In the energy transport sector, the lifetime of industrial structures is estimated at more than forty years. The evolution and degradation of materials over time must therefore be known to guarantee the reliability and safety of facilities. Their contact with other materials is a very important parameter to qualify.
Hydrogen gas, in particular produced within the framework of the decarbonisation of energy sources, plays a major role in the aging of metallic structures and has harmful effects on their mechanical properties. It is considered to collect and distribute the hydrogen thus produced (mixed with fossil methane or biogas) using existing networks.
Thus, the aim of the ANR Industrial MESSIAH Chair is to understand the effect of hydrogen on the mechanical behavior of transport facilities and the risks of rupture. More specifically, the project will study the toughness of gas transport facilities in service by using mini-test pieces machined in coupons from the facilities.
The project must achieve four objectives:
The MESSIAH project has several stakeholders including:
As part of the MESSIAH Chair, several theses are proposed by the Materials Center, including a CIFRE thesis funded and supported by Transvalor:
The work carried out during this thesis will be integrated into the code of the Z-set software package, developed by Transvalor.
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