Friction stir welding GIF:
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Here's the bulkhead and nosecone of the Orion spacecraft being joined with friction stir welding:
https://s3-us-west-1.amazonaws.com/h...ding_orion.jpg
Explanation:
https://s3-us-west-1.amazonaws.com/h...planation1.jpg
https://s3-us-west-1.amazonaws.com/h...planation2.jpg
Video:
https://www.youtube.com/watch?v=aNbQH8XBgxQ
More:
https://en.wikipedia.org/wiki/Friction_stir_welding
Previously:
https://www.homemadetools.net/forum/...6268#post83362
https://www.homemadetools.net/forum/...loration-57862
https://www.homemadetools.net/forum/...tic-knot-62791