热处理对CaO-MgO-SiO2陶瓷纤维抗水化性能的影响
Effect of Heat Treatment on Hydration Resistance of CaO-MgO-SiO2 Ceramic Fiber
摘 要
采用高温熔融法制备了CaO-MgO-SiO2陶瓷纤维，并在800~1 200℃进行了热处理，研究了热处理温度对该陶瓷纤维表面形貌和抗水化性能的影响。结果表明：热处理温度的升高会导致纤维从表面晶化变为整体晶化，呈现为晶态和无定形态共存的结构；不同温度热处理后纤维的结构差异及相界面的存在，导致其在去离子水浸泡过程中，与OH-之间表现出不同的反应活性，进而显著影响了热处理后纤维的抗水化性能。
析晶
抗水化性能
热处理
ceramic fiber
crystallization
hydration resistance
heat treatment
Abstract
CaO-MgO-SiO2 ceramic fibers were prepared by the high-temperature melting method, and then heat-treated at temperatures of 800-1 200℃. The effects of the heat-treatment temperature on the surface morphology and on the hydration resistance of the ceramic fibers were studied. The results show that the crystallization of the fiber changed from the surface crystallization to the overall crystallization due to the increasing heat-treatment temperature, and the fibers showed a coexisting structure of crystalline state and amorphous state. The structure difference between the different temperature heat-treated fibers and the existence of the phase boundary resulted in the different reaction activities between fibers and OH- during the soaking process in the deionized water, furthermore significantly affected the hydration resistance of the heat-treated fibers.
中图分类号 TQ175.72 DOI 10.11973/jxgccl201702019
所属栏目 材料性能及应用
基金项目 国家自然科学基金资助项目（51474166）；湖北省教育厅高等学校优秀中青年科技创新团队计划项目（T201602）
收稿日期 2015/12/12
修改稿日期 2016/12/9
网络出版日期
作者单位点击查看
备注袁莉君(1993-),女,河南新乡人,本科生。
引用该论文: YUAN Li-jun,LIU Hao,WANG Zhou-fu,WANG Xi-tang,MA Yan. Effect of Heat Treatment on Hydration Resistance of CaO-MgO-SiO2 Ceramic Fiber[J]. Materials for mechancial engineering, 2017, 41(2): 89～92
袁莉君,刘浩,王周福,王玺堂,马妍. 热处理对CaO-MgO-SiO2陶瓷纤维抗水化性能的影响[J]. 机械工程材料, 2017, 41(2): 89～92
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【2】武高辉,宋美慧,王宁.二维碳纤维/镁基复合材料的力学和膨胀性能[J].机械工程材料,2008,32(3):69-71.
【3】RON D.正在崛起的高级结构材料——陶瓷复合材料[J].机械工程材料,1989,13(2):31-34.
【4】DONALDSON K, TRAN C L. An introduction to the short-term toxicology of respirable industrial fibres[J]. Mutation Research,2004,553(1/2):5-9.
【5】CARDINALI G, KOVACS D, MARESCA V, et al. Differential in vitro cellular response induced by exposure to synthetic vitreous fibers (SVFs) and asbestos crocidolite fibers[J]. Experimental and Molecular Pathology, 2006, 81(1):31-41.
【6】BROWN T P, HARRISON P T C. Crystalline silica in heated man-made vitreous fibres:A review[J]. Regulatory Toxicology and Pharmacology, 2014, 68(1):152-159.
【7】COSTA R, ORRIOLS R. Man-made mineral fibers and the respiratory tract[J].Archivos de Bronconeumología (English Edition), 2012, 48(12):460-468.
【8】LANFORD W A, DAVIS K, LAMARCHE P, et al. Hydration of soda-lime glass[J]. Journal of Non-Crystalline Solids, 1979, 33(2):249-266.
【9】DOREMUS R H. Interdiffusion of hydrogen and alkali ions in a glass surface[J]. Journal of Non-Crystalline Solids, 1975, 19:137-144.
【10】TSONG I S T, HOUSER C A, WHITE W B, et al. Evidence for interdiffusion of hydronium and alkali ions in leached glasses[J]. Applied Physics Letters, 1981, 39(8):669-670.
【11】PRENOSIL M. Volatile corrosion inhibitor coatings[J]. Materials Performance, 2001, 40:14-17.
【12】LIU H, WANG X T, WANG Z F, et al. Structure and properties of CaO-MgO-SiO2 inorganic glass fiber with additives (Al2O3, Y2O3)[J]. Journal of Wuhan University of Technology-Materials Science Edition,2012,27(1):58-62.
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