Look for extensive use of ceramics and new woven polymer materials in the armored vehicle that will replace the US Army’s Humvee. The Joint Light Tactical Vehicle will come in three types that will haul cargo and perform reconnaissance missions. The target weight is 20,000 pounds, about half the weight of currently used armored vehicles. That’s only three to four times the weight of pickup trucks. Under consideration will be use of composite systems such as aramid-fiber reinforced materials (Kevlar), ultra-high molecular weight polyethylene (UHMWPE) composites, and S-2 glass armor systems, which are also used in the Boeing Dreamliner. Capacities of all three are being rapidly expanded in anticipation of higher demand for military and other types of applications. Manufacturers of all three materials are dramatically expanding capacity right now to meet soaring demand.
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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