Composites Stabilize Diesel Train Engine Enclosures
A prototype diesel train engine housing made of a new polyurethane-based glass fiber sandwich material saves 35 percent weight and 30 percent cost over its steel and aluminum counterpart. (Source: Bayer MaterialScience)
Ok, so it's jumbled, but that's the point. We've heard so much about the use of composites in the automotive sector and in aerospace, even with large-scale boats and yachts, but not so much in trains. Improved access to more efficient and cost-effective mass transportation is equally as important as alternative energy sources and lightweighting vehicles as part of green energy strategies. This is a cool development. Any big deals yet for the technology?
These new 3D-printing technologies and printers include some that are truly boundary-breaking: a sophisticated new sub-$10,000, 10-plus materials bioprinter, the first industrial-strength silicone 3D-printing service, and a clever twist on 3D printing and thermoforming for making high-quality realistic models.
Using simulation to guide the drafting process can speed up the design and production of 3D-printed nanostructures, reduce errors, and even make it possible to scale up the structures. Oak Ridge National Laboratory has developed a model that does this.
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