I have been thinking of a problem and I would like to brainstorm about it with the community.
Scenario: Machined parts going through termal treatment in an oven and further abrasive treatments. Temperatures of 900 celsius in the oven. Minimal space for marking. Laser do not work. RFID neither. 10mm marking space possible.
How can one track these parts? Any kind of paint? High temperature magnetic memory?