Self-passivating tungsten alloys
To optimise the safety properties of a future power plant IPP is developing tungsten alloys which safeguard themselves against oxidation when they come into contact with oxygen.
![Electron-microscopic cross-sectional image of a tungsten alloy after oxidation at 900 °C: The protective chromium oxide layer appears in the upper part of the image as a dark belt.](/4331212/original-1517424815.jpg?t=eyJ3aWR0aCI6MjQ2LCJvYmpfaWQiOjQzMzEyMTJ9--ced49d15a3fd98e255d9e5da6eb5f33c9d9e2009)
Electron-microscopic cross-sectional image of a tungsten alloy after oxidation at 900 °C: The protective chromium oxide layer appears in the upper part of the image as a dark belt.
Figure: IPP