Choosing a material with a low coefficient of thermal expansion, such as Invar, is one method for minimizing thermal drift. |
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Aluminum is the most frequently used metal for structures, but in some cases stainless steels, titanium, or Invar may prove more advantageous. |
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Mr Bebb marvelled judges with a demonstration about Invar, an alloy which does not contract or expand when the temperature changes using nothing but balloons and chit-chat. |
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Invar segments small enough to transport on conventional roads will be shipped to Everett then assembled onsite. |
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Tooling materials include invar, steel, aluminium, reinforced silicone rubber, nickel, and carbon fibre. |
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