Novel material to enhance the integrity of CCUS cement sheath: Exploration and application of calcium aluminate cement

P Gong, H Fu, D He, Y Wu, K Mei, C Zhang… - Gas Science and …, 2024 - Elsevier
Carbon dioxide (CO 2) emissions are being reduced using the technique known as CCUS
(Carbon Capture, Utilization, and Storage). At present, cementing cement paste based on …

Design, structure, microstructure and gamma radiation shielding properties of refractory concrete materials containing Ba-and Sr-doped cements

D Madej, M Silarski, S Parzych - Materials Chemistry and Physics, 2021 - Elsevier
This paper presents an experimental study on the performance of shielding refractory
concretes containing new types of cements for use in the radiation protection technology …

Relationship between the strength and microstructure of CAC-bonded castables under intermediate temperatures

P Zhang, N Li, J Luan, S Gao, G Ye - Ceramics International, 2020 - Elsevier
There have been reports on the strength decrease of CAC-bonded corundum-based
castables without silica fume due to dehydration and decomposition of CAC hydrates when …

Physicochemical, mineralogical, and mechanical properties of calcium aluminate cement concrete exposed to elevated temperatures

A Abolhasani, B Samali, F Aslani - Materials, 2021 - mdpi.com
One commonly used cement type for thermal applications is CAC containing 38–40%
alumina, although the postheated behavior of this cement subjected to elevated temperature …

Low temperature synthesis of polyhedral α-Al2O3 nanoparticles through two different modes of planetary ball milling

L Zhu, L Liu, C Sun, X Zhang, L Zhang, Z Gao, G Ye… - Ceramics …, 2020 - Elsevier
Herein, nano-sized α-Al 2 O 3 powders were successfully synthesized at low temperatures
via unidirectional ball milling of Al (OH) 3 and addition of an AlF 3 additive. The effects of the …

Effects of sodium hexametaphosphate addition on the dispersion and hydration of pure calcium aluminate cement

B Cheng, C Yao, J Xiong, X Liu, H Zhang, S Zhang - Materials, 2020 - mdpi.com
The effects of sodium hexametaphosphate (SHMP) addition on the dispersion and hydration
of calcium aluminate cement were investigated, and the relevant mechanisms discussed …

Effect of curing temperature on volume stability of CAC-bonded alumina-based castables

Y Li, L Zhu, K Liu, D Ding, J Zhang, G Ye - Ceramics International, 2019 - Elsevier
The distribution of in situ CA 6 depends on the amount of the residual calcium aluminate
cement (CAC) anhydrous phase and the distribution of CAC hydrates in CAC-bonded …

Effect of in situ formed acicular mullite whiskers on thermal shock resistance of alumina-mullite refractories

L Zhu, S Li, Z Gao, X Zhang, L Zhang, H Li… - Journal of the Australian …, 2023 - Springer
Acicular mullite whisker has been broadly applied in refractory materials, and its aspect ratio
is crucial to the properties of refractories. Few studies have focused on the in situ generation …

The impact of mechanical grinding on calcium aluminate cement hydration at 30° C

K Liu, A Chen, X Shang, L Chen, L Zheng, S Gao… - Ceramics …, 2019 - Elsevier
Calcium aluminate cement (CAC) was ground for 1 and 2 h to investigate the impact of
mechanical grinding on CAC hydration at 30° C and CAC-bonded castable strength. Phase …

Effect of CAC content on the strength of castables at temperatures between 300 and 1000° C

S Gao, P Zhang, N Li, J Zhang, J Luan, G Ye… - Ceramics International, 2020 - Elsevier
This study investigates the strength progression of calcium aluminate cement (CAC)-bonded
castables with a CAC content ranging from 2 to 16 wt% in the temperatures between 300 …