Gas tungsten arc welding

April 9, 2012 - 10:40am
Constellium aluminum alloy

Aluminum product developer Constellium wants to increase the percentage of recycled metal it produces for aerospace in a bid to realize both economic and environmental goals. The value of such alloys has grown with the addition of elements such as copper, silver and—critically—lithium. One kilogram (2.2 pounds) of aluminum costs about $2, while one kilogram of lithium—the lightest metal in nature—costs $100.

October 4, 2007 - 7:58am

People become packrats because they believe it never fails that they will need something the day after they’ve discarded it. Then one day they look at the bulging file cabinets and closets and decide to purge everything. Unfortunately, neither extreme is a good idea.

March 29, 2007 - 7:06am

Eclipse Aviation is committed to becoming, in the words of its founder, president and CEO, Vern Raburn, “The Ford Motor Company of business aviation.” To that end, it plans to attain an annual production capacity of 1,500 Eclipse 500 very light jets by 2009, using advances in production technology reminiscent of the mass-production assembly line and interchangeable parts innovations with which Henry Ford revolutionized the automobile industry