Recent content by J_chem

  1. J

    Ball Drop Impact test - equations?

    Yes, the spike would break the material at a lower height.. I guess I'm trying to find out if there is some constant, or concept that could relate the two. ie. something that would take surface area of impact into consideration. Thanks for the answers btw. very helpful =)
  2. J

    Ball Drop Impact test - equations?

    thanks for the answers. I was also wondering if impact area matters? Is there a way to find out the impact area of a steel ball? If a sphere hits a surface and we assume zero elasticity, it would just be a point right?
  3. J

    Ball Drop Impact test - equations?

    Ball Drop Impact test - equations?? I'm hoping someone can point me in the right direction here. =) I'm testing a bunch of materials by dropping a steel ball from increasing heights until the materials break. So I have a bunch of data that looks like this: Material A - broke at 18cm...
  4. J

    Impact area of a steel ball on a surface

    Hey everyone. I'm doing some impact testing, and I'm dropping a steel ball from different heights to test the strength of different materials. How would I go about finding the impact area of the steel ball on the surface? Thanks! edit: also, does area matter? would I be better off rating...
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