MIT Aerospace Engineers Develop Carbon Nanotube “Stitches” to Strengthen Composites August 8, 2016 Technology MIT aerospace engineers have found a way to bond composite layers, producing a material that is substantially stronger and more resistant to damage than other advanced composites. The improvement may lead to stronger, lighter airplane parts. Using carbon nanotube “stitches,” aerospace engineers from MIT have found a way to strengthen composites, helping make airplane frames lighter and more damage-resistant. The newest Airbus and Boeing passenger jets flying today are made primarily from advanced composite materials such as carbon fiber reinforced plastic — extremely light, durable materials that reduce the overall weight of the plane by as much as 20 percent compared to aluminum-bodied planes. Such lightweight airframes translate directly to fuel savings, which is a major point in advanced composites’ favor. But composite materials are also surprisingly vuln...
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