Author(s)

Jiamin Jin, Tou Hong, Juqing Wu

Shanghai Research Institute of Materials, Shanghai, China.

This is an article that validates Electron Cyclic Donate-Accept Catalysis Mechanism-ECDAM or Electron Orbital Deformation-Recovery Cycle Catalysis Mechanism-EODRM. In this paper, the influence of compact density, sintering temperature and time, vacuum degree, atmosphere and alloying element on the carbon dissolving rate into γ-Fe were studied. The experiment results have been reported. The way that the carbon is dissolved into γ-Fe was discussed. Gas phase composition and temperature play an important role on the carbon dissolving rate. The carbon gasification reaction is the determining step of dissolving carbon process. K2CO3, W and Mo are a catalysts, and their active size are K2CO3 > W > Mo. S and SiO2 are a poison, and their poison size are SiO2 > S. The experiment results are completely consistent with the original judgment of ECDAM.

Heterogeneous Catalysis, Powder Metallurgy, Sintering

Jin, J. , Hong, T. and Wu, J. (2017) Study on the Mechanism of Heterogeneous Catalysis (3) —The Catalysis of W, Mo, S and SiO₂ on Carbon Dissolving and Mechanism of Carbon Dissolving in the Iron-Graphite Compact. Journal of Materials Science and Chemical Engineering, 5, 77-86. doi: 10.4236/msce.2017.511007.