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John Espen Rossen

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Related publications (7)

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Fabrication and Characterisation of Cathode Support-tubes for Micro-tubular SOFC Application

Jan Van Herle, Heinrich Hofmann, Paul Bowen, Stefan Diethelm, John Espen Rossen

Tubes of diameter

2009

Optimization of SEM-EDS to determine the C-A-S-H composition in matured cement paste samples

Karen Scrivener, John Espen Rossen

Microanalysis of characteristic X-rays in the SEM is a powerful method to assess the chemical composition of phases in cement pastes, in particular the calcium silicate hydrate containing aluminium (C-A-S-H). Nevertheless, many variables may influence the ...

Elsevier Science Inc2017

Cement substitution by a combination of metakaolin and limestone

Karen Scrivener, John Espen Rossen, Mathieu Antoni

This study investigates the coupled substitution of metakaolin and limestone in Portland cement (PC). The mechanical properties were studied in mortars and the microstructural development in pastes by X-ray diffraction, thermogravimetry analysis, mercury i ...

Pergamon-Elsevier Science Ltd2012

Composition of C-S-H in pastes with increasing levels of silica fume addition

Karen Scrivener, John Espen Rossen

New results show that the microstructure development of cement–silica fume blends is very different from plain cement. Portlandite (CH) tends to precipitate as platelets and even around clinker grains as “CH rims” and is consumed by pozzolanic reaction wit ...

Pergamon-Elsevier Science Ltd2015

John Espen Rossen

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Fabrication and Characterisation of Cathode Support-tubes for Micro-tubular SOFC Application

Optimization of SEM-EDS to determine the C-A-S-H composition in matured cement paste samples

Cement substitution by a combination of metakaolin and limestone

Composition of C-S-H in pastes with increasing levels of silica fume addition

Investigation of Cement Substitution by Combined Addition of Calcined Clays and Limestone

Composition and morphology of C-A-S-H in pastes of alite and cement blended with supplementary cementitious materials

Ternary cement blends based on metakaolin and limestone