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  • Users: agb253
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  1. agb253

    relationship between hardness and Young's modulus in polymers

    Is there a reliable equation relating hardness to Young's modulus for polymers? I have a piece of polymer that would be hard for me to machine into a good tensile testing sample but it might be easy to perform a hardness test. Please help.
  2. agb253

    Analyzing results

    I performed FEAs on sections of some bolts to see what thread geometry is strongest. I would like to compare the VM stress between the bolts but Mechanica only gives the max values which are typically at some point at end of the thread. Is there a way to exclude values on the edges of the...
  3. agb253

    Optimization of threads in a bolt-nut assembly

    I am trying to minimize stress in a screw pullout test by optimizing the geometry (pitch, thread profile, etc.) of a bolt-nut assembly where the threads of the nut are made (using the component operation "Cut Out") by the bolt. The FEA runs fine but the optimization study gives the initial...

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