29 May '15, 12pm

SpaceX Shares Unique Friction Welding Technique With Tesla

Specifically, SpaceX shared its own method of friction stir welding with Tesla Motors. Rather than use heat to melt two pieces of metal or alloy together, friction welding softens the metal on both sides of the weld in order to merge them together. This maintains the strength of the aluminum-alloys Musk is particularly fond of for building both his rocket ships and electric cars. The end result is stronger and lighter than a traditional aluminum weld, and with just 10% waste metal. The above video, while not specifically from either Tesla or SpaceX, demonstrates how friction stir welding actually works.

Full article: http://gas2.org/2015/05/29/spacex-shares-unique-friction-...

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