it is hot isostatic pressed without any secondary processing after that, heat treatment at 650C for 2 hrs after oil quenching
intermetallics are some oxides and some sulfides i think, i did just EDX and showing mainly Mn-S and Si-0 , neither Ti and Al in the alloy.
Hi,
I am working on PM produced basic 12 Cr steels, and facing many problems related to mechanical properties.
one of the problems is there are many intermetallic particles and some of them are quite big around 2 micron in size. and in facture surfaces after tensile tests there are thousands...