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The university's first successful 3D printing of BNNT titanium composites.
Apr 25, 2018

Carbon nanotubes (CNTS) were originally created in the 1990s and have a multi-million dollar market due to its strength and conductivity.About a year ago, the national research council Canada began to expand production made of lightweight boron nitride nanotubes (BNNT), and forecast in the next decade, BNNT will be an increase of material manufacturing material, like carbon nanotubes.The day may come early, as researchers at the institute for advanced materials research (IFM) at the university of deacon in Australia report that they have successfully printed a type of BNNT/ titanium composite for the first time.


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The BNNT3D printing breakthrough was completed by the IFM's additive manufacturing team (led by Dr DanielFabijanic) and the nanotechnology team (led by professor Chen)."Boron nitride nanotube (BNNT) is a new advanced nano-material with many unique properties.They are super light, super strong, and extremely resistant to heat.However, in the 20 years since the discovery of this material, people can only produce a small amount of production, which severely limits the practical application of BNNT in product development.Our innovative and scalable manufacturing process can effectively eliminate this bottleneck and release the real power of BNNT to the market, "explained professor chan.

The large-scale 3D printing of BNNT is of great significance to aerospace, national defense, energy, automobile, health and other industries.BNNT structure, thermal conductivity and mechanical properties are similar to carbon nanotubes, but can withstand up to 800 high temperature (is double that of carbon nanotubes).This is BNNT as a 3D printing material so attractive: the high heat resistance can mean BNNT in metal matrix composites melt in the process of 3D printing and liquid powder of extreme high temperature intact.


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