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  1. travisr34

    elastic resilience

    Sorry my clip picture got ruined dont even try to follow that. ...--.....<point of deflection ./..../...../ ...../ ..../ .../ ../...<---point of force
  2. travisr34

    elastic resilience

    Wow I really like all the interest on this forum. Thank you for your response greg that is exactly what I wanted to know. To break down what I am doing a little further. I do not know my allowable deflection. My allowable deflection is going to be determined by the materials yield stress, which...
  3. travisr34

    elastic resilience

    Thank you both for your response. So are you telling me that my modulus of elasticity will not change after the material has been hardened/heat treated? That the reduction of strain is a factor of an increased yield strength and not a reduction ductility? Basically for a material is...
  4. travisr34

    elastic resilience

    I am designing a flat spring from sheet metal, a sheet metal clip. I am having trouble choosing material for my spring. My spring will require a lot of force for its size, so much so that I am worried about yielding. In short I am looking for a high yield strength, ductile, and cheap material...
  5. travisr34

    Contact resistance of plating

    I am currently writing a plating spec. I was wondering if there is some type of unit or rating for the contact resistance of different type of plating. For example the electrical resistance of conversion coating on aluminum or zinc on steel. The company I work at ran across an issue where we...
  6. travisr34

    Clinch nuts vs tapped extrusions sheet metal

    I am currently designing a sheet metal chassis out of 18 gauge steel for use in the electronics industry. I was looking at using either clinch nuts or tapped extrusions to fasten parts together. Clinch nuts I am very familiar with, tapped extruded holes I am not. The main concern here is cost. I...

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