I’ve heard of several new plastics that make excellent metal replacements. But concrete? That’s a first for me. A hydrogen-rich polymer loaded with boron actually can replace concrete as neutron-shielding material in nuclear power plants or nuclear submarines. The new Quadrant EPP material is currently available in machinable 1-inch x 48-inch x 96-inch plates. Borotron HD050 is a high-density polyethylene (HDPE) enhanced with 5 percent elemental boron to provide extra shielding against neutron radiation. The combination of boron within a matrix of HDPE, a naturally hydrogen-rich material, targets nuclear shielding applications. Hydrogen-rich materials attenuate neutrons extremely well and boron has an affinity for absorbing thermalized neutrons. Potential uses include shielding for radiation therapy rooms, where the product in plate form is integrated into the wall structure. Other application areas include nuclear research centers, nuclear power plants, power generation areas in nuclear submarines, production areas for nuclear detection devices and the equipment itself, and spacecraft exposed to radiation. Borotron HD050 plate is lighter than some other neutron shielding materials such as concrete, and easier to work with in construction than other options including water. The formulation was engineered by Quadrant Engineering Plastic Products (Quadrant EPP).
BMW has already incorporated more than 10,000 3D-printed parts in the Rolls-Royce Phantom and intends to expand the use of 3D printing in its cars even more in the future. Meanwhile, Daimler has started using additive manufacturing for producing spare parts in Mercedes-Benz Trucks.
SABIC's lightweighting polycarbonate glazing materials have appeared for the first time in a production car: the rear quarter window of Toyota's special edition 86 GRMN sports car, where they're saving 50% of its weight compared to conventional glass.
Design engineers play a big role in selecting both suppliers and materials for their designs. Our most recent Design News Materials Survey says they continue to be highly involved, in some ways even more than the last time we asked to peek inside their cubicles.
Daihatsu is one of the first carmakers to customize car exteriors using 3D printing's mass customization capabilities. Effect Skins -- small exterior bumper and fender panels in different colors and textures -- can be ordered for its Copen convertible.
Several new products in this group of new adhesives, coatings, and sealants are formulated to protect sensitive electronic components, or to seal components of commercial and military aircraft. Others are designed to operate in tough, messy, dirty oil & gas operations, or for rotary applications and motors.
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