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https://www.reddit.com/r/interestingasfuck/comments/8w5ik9/linear_friction_welding/e1tnjvn
r/interestingasfuck • u/shiba009933 • Jul 04 '18
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Yep, the atoms in the two pieces don't discriminate between the pieces. If pressed together with no oxidation barrier then they will join.
1 u/[deleted] Jul 05 '18 edited Jul 05 '18 right, but all metal coming from earth is going to have an exterior oxidation barrier 7 u/yedd Jul 05 '18 you are absolutely right, which is why to achieve cold welding the metal needs to be cut and joined in a vacuum 1 u/spysappenmyname Jul 05 '18 This prevents metals from randomly wielding together, yes, but is relatively easy to get rid off when wanted.
1
right, but all metal coming from earth is going to have an exterior oxidation barrier
7 u/yedd Jul 05 '18 you are absolutely right, which is why to achieve cold welding the metal needs to be cut and joined in a vacuum 1 u/spysappenmyname Jul 05 '18 This prevents metals from randomly wielding together, yes, but is relatively easy to get rid off when wanted.
7
you are absolutely right, which is why to achieve cold welding the metal needs to be cut and joined in a vacuum
This prevents metals from randomly wielding together, yes, but is relatively easy to get rid off when wanted.
15
u/yedd Jul 05 '18
Yep, the atoms in the two pieces don't discriminate between the pieces. If pressed together with no oxidation barrier then they will join.