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  1. Overheal

    Thermal Expansion of hollow features?

    Just a concept check: a 1/2" 6061 hex-bolt with a 3/8" threaded bore in the middle of it (closed on one end and threaded into another body). A steel heating element is installed in the 3/8" bore. When the Aluminum bolt expands, does the geometry of the 3/8" bore compress (tighten on the element)...

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