Formation and strengthening mechanisms of xonotlite in C3S-silica and C2S-silica powder systems under high temperature and pressure

As oil and gas exploration advances into more complex underground formations, oil-well cement, used to support bore casings, is at risk of mechanical failure. To clarify the strengthening mechanisms of silica powder, the hydration characteristics of C3S-silica and C2S-silica powder systems were stud...

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Veröffentlicht in:	Cement and concrete research 2022-07, Vol.157, p.106812, Article 106812
Hauptverfasser:	Wei, Tingcong, Wei, Fengqi, Zhou, Jinghong, Wu, Zhiqiang, Zhang, Chunmei, Zhuang, Jia, Cheng, Xiaowei
Format:	Artikel
Sprache:	eng
Schlagworte:	Boring Crystallization Dicalcium silicate High temperature Mechanical properties Oil exploration Silica powder Silicon dioxide Slaked lime Strengthening Strengthening mechanism Tricalcium silicate Xonotlite
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