New answers tagged metals
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How is this metal, hollow sphere manufactured?
It looks like you've already received a pretty solid answer on how this specific ball was made (and I agree that it looks like it was welded).
For what it's worth, there are a few cases of hollow ...
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How is this metal, hollow sphere manufactured?
On the video on David Harber - mantle at 15 s in you can see this internal shot.
It appears to me that 1, 2 and 3 are continuous connections but 4 is overlapped and indicates an extremely neat weld.
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Why did the Soviet Alfa-class submarines have a titanium hull?
All Soviet industries were state owned, including titanium production.
So Soviet made titanium submarines to showcase their technological might.
THough titanium is strong, corrosion resistant and ...
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Why are car bodies not made of titanium?
Price average Titanium alloys costs 70-80 dollars a pound.
Steel cost 0.03 dollars a pound.
A unibody car chassis suddenly becomes 2000x more expensive for the raw material alone.
Workability, ...
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