Original article from: TheKneeslider.com –

Original article from: TheKneeslider.com –
Reading the latest Popular Mechanics (May 2010), they mentioned something I have not heard of before called friction stir welding. It’s a process used to join metal, usually aluminum, without an arc. Instead, it uses a spinning rod, rotating at 15,000 rpm to heat the metal and high pressure to [...]

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Friction Stir Welding