Microstructure after Case hardening

[vtkenjale]

Hi friends, one of my customer required the microstructure of the case hardened part like" Fine needle like martensite state". Is there any measurables for this microstructure. Thanks. VTK

[ckelloug]

I think that implies doing some metallography under the microscope. Can't help you with the polishing etc. involved as I haven't done it.

[xclr82xtc]

I think that implies doing some metallography under the microscope. Can't help you with the polishing etc. involved as I haven't done it.

i have seen it done, the way i saw they made a test part, sectioned it, then put it under a big azz microscope. you can see the grains of the metal..its pretty cool