Search Results - "Hirsch, Tamino"

Analyzing the early structural build-up of accelerated cement pastes by Dorn, Tobias, Hirsch, Tamino, Stephan, Dietmar

“…Extrusion-based additive manufacturing imposes high requirements on the material stability right after the extrusion. Therefore, a thorough understanding of…”
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Early age properties and water resistance of calcium hydroxide modified volcanic ash‐based phosphate geopolymer binders by Djobo, Jean Noël Yankwa, Hirsch, Tamino, Stephan, Dietmar

“…Abstract This work aims to improve the early age characteristics and water resistance of volcanic ash‐based phosphate geopolymer materials by modifying the…”
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The Influence of Long-Term Autoclaving on the Properties of Ultra-High Performance Concrete by Tian, Hongwei, Hirsch, Tamino, Stephan, Dietmar, Lehmann, Christian

“…Thermal energy storage is a key component in harnessing renewable resources, compensating for the energy variations across time scales. A popular strategy for…”
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Reevaluation of phase relations in the chemical system neodymium lutetium oxide NdLuO3 by Hirsch, Tamino, Uecker, Reinhard, Klimm, Detlef

“…The phase relations in the system with the overall chemistry Nd2O3:Lu2O3 around 1:1 were investigated by x‐ray diffraction (XRD) of annealed powders and by…”
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Phase stabilities and thermodynamic properties of crystalline phases in CaO–SiO2–H2O above 100 °C by Hirsch, Tamino, Lothenbach, Barbara

“…The current study revises the phase diagram of the CaO–SiO2–H2O system at saturated steam pressure between 100 and 250 °C by combining experimentally observed…”
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Working mechanism of calcium nitrate as an accelerator for Portland cement hydration by Dorn, Tobias, Hirsch, Tamino, Stephan, Dietmar

“…Precast concrete, cold weather concreting, and the emerging technique of concrete additive manufacturing are applications in which the acceleration of cement…”
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The hydration of tricalcium aluminate (Ca3Al2O6) in Portland cement-related systems: A review by Hirsch, Tamino, Matschei, Thomas, Stephan, Dietmar

“…Experiments, simulations and derived theories for the hydration of tricalcium aluminate in Portland cement-related systems are summarized and further…”
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Effect of different sulphate carriers on Portland cement hydration in the presence of triethanolamine by Hirsch, Tamino, Lu, Zichen, Stephan, Dietmar

“…[Display omitted] •impact of TEA on OPC hydration is affected by sulphate carrier’s dissolution rate.•the fast dissolution of hemihydrate strongly suppresses…”
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Impact of triethanolamine on the sulfate balance of Portland cements with mixed sulfate carriers by Hirsch, Tamino, Lu, Zichen, Stephan, Dietmar

“…The differences between the hydration of Portland cements with single and with mixed sulfate carriers in the presence of triethanolamine (TEA) were…”
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Reaction of calcium carbonate minerals in sodium silicate solution and its role in alkali-activated systems by Firdous, Rafia, Hirsch, Tamino, Klimm, Detlef, Lothenbach, Barbara, Stephan, Dietmar

“…[Display omitted] •Calcium carbonate in its various polymorphs reacts with sodium silicate solution.•This reaction results in formation of Na-containing C-S-H…”
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Early performances of cement paste in the presence of triethanolamine: Rheology, setting and microstructural development by Lu, Zichen, Peng, Xinyi, Dorn, Tobias, Hirsch, Tamino, Stephan, Dietmar

“…The effect of triethanolamine (TEA) at various dosages on the early performance of cement paste was systematically evaluated through the techniques of…”
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Investigation of the Nd2O3–Lu2O3–Sc2O3 phase diagram for the preparation of perovskite-type mixed crystals NdLu1−xScxO3 by Hirsch, Tamino, Guguschev, Christo, Kwasniewski, Albert, Ganschow, Steffen, Klimm, Detlef

“…•Crystal growth between NdLuO3 and NdScO3 from the melt is performed.•From NdScO3 rich melts perovskite type crystals are obtained.•Perovskite phase in the…”
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Investigation of the Nd^sub 2^O^sub 3^–Lu^sub 2^O^sub 3^–Sc^sub 2^O^sub 3^ phase diagram for the preparation of perovskite-type mixed crystals NdLu^sub 1−x^Sc^sub x^O^sub 3 by Hirsch, Tamino, Guguschev, Christo, Kwasniewski, Albert, Ganschow, Steffen, Klimm, Detlef

“…Based on differential thermal analysis (DTA) and X-ray powder diffraction (XRD), a description of the Nd2O3–Lu2O3–Sc2O3 system was obtained by thermodynamic…”
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Investigation of the Nd2O3–Lu2O3–Sc2O3 phase diagram for the preparation of perovskite-type mixed crystals NdLu1−Sc O3 by Hirsch, Tamino, Guguschev, Christo, Kwasniewski, Albert, Ganschow, Steffen, Klimm, Detlef

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Use of residues as fillers in alkali‐activated binders by Firdous, Rafia, Hirsch, Tamino, Hähnel, Anton, Stephan, Dietmar, Buchwald, Anja

“…The demand for resource saving and recycling of waste materials to achieve a circular economy is increasing. In Europe, nearly all blast furnace slag and fly…”
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Reevaluation of phase relations in the chemical system neodymium lutetium oxide NdLuO sub(3) by Hirsch, Tamino, Uecker, Reinhard, Klimm, Detlef

“…The phase relations in the system with the overall chemistry Nd sub(2)O sub(3):Lu sub(2)O sub(3) around 1:1 were investigated by x-ray diffraction (XRD) of…”
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Reevaluation of phase relations in the chemical system neodymium lutetium oxide NdLuO 3 by Hirsch, Tamino, Uecker, Reinhard, Klimm, Detlef

“…The phase relations in the system with the overall chemistry Nd 2 O 3 :Lu 2 O 3 around 1:1 were investigated by x‐ray diffraction (XRD) of annealed powders and…”
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Investigation of the Nd$_2$O$_3$--Lu$_2$O$_3$--Sc$_2$O$_3$ phase diagram for the preparation of perovskite-type mixed crystals NdLu$_{1-x}$Sc$_x$O$_3 by Hirsch, Tamino, Guguschev, Christo, Kwasniewski, Albert, Ganschow, Steffen, Klimm, Detlef

“…Based on differential thermal analysis (DTA) and X-ray powder diffraction (XRD), a description of the system Nd$_2$O$_3$--Lu$_2$O$_3$--Sc$_2$O$_3$ was obtained…”
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