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Fabrication of Ultrastrong 700 Gigapascal Fused Double-walled Carbon Nanotubes

The Clean Energy Research Foundation has discovered a method of manufacturing the worlds strongest and toughest materials. Fused double-walled carbon nanotube (DWNT) fibers were made with a strength of a 700 GPa Young’s modulus. This strength was seen in prior experiments, in 2010 and 2011, where electron beams welded DWNTs in microscopic bundles together and the fused bundles had 700 GPa tensile strength. There is now an effort to scale up production of ultrahigh strength material using high temperatures (1700-2300 C) and about 800 atmospheres of pressure instead of an expensive and time-consuming process using high-voltage e-beams. The electron dose
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