Nickel-titanium shape memory alloy spring tire designed for Mars rover

November 30, 2017
Source: ASM International

Nickel-titanium shape memory alloy spring tire designed for Mars rover

NASA Glenn Research Center, Cleveland, announces that its engineers have developed an airless compliant tire that consists of several hundred coiled wires of nickel-titanium shape memory alloy woven into a flexible mesh, giving the tires the ability to support high loads while also conforming to the terrain.

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Concentrations of rare earth elements >300 ppm found in American coal basins


Source: ASM International

Concentrations of rare earth elements >300 ppm found in American coal basins

The U.S. Department of Energy’s National Energy Technology Laboratory, Pittsburgh, reports that its engineers have found high rare earth element concentrations in coal samples taken from the Illinois, Northern Appalachian, Central Appalachian, Rocky Mountain Coal Basins, and the Pennsylvania Anthracite region.

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One Minute Mentor: Maps of Wear Resistance

November 27, 2017
Source: ASM International

One Minute Mentor: Maps of Wear Resistance

The images show wear maps for (a) treated and (b) nontreated 316 stainless steel. The T316 stainless steel was treated by low-temperature carburization.

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