J
James M. Pommersheim
Researcher at Bucknell University
Publications - 24
Citations - 526
James M. Pommersheim is an academic researcher from Bucknell University. The author has contributed to research in topics: Tricalcium aluminate & Diffusion. The author has an hindex of 13, co-authored 24 publications receiving 478 citations.
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A kinetic model for the hydration of tricalcium silicate
TL;DR: In this article, a kinetic model describing the hydration of C3S has been developed based on the assumption that the formation of a final hydrate phase initiates in transient hydrate layers which surround the anhydrous grains.
Journal ArticleDOI
The hydration of tricalcium silicate
H. F. W. Taylor,P. Barret,Paul Wencil Brown,D. D. Double,Geoffrey Frohnsdorff,V. Johansen,D. Ménétrier-Sorrentino,Ivan Odler,L. J. Parrott,James M. Pommersheim,M. Regourd,J. F. Young +11 more
TL;DR: In this article, the mechanism and products of tricalcium silicate hydration are summarized and present-day interpretations of that evidence critically discussed, partly with a view to supplying a basis for mathematical modeling of the hydration process.
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Mathematical modeling of tricalcium silicate hydration
TL;DR: Based on conceptual models for the stages in the hydration of tricalcium silicate, a mathematical model was developed as discussed by the authors, which correspond to the phenomenological stages of the conceptual model.
Journal ArticleDOI
Kinetics of hydration of tricalcium aluminate in the presence of gypsum
James M. Pommersheim,Jemei Chang +1 more
TL;DR: In this article, a mathematical model for the kinetics of hydration of tricalcium aluminate in the presence of gypsum was developed, and the model was solved, illustrated and compared to experimental heat release data.
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Degradation of organic coatings on steel: Mathematical models and predictions
TL;DR: In this article, the authors developed a mathematical model for the blistering process induced by the corrosion of defect-containing coatings on a steel substrate exposed to electrolytes, and solved it analytically to predict cation fluxes and concentrations along the interface and within the blisters.