Featuring minimum tensile strength levels of between 1,000 and 1,400 MPa, a series of new cold-rolled ultra-high-strength steels combine superior performance with low weight. Named Docol UHS, the new steels are particularly applicable to the automotive industry. Their high energy-absorbing properties, for example, make them useful as structural members and for components used in a car's crumple zone. Jan-Olof Sperle, research manager for SSAB Swedish Steel, points out that "the steel is hardened before leaving the factory. Consequently, industries using these steels no longer require their own warm-up plants and hardening furnaces." Cutting, shaping, and welding, he adds, are achieved with traditional methods. The Docol UHS series consists of three standard steels: Docol 1000 DP, Docol 1200 DP, and Docol 1400 DP. Numbers relate to maximum loads measured in megapascals, MPa. For further information call Roy Johansson at +46-243-700-00
In a line of ultra-futuristic projects, DARPA is developing a brain microchip that will help heal the bodies and minds of soldiers. A final product is far off, but preliminary chips are already being tested.
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