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- In the world of drilling and construction, the hexagonal drill rod stands as a testament to the fusion of engineering prowess and practical innovation. This specialized tool, with its unique hexagonal shape, has revolutionized drilling operations, offering improved efficiency and precision in various applications.


Due to the hard carbon nanofibers and abundant welded joints among the nanofibers, the hard carbon aerogels display robust and stable mechanical performances, including super-elasticity, high strength, extremely fast recovery speed (860 mm s-1) and low energy loss coefficient (<0.16). After tested under 50 % strain for 104 cycles, the carbon aerogel shows only 2 % plastic deformation, and retained 93 % original stress.

