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Recent content by mikemkc

  1. mikemkc

    Division 3 Materials

    Sir, The allowable stress values used in Div.3 are applicable only if you are constructiong to that Code. The materials allowed are contained in the Code document. Do you have a Div.3 stamp? Is it your intent to design to this Code? mikemkc
  2. mikemkc

    Nut Factor

    Sirs, Does anyone know of a reliable source of information for the "nut factor" or coefficient of friction between silver plated bolts and an austenitic stainless steel part? Closest references I have been able to find are on the order of 0.4, between silver and steel.(details of...
  3. mikemkc

    Re: Spring Design

    Does anyone know of a good share/free ware program for spring design? Thanks, mikemkc
  4. mikemkc

    Re: Spring Design

    Does anyone know of a good share/free ware program for spring design? Thanks, mikemkc
  5. mikemkc

    Impact Testing

    Sir, There is a nonlinear relationship that is dependent on strain hardening coefficient of the specific material. I would be glad to offer some guidance with regard to literature sources if you can provide more detail. Mike
  6. mikemkc

    Basic sizing of nozzles

    Sir, The contemporary common reference is WRC-297 from the Pressure Vessel Research Council. I would like to have a copy of the article for discussion. Mike
  7. mikemkc

    Penetrants Check and HVOF ,which process should be first ?

    Sir, I am assuming that the penetrant check is to detect surface cracks. If this is true, then the penetrant must be used and read prior to coating. The coating will obscure surface defects, and render the penetrant test useless.
  8. mikemkc

    DIN Boiler Tubes

    Sir, The following link will get you started. http://www.heckmantube.com/facts_compare_specs.htm I would strongly suggest purchase of the standard if you intend to work to DIN specs.
  9. mikemkc

    Re: Mil Spec

    Gentlemen, I wrongly loaned my copy of MIL-HDBK-5E to a coworker which since time disappeared. Any suggestions about how I might procure a replacement copy? Mike
  10. mikemkc

    Military Specification

    Does any know where I might obtain a copy of MIL-HDBK-5E?
  11. mikemkc

    WRC-107 Question

    Sir, There are no available closed form solutions for the geometry that you describe. However, there are excellent FE solutions available that will permit the imposition of external loads and Code evaluation
  12. mikemkc

    High temperature alloys

    Sir, You have fallen victim to a typo. "Woldman's Engineering Alloys" has no listing for Hatealloy C, nor have I seen or heard of such a material in 25 years of PV design.

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