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  • Users: Heft
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  1. Heft

    UTS of aluminium 6025

    yeah im on the case as we speak. email sent off asking for a certificate. cheers for the replys
  2. Heft

    Frictional strain gauges ?

    has anyone out there have any experience in the used of frictional strain gauges. in particular used on curved surfaces such as pressure vessels? just want to see if there are practical?
  3. Heft

    UTS of aluminium 6025

    well i have purchased a bar of aluminium from the metal supermarket and thats what they told me (its aluminium 6025). yeah i tryed mat web and that kinda surprised me it wasnt there, just wanted to see if anyone out there had any experience with using it or even heard of it
  4. Heft

    UTS of aluminium 6025

    does anyone out there have the ultimate tensile strength of aluminium 6025 ? have looked alover the place and have came up with nothing. any help is appreciated ;-)
  5. Heft

    Pro-e and material properties

    i use si units, i have used matweb before (brilliant)but you will find all thermal conductivites in w/mk cheers again
  6. Heft

    Pro-e and material properties

    hi there, why is it that pro-e uses units for some of the material properties that i have never came across before. thermal conductivity for instance i would say (w/mK) was a good one but proe has (inlbm/(sec^3F)) maybe its just me but i have a hard time converting them any one know a good...
  7. Heft

    new material for a heat sink

    thanks for the replies, kenvlach, is fused sillica not quite expensive? and porcelin i have not thought about that. interesting
  8. Heft

    new material for a heat sink

    hi there at the moment we use a copper chrome disk (concave and convex lens shaped) to transfer the heat from a cast iron base to a pyrex cap, the curvature of the cap and the base are different so the copper has a varying thickness. what is happening is that the caps are cracking, and the...
  9. Heft

    Forces caused by the thermal expansion of a part.

    Hi everyone i know this may be a bit hard to explain but here goes. imagine a glass hemispherical cap is being pressed onto a copper insert, the insert is concave and exactly matches the shape of the glass cap. when the cap is pressing on the copper the parts are heated. what i want to know...

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