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  • Users: Jboezi
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  1. Jboezi

    Specification for Tungsten heat treatment for stress relief

    I have a group of tungsten pins used in an application like a single cathode. They are 2% lanthanum doped. We have noticed that when an arc is generated in our product the cathodes tend to warp. This is causing instability. We believe this warping to be due relief of stress due to material...
  2. Jboezi

    Seal Design References

    Does anyone own this or have experience with it? There are only two reviews and I'm curious if anyone would recommend it. Seals And Sealing Handbook by Robert K Flitney 5 ED http://www.amazon.com/Seals-Sealing-Handbook-Fifth-Edition/dp/1856174611/ref=sr_1_7?s=books&ie=UTF8&qid=1334696853&sr=1-7...
  3. Jboezi

    UV Transmittance Spec

    I am searching for a polypropylene resin grade that I may spec for an injection molded part. The criteria are that it is a preapproved FDA compliant plastic and that the material blocks at least 90% of transmission of UV light. What I'm struggling with is how to spec this second characteristic...
  4. Jboezi

    Plastics suitable for -40C applications

    I'm looking for recommendations on plastics suitable for function at a temperature range down to -40C. This will essentially be a block, its sole functional requirement will be a compressive load, so I need something that doesn't become brittle at -40C. The resin must be injection moldable. I'm...

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