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The Hidden Danger in Europe's New Energy Networks

© RMedia / Adobe Stock
© General Electric

A microscopic view of hydrogen embrittlement in Inconel. Image from Iannuzzi, Mariano & Barnoush, Afrooz & Johnsen, Roy. (2017): Materials and Corrosion Trends In Offshore and Subsea Oil and Gas Production.
Image: © General Electric

© CEphoto, Uwe Aranas

Hydrogen-induced cracks (HIC)
Image: © CEphoto, Uwe Aranas

© Ken Wackermann, Fraunhofer IWM

Distribution of hydrostatic stress in the notch region of a bend specimen at a stress intensity of 28 MPa√m. Tensile stresses are negative. Right: Hydrogen distribution after saturation
Image: © Ken Wackermann, Fraunhofer IWM

© Ken Wackermann, Fraunhofer IWM

Scanning electron microscope fracture surface images of hollow specimens after slow tensile testing with (left) 70 bar hydrogen filling and (right) in air. The effect of H2 embrittlement is clearly visible on the fracture surface on the left
Image: © Ken Wackermann, Fraunhofer IWM