Stainless Steels (Thanks to the best students I ever had Hatem Khanfir et Mahdi Latiri, you'll be the greatest mechanical engineers Tunisia has ever seen...I mean it guys!)

Duplex 003 (<0.02%C, 7.5%Ni, 24%Cr, 2.8%Mo, 2.5%Cu, 0.16%N)

 

 

Austenite + ferrite duplex microstructure

After aging at 600°C during 1 hour


After aging at 700°C during 1 hour

After aging at 800°C during 1 hour: g + s eutectoid in former d grain

 

Duplex Uranus 50 (0.06%C, 9%Ni, 20.4%Cr, 2.7%Mo, 1.48%Cu)

Uranus 50 aged at 900°C - Optical microscope

The same...- Scanning Electron Microscope

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