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  1. hotfusion

    ductility and fracture toughness

    I have ductility data for two types of a sintered metal, they are rather different 5-10% in one case and over 15% in the other case. Also the price is very different. I need to justify the choice of one or the other, I thought ductility was a good parameter, as for us limited (ideally zero)...
  2. hotfusion

    ductility and fracture toughness

    How can I quantify (in terms of %ductility) the fracture toughness of a (sintered) metal?
  3. hotfusion

    inconel 718 at 900C

    Is it possible the inconel 718 rods were pre-aged to be able to work at 900C? Personally I do not think so, but I cannot find any journal paper or similar to make my point. Do you have a suitable reference?
  4. hotfusion

    inconel 718 at 900C

    the load (roughly) is ~700 MPa (difference of the expansion coefficients X the change of temperature during a shot X Young modulus) plus the pre-load: these are tie bars across 2D CFC tiles we cannot change the material now: this is a large experimental device and the rods already in are 100s...
  5. hotfusion

    inconel 718 at 900C

    can inconel 718 be suitable for use under stress above 900C?

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