Crompion International, Baton Rouge, La., reports that it has developed Cromgard C23, a specialty stainless steel with 23% chromium, 3.5 – 5% nickel, and 1 – 2% molybdenum.
Alcoa, Pittsburgh, announces that it has been awarded a five-year contract from the U.S. Army worth up to $50 million for R&D projects focused on developing innovative lightweighting solutions for ground combat vehicles such as tanks.
AMG Advanced Metallurgical Group N.V., Amsterdam, announces that its subsidiary ALD Vacuum Technologies has acquired the remaining 50% share of its joint venture company ALD-Holcroft from AFC-Holcroft.
Northrop Grumman, Falls Church, Va., has released this artist’s rendering of its B-21 stealth bomber, selected last year by the United States Air Force as the Long Range Strike Bomber of the 21st century.
Direct-current plasma arc guns combine an axially aligned cathode (typically, 1 to 2% thoriated tungsten), an anode/nozzle (typically, oxygen-free high-conductivity copper), and some means to control gas-flow geometry in the arc chamber.
