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[1]张勇,杨虎,郑超,等.氯氧镁水泥热分解过程的研究[J].武汉工程大学学报,2009,(07):81-83.
 ZHANG Yong,YANG Hu,ZHENG Chao,et al.Study on thermal decomposition of magnesium oxychloride cement[J].Journal of Wuhan Institute of Technology,2009,(07):81-83.
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氯氧镁水泥热分解过程的研究(/HTML)
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《武汉工程大学学报》[ISSN:1674-2869/CN:42-1779/TQ]

卷:
期数:
2009年07期
页码:
81-83
栏目:
材料科学与工程
出版日期:
2009-07-28

文章信息/Info

Title:
Study on thermal decomposition of magnesium oxychloride cement
文章编号:
16742869(2009)07008103
作者:
张勇杨虎郑超孙先明
武汉工程大学材料科学与工程学院,湖北 武汉 430074
Author(s):
ZHANG YongYANG HuZHENG ChaoSUN Xianming
School of Materials Science and Engineering,Wuhan Institute of Technology,Wuhan 430074,China
关键词:
氯氧镁水泥热稳定性热分解
Keywords:
magnesium oxychloride cement thermal stability thermal decomposition
分类号:
O 611.4
DOI:
-
文献标志码:
A
摘要:
为探究氯氧镁水泥的热稳定性和循环利用的可能性,首先合成了纯的3·1·8和5·1·8相;然后用IR、XRD对其形成过程进行了表征;最后使用TG、DTA分别研究了两种相态的热分解过程,使用XRD表征了各阶段热分解产物的组成及相态.通过本论文的研究可以确定在150 ℃时3·1·8和5·1·8相失去结晶水而完全失去强度,进一步升高温度到400 ℃时,氢氧化镁失水,此时热分解产物可重新用做原料生产氯氧镁水泥.
Abstract:
The thermal stability and recycling possibility of magnesium oxychloride cement were studied in this paper. The pure phase 3·1·8 and 5·1·8 was synthesized firstly,then the formation process of magnesium oxychloride cement was characterized by IR and XRD. Finally the thermal decomposition process of phase 3·1·8 and 5·1·8 was tested by TG and DTA and the composition and phase state of thermal decomposed products were determined by XRD. The results showed that the phase 3·1·8 and 5·1·8 loss their strength due to the loss of crystal water at 150 ℃, and the Mg(OH)2 loss its water so that the thermal decomposed product at 400℃ can be recycled as raw material for magnesium oxychloride cement.

参考文献/References:

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[9]陈庆云,丁万尊.氯氧镁水泥配比对其制品耐水性能的影响[J].混凝土与水泥制品,1995,(5):57-59.
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备注/Memo

备注/Memo:
收稿日期:20081210
基金项目:湖北省教育厅基金资助项目(Q200615002).
作者简介:张勇(1976),男,湖北汉川人,博士,副教授.研究方向:材料化学.
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