The colour composition of all the pink and purple shades under the microscope

What are we actually analysing here? It is the internal structure of a valve seating made of sintered steel, which we prepared by grinding, polishing, chemically etching, and finally pouring epoxy over it.

Additional info

File type: JPG
File size: 342 KB
Dimensions: 1231 × 1003 px
Published: 15. 5. 2017