creating more models to help surgeons practise different procedures. (Image Credit: RTHK) The models address a specific challenge in medical training: the relative rarity of pneumothorax cases in newborns makes it difficult for doctors to gain hands-on experience. These 3D printed simulations provide a practical solution for medical staff to practice the delicate procedure before performing… read more
With the funding from the European Union, the University of Cyprus (UCY) is spearheading the establishment of the Additive Manufacturing and Advanced Materials Competence Centre (AM2C3). Although the funding amount is undisclosed, this initiative brings together expertise from Cyprus, Norway, Switzerland, and Spain. Partners in the project include Norway’s Foundation of Industrial and Technical Research (SINTEF), the Swiss Federal Laboratories for Materials Science and Technology (EMPA), and Spain’s IMDEA Materials Institute with Dr. María Teresa Pérez-Prado, head of the Sustainable Metallurgy Research Group, will work closely with UCY researchers leading IMDEA’s contributions. Together, these organizations will develop advanced methodologies and characterisation techniques for Al-MMCs, which are known for their strength-to-weight ratios and suitability for high-value aerospace applications. IMDEA Materials team. Photo via IMDEA Materials. A hub for advanced materials By creating a hub for innovation, this project aims to address growing aerospace industry demands for low-volume, high-performance material solutions. In… read more
High-precision 3D scanner manufacturer 3DMakerpro has launched its new Moose 3D scanner series. Scheduled for release today, March 28th, the handheld scanners offer a seamless blend of user-friendly features and powerful scanning capabilities, catering to beginners and seasoned enthusiasts alike. Priced at $699 for Moose and $399 for Moose Lite, these devices aim to make 3D scanning accessible to a wider audience. Additionally, the company is offering an early bird discount of approximately 35% off for both Moose and Moose Lite from March 28th to April 28th. “Launching Moose and Moose Lite is a significant step forward in handheld 3D scanning. We’re excited to offer intuitive features and impressive performance to users. As we continue to innovate at 3DMakerpro, Moose provides an easy entry for expert 3D scanning and modeling.” says 3DMakerpro. 3DMakerpro’s new Moose 3D scanner series. Image via 3DMakerpro. Specializing in 3D scanning devices, 3DMakerpro aims to offer… read more
German research organization Fraunhofer Institute for Laser Technology ILT will showcase its new 3D printing beam shaping technology at Formnext 2024. Working with the Chair of Technology of Optical Systems (TOS) at RWTH Aachen University, the new platform, the Fraunhofer team is developing a test system for investigating complex laser beam profiles. This platform can create customized beam profiles for laser powder bed fusion (LPBF) 3D printing, enhancing part quality, process stability and productivity, while minimizing material waste. Fraunhofer ILT’s new system uses Liquid Crystal on Silicon – Spatial Light Modulators (LCoS-SLMs) to selectively bend the phase front of the laser beam during 3D printing. It can reportedly achieve more complex profiles than the basic ring and rectangular shapes achieved in previous research. This will allow researchers to investigate almost any beam profile used in LPBF. The complex profiles can then be matched with specific industrial 3D printing applications to… read more
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