| Q相-C2S-C4AF-C12A7水泥作为膨胀剂的研究 |
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| 引用本文： | 姜奉华,徐德龙. Q相-C2S-C4AF-C12A7水泥作为膨胀剂的研究[J]. 硅酸盐通报, 2005, 24(4): 107-109,113 |
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| 作者姓名： | 姜奉华 徐德龙 |
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| 作者单位： | 西安建筑科技大学粉体研究所,西安,710055;济南大学材料科学与工程学院,济南,250022;西安建筑科技大学粉体研究所,西安,710055 |
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| 摘 要： | 采用普通硅酸盐水泥作为基体、Q相-C2S-C4AF-C12A7水泥作为膨胀剂、加入少量石膏的条件下进行试验研究。研究表明：Q相-C2S-C4AF-C12A7水泥能够作为膨胀组分，调节Q相-C2S-C4AF-C12A7水泥和SO3的量，能够得到所要求的膨胀水泥。从DTA和XRD得知，其膨胀源主要是钙矾石（AFt），它形成的速度及数量，可以通过控制Q相-C2S-C4AF-C12A7水泥和SO3的量来实现。
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| 关 键 词： | 膨胀水泥 膨胀剂 微观分析 钙矾石 |
Study on Expansion Agent of Cement Q Phase-C2S-C4AF-C12A7 |
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| JIANG Fenghua,Xu Delong. Study on Expansion Agent of Cement Q Phase-C2S-C4AF-C12A7[J]. Bulletin of the Chinese Ceramic Society, 2005, 24(4): 107-109,113 |
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| Authors: | JIANG Fenghua Xu Delong |
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| Abstract: | This paper investigated expansion property that common Portland cement was as basic body and cement Q phase - C2S - C4AF - C12A7 as expansion agent with a little addition of gypsum. The results show that the cement of Q phase - C2S - C4AF - C12A7 can be used as expansion agent, through which the expansion cement can be got by adjusting the quantities of the cement of Q phase - C2S - C4AF - C12A7 and SO3. DTA and XRD results show that the expansion source of the cement is AFt phase. Its formation and quantity can be controlled by adujesting the quantity of cement of Q Phase - C2S - C4AF - C12A7 and SO3. |
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| Keywords: | expansion cement expansion agent micro-analysis AFt |
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