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Several years ago, researchers from QSS Group Inc. and the Ohio Aerospace Institute were interested in finding a commercially available adhesive that bonds titanium pipes to carbon-carbon composite (CCC) sheets. The reason: Doing so would lower the cost of assembling spacecraft heat-rejection systems made of these joined materials.
Engineers at NASA recently earmarked a couple of emerging technologies that may alter the way aircraft are designed and built in the coming decades. If successful, each could lead to planes that are quieter, more energy efficient and produce fewer emissions.
Engineers at Clemson University are tackling the lightweighting challenge by developing new applications for carbon-fiber composites and other nontraditional materials.
Manufacturers in many industries like to build with composites because they are lightweight and have high strength-to-weight ratios that often exceed steel and aluminum. At the same time, though, these materials can be hard to properly bond to thermoplastic, metal and other composites.
BEAVERCREEK, OH—Northrop Grumman Corp. has opened a new addition to its assembly plant here and reaffirmed its intent to add manufacturing jobs at the site.
If it rolls, floats or flies, lightweighting is one of the biggest challenges facing manufacturers today. The push for new materials is forcing engineers in a variety of industries to explore cost-effective alternatives and develop new assembly processes.
HUNTSVILLE, AL—GE Aviation is expected to begin production later this year at a new factory here to mass-produce certain lightweight, heat-resistant materials for parts designed to enhance jet engine performance and fuel economy, according to the company.
As aerospace engineers attempt to create products that can fly faster, higher and more efficiently, new types of materials are essential. Ceramic matrix composites (CMCs) hold tremendous promise. However, they can be difficult to join.
As automakers and suppliers search for new ways to reduce vehicle weight, some engineers are experimenting with natural fibers. Bamboo, cotton, hemp, jute, kenaf, rice and other crops can be used to produce high-strength composite structures for automotive applications.
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