Ultrasonic waves form microscopic glass fibers into a pattern of lines, collectively creating a reinforcing microstructure that gives the printed component increased strength. (credit: Tom Llewellyn-Jones, Bruce Drinkwater and Richard Trask)
University of Bristol engineers have developed a new type of 3-D printing that can print strong composite materials.
The new method is based on a modification of an off-the-shelf 3D printer: mounting a switchable, focused laser module and an ultrasonic alignment apparatus.
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