Early strength development and hydration of cement pastes at different temperatures or with superplasticiser characterised by electrical resistivity

Autor: Farqad Yousuf, Wei Xiaosheng

Publikováno v: Case Studies in Construction Materials, Vol 16, Iss , Pp e00911- (2022)

The effects of the curing temperature and superplasticiser on the hydration rate and early strength development of cement pastes were investigated using their electrical resistivities. The cement pastes were prepared either at various temperatures or

Externí odkaz: https://doaj.org/article/fd91cd3a884040dfba57459ba0dad08b

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Modeling of The Effect of Grain Size and La2O3 Doping on Sintering α â€' Cristobilite

Autor: Alia A. Shehab, Saad B. Farid, Hanan K. Hassun

Publikováno v: Ibn Al-Haitham Journal for Pure and Applied Sciences, Vol 26, Iss 2 (2017)

In this research the effect of grain size and effect of La2O3 doping on densification rate for the initial and intermediate stages of sintering were studied .The experimental results for α – cristobilite powder are modeled using ( L2-Regres

Externí odkaz: https://doaj.org/article/17ff0152f9404f10bd3c6c2e3b128e24

Effect of High Pressure Spark Plasma Sintering on the Densification of a Nb-Doped TiO2 Nanopowder

Autor: Shashank Mishra, Nicholas Blanchard, Gilbert Fantozzi, Sandrine Cottrino, Stéphane Daniele, Sylvie Le Floch, Alexandre Verchère, Thomas Gaudisson, Stéphane Pailhès

Publikováno v: Ceramics, Vol 3, Iss 41, Pp 507-520 (2020)
Ceramics
Ceramics, MDPI, 2020, 3 (4), pp.507-520. ⟨10.3390/ceramics3040041⟩
Volume 3
Issue 4
Pages 41-520

International audience; Sintering under pressure by means of the spark plasma sintering (SPS) technique is a common route to reduce the sintering temperature and to achieve ceramics with a fine-grained microstructure. In this work, high-density bulk

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0e903f33a05ba55ec29df37b2799b4e2
https://doi.org/10.3390/ceramics3040041

Study on AZ91D chip for injection molding (1st Report, Effect of dimension on bulk density after consolidation)

Autor: Kiyotaka OBUNAI, Tadao FUKUTA, Koichi OZAKI

Publikováno v: Nihon Kikai Gakkai ronbunshu, Vol 81, Iss 830, Pp 15-00259-15-00259 (2015)

The purpose of this study is to propose an effective model to estimate the filling fraction of compacts made from magnesium alloy particles, considering the effects of particle size, temperature and pressure. In order to investigate the influence of

Externí odkaz: https://doaj.org/article/1971eb1af0ee4103926e9431d49d63a3