Manufacturing Industry
Carbon fiber and Kevlar make ultralight bike frame.(OF MATERIAL INTEREST)
Advanced Materials & Processes, May, 2005
A mountain bike created by a team of engineers at Brigham Young University (BYU), Provo, Utah, has a frame that is said to be "lighter, more aerodynamic, and less breakable than many top-of-the-line [carbon fiber] counterparts." The frame is made of carbon fiber intertwined with DuPont Kevlar aramid fiber string, and fabricated using civil engineering professor David W.
Jensen's IsoTruss system. IsoTruss is a cage-like, open tubular lattice that reportedly "optimizes the inherent strength of reinforcing pyramids and triangles." [ILLUSTRATION OMITTED] What the BYU bicycle team set out to accomplish was shrinking the IsoTruss structure from the conventional 5 to 18 in. (13 to 46 cm) in diameter to about 1 in. (2.5 cm) in diameter. And they succeeded. The...
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