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  1. JourneymanEng

    Young's modulus - change with temp variations?

    Thanks for that ajose. It would be good to have a look at a curve - do you have a good reference with a graph of the non linear properties? Strangely the majority of books i have sourced on Steel properties do not provide much on teh changes in Young's Modulus. JM
  2. JourneymanEng

    Thermal Expansion - Measurement

    Hello all, I have an interesting problem with a micro GT and Recup combination. Background: Thermal expansion is wreaking havoc with bellows and pipework. I suspect a combination of unrelieved stresses in the fabricated pipes, and an incorrect config for the bellows. Problem: I would like to...
  3. JourneymanEng

    Young's modulus - change with temp variations?

    I am trying to conduct a simple FEA on a Stainless component that will experience temperatures in excess of 650 degrees C. Problem: I would like to change the material properties of the Steel i am using to establish the maximum deflection under load. While my FEA package (ALGOR) will allow...
  4. JourneymanEng

    Flange design

    Engineers all, Thank you for your advice, I thought it best to give some sort of update to the problem. Around the time of posting this question I conducted some rudimentary checks on the proposed system using Algor. It seems that for 15mm thick flange of circa 300mm diameter, the loss of one...
  5. JourneymanEng

    Flange design

    Fellow engineers - I have a problem. Outline: Flange design theory and RsOT. Where can i aquire a design resource that covers the basic rules on designing an adequate flange? Details: A gas turbine requires a seal at the combustor outlet. Our engine casing design prevents flange access over a...
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