New Foaming Metal Could Form Lighter Hulls For Cargo Ships | Popular Science
: A new aluminum-titanium hydride powder developed at the Fraunhofer Institute for Machine Tools and Forming Technology in Chemnitz, Germany, foams when it is heated up, rising like a leavened loaf of bread. The powder, which is lighter than water, is first pressed into bars, then placed between two steel sheets and heated in an oven. Around 1,200 degrees F, the foam rises and bonds to the steel...
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