Technique May Allow Welding 7075
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    May 2012
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    Default Technique May Allow Welding 7075

    There's a new technique developed at UCLA that may allow welding of 7075 without cracking. This is done using a filler with titanium carbide nanoparticles:

    Engineers at the UCLA Samueli School of Engineering have developed a way to weld the alloy, known as AA 7075. The solution: infusing titanium carbide nanoparticles — particles so small that they’re measured in units equal to one billionth of a meter — into AA 7075 welding wires, which are used as the filler material between the pieces being joined.

    Here's the press release style article:
    Nanotechnology enables engineers to weld previously un-weldable aluminum alloy | UCLA Samueli School Of Engineering

    Here's the paper at Nature:
    303 See Other

    No indication of a timeline for practical use.

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