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  1. jasemty

    Part delamination in FEA thermal stress analysis

    Hi all, I found that some of the parts in electronic package model delaminate after FEA thermal stress analysis (ANSYS 7.0 Workbench) as follows: http://www2.acae.cuhk.edu.hk/~tyma00/before.JPG http://www2.acae.cuhk.edu.hk/~tyma00/after.JPG What can I do to solve this probelm? Thank you very much.
  2. jasemty

    Unit of thermal conductivity and CTE

    Thank all of you giving valuable help.
  3. jasemty

    Unit of thermal conductivity and CTE

    Dear quark: I find it in some spec. for adhesive. Dear kenvlach: Thanks for you help. How about the thermal conductivity? I can't convert the unit "ppm" to "W/m-K" because thermal conductivity is not a ratio.
  4. jasemty

    Unit of thermal conductivity and CTE

    I find the units of thermal conductivity and CTE are 'ppm', how can I convert if to W/mC and um/m/C? Thank you very much.

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