综述了纳米技术在耐火材料中应用的新进展.在耐火浇注料中引入纳米相,可减少水泥和水加入量,降低有害组分,提高性能;添加纳米粉可降低氧化物制品的烧结温度、改善显微结构和性能;在含碳耐火材料中引入纳米碳,在大幅降低碳含量的条件下,材料可保持优良的抗热震性和抗侵蚀性.此外,探讨了纳米技术在耐火材料中应用时存在的问题及对策.
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