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Looking up superconducting cables on the net , I doubt very much that any casting is involved ( to produce the final cables). The figures show multiple concentric tubes , some tubes to carry the cooling fluid and other tubes are the conductors and copper and insulation... If it was necessary to combine the copper and conductor into a single tube ( in the ...


If it is not in the solution annealed condition , aging ( I guess that is what you mean by tempering) will do about nothing. If is in "as rolled" condition it may have cooled quickly enough to be partly solution annealed; then it may harden slightly during aging.


Long story short : In any moving part you need to use a bearing, however there are many, many types of bearings. The main two types are : Also important is the direction of the bearing : If you google on 'buy bearing' you can ...

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