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No glue required: Wood and metal bonded with sound and 3D printing | The two methods create super strong bonds at the pore level, eliminating the need for caustic adhesives.
Manufacturing could be dramatically changed thanks to two new techniques for joining materials created by scientists in Austria. The two methods create super strong bonds at the pore level, eliminating the need for caustic adhesives.
The "Addjoining" technique 3D prints a material like the plastic composite seen here straight into the pores of an untreated piece of lumber It used an instrument called a sonotrode to send high-frequency, low vibration waves through the juncture of the wood and the metal polymers. “This technique is particularly suitable for large components and 2D structures since we achieve a precisely localized spot joint,” says Awais Awan, a co-author on the study.
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