Ma, X.; Li, X.; Langelier, B.; Gault, B.; Subramanian, S.; Collins, L.: Effects of Carbon Variation on Microstructure Evolution in Weld Heat-Affected Zone of Nb–Ti Microalloyed Steels. Metallurgical and Materials Transactions A 49 (10), pp. 4824 - 4837 (2018)
If manganese nodules can be mined in an environmentally friendly way, the critical metals needed for the energy transition could be produced with low CO2 emissions