Environmental arguments aside, the weak link in the electric car story might be a soft metal called neodymium. You may have heard of Nd:YAG lasers. The Nd stands for neodymium. Another major use is in permanent magnets, such as those used in electric cars. China controls most neodymium production and is now restricting exports and boosting tariffs. As a result of China’s actions and demand from electric car makers, neodymium prices are now close to $90/kg, up from $19.12 in 2009.
Efforts to find new global sources for the metal are accelerating. A Japanese joint venture will look for neodymium in Vietnam. An article in the Denver Post says there is a new “gold rush” for rare earth metals such as neodymium in Colorado and other Western states.
And not surprisingly, engineers are at work trying to improve the performance of induction motors in which magnetism is created by applying an electrical charge. The problem with induction motors is their poor efficiency and their large size compared to motors using permanent magnets. Continental AG, the largest noncaptive electric motor supplier for autos, is also working on alternative technical solutions.
Many of the new adhesives we're featuring in this slideshow are for use in automotive and other transportation applications. The rest of these new products are for a wide variety of applications including aviation, aerospace, electrical motors, electronics, industrial, and semiconductors.
A Columbia University team working on molecular-scale nano-robots with moving parts has run into wear-and-tear issues. They've become the first team to observe in detail and quantify this process, and are devising coping strategies by observing how living cells prevent aging.
Many of the new materials on display at MD&M West were developed to be strong, tough replacements for metal parts in different kinds of medical equipment: IV poles, connectors for medical devices, medical device trays, and torque-applying instruments for orthopedic surgery. Others are made for close contact with patients.
New sensor technology integrates sensors, traces, and electronics into a smart fabric for wearables that measures more dimensions -- force, location, size, twist, bend, stretch, and motion -- and displays data in 3D maps.
As we saw on the show floor this week at the Pacific Design & Manufacturing and co-located events in Anaheim, Calif., 3D printing is contributing to distributed manufacturing and being reinvented by engineers for their own needs. Meanwhile, new fasteners are appearing for wearable consumer and medical devices and Baxter Robot has another software upgrade.
Focus on Fundamentals consists of 45-minute on-line classes that cover a host of technologies. You learn without leaving the comfort of your desk. All classes are taught by subject-matter experts and all are archived. So if you can't attend live, attend at your convenience.