 Johnson Matthey, Hatton Garden, London. |
The “Uphill” Diffusion of Hydrogen
STRAIN-GRADIENT-INDUCED EFFECTS IN PALLADIUM ALLOY MEMBRANES
Platinum Metals Review
Article Synopsis
Certain unexpected effects observed during developments and reductions of pressures of hydrogen gas inside tubular membranes of palladium alloys now seem to be self-consistently interpretable in terms of lattice-strain-induced temporary “uphill” hydrogen diffusion processes.