Compositions and Properties of Hydration-Resistant Coating of Magnesia-Calcia Materials

GU Huazhi; WANG Houzhi; HONG Yanruo; ZHANG Wenjie; SUN Jialin; OUYANG Junhua

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Compositions and Properties of Hydration-Resistant Coating of Magnesia-Calcia Materials

机译：镁钙材料的抗水合涂层的组成和性能

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The complex coating on the MgO-CaO clinker was prepared by dipping method and adding the second mineral to restrain the formation and expansion of the cracks.Meanwhile, the ricrostructure and the morphology of the coating and hydration resistance of the MgO-CaO clinker were also investigated. The result shows that the coating consists mainly of Ca2 P2 O7, MgO and CaCO3, its thickness ranges from 5 μm to 20μm, and the coating is dense and even, no micro-cracks are observed. Also, the coating adheres closely to the matrix. The hydration resistance of the MgO-CaO clinker after treatment is improved greatly, and the castables prepared with the treated MgO-CaO clinker have better physical properties than MgO castable.

机译：通过浸渍法在MgO-CaO熟料上制备复合涂层，并添加第二种矿物以抑制裂纹的形成和扩展;同时，MgO-CaO熟料的层状结构和形貌以及耐水合性调查。结果表明，该涂层主要由Ca2P2O7，MgO和CaCO3组成，其厚度在5μm至20μm之间，并且致密且均匀，没有观察到微裂纹。而且，涂层紧密粘附到基质上。处理后的MgO-CaO熟料的耐水合性大大提高，并且用处理过的MgO-CaO熟料制备的浇铸物具有比MgO浇铸物更好的物理性能。

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来源
《中国耐火材料（英文版）》 |2004年第1期|14-17|共4页
作者
GU Huazhi; WANG Houzhi; HONG Yanruo; ZHANG Wenjie; SUN Jialin; OUYANG Junhua;
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作者单位

Key Laboratory of Hubei Province for Ceramics and Refractories, Wuhan University of Science and Technology 430081, Wuhan, Hubei, P. R. China;

Department of Inorganic Nonmetal Materials, University of Science and Technology Beijing 100083, P. R. China;

Department of Inorganic Nonmetal Materials, University of Science and Technology Beijing 100083, P. R. China;

Key Laboratory of Hubei Province for Ceramics and Refractories, Wuhan University of Science and Technology 430081, Wuhan, Hubei, P. R. China;

Department of Inorganic Nonmetal Materials, University of Science and Technology Beijing 100083, P. R. China;

Key Laboratory of Hubei Province for Ceramics and Refractories, Wuhan University of Science and Technology 430081, Wuhan, Hubei, P. R. China;

Department of Inorganic Nonmetal Materials, University of Science and Technology Beijing 100083, P. R. China;

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正文语种 chi
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关键词
Magnesia-calcia clinker; Hydration resistance; Coating; Dipping method; Magnesia-calcia castable;

机译：镁钙渣熟料;抗水合性;涂层;浸渍法;镁钙浇注料;
入库时间 2022-08-19 03:49:03

Compositions and Properties of Hydration-Resistant Coating of Magnesia-Calcia Materials

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