In a new process, a metal insert is partially premolded and then overmolded using conventional technology with traditional plastics used for housings. In the premolding ptocess, conductive paths are affixed in place, and are also tightly sealed in one step. Application targets are sophisticated automotive mechatronic parts such as transmission and brake controls, sensors and plug-in connectors. A key new material is a nonreinforced copolyamide that overmolds the electrical conductive paths in electronic components, ensuring there is no contact with moisture or oil. According to a technical expert at BASF, the material’s developer, the polymer adheres very well to either metals or plastics. To compensate, other sealing methods, such a silicon adhesives or hot melts, were used. Some engineers even precoated metals to improve adhesion
A make-your-own Star Wars Sith Lightsaber hilt is heftier and better-looking than most others out there, according to its maker, Sean Charlesworth. You can 3D print it from free source files, and there's even a hardware kit available -- not free -- so you can build one just in time for Halloween.
Some next-generation bio-based materials are superior in performance to their petro-based counterparts, but also face some commercial challenges. This is especially true of certain biopolymers, adhesives, coatings, and advanced materials.
Cars and other vehicles, as well as electronics and medical devices, continue to lead the use cases for the new plastics products we've been seeing, as engineers design products for tougher environments.
LeMond Composites, founded by three-time Tour de France cycling champion Greg LeMond, is the first to license a new carbon fiber production method invented by Oak Ridge National Laboratory (ORNL) that's faster, cheaper, and greener.
This month will mark the launch of the SpeedFoiler, a super-fast, ultra-lightweight foiling catamaran that can fly short distances over water faster than other foiling designs, in part because of its carbon composite materials.
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