以粉煤灰和Al-TiO2-B2O3为原料制备玻璃/陶瓷复合涂层的组织及耐磨性能
Microstructure and Abrasive Resistance of Glass-Ceramic Composite Coatings from Fly Ash and Al-TiO2-B2O3
摘 要
以粉煤灰为主要原料, 并添加质量分数为10%的Al-TiO2-B2O3, 采用热化学反应法在Q235钢基体上制备了玻璃/陶瓷复合涂层(放热体系涂层), 研究了该涂层的物相组成、截面形貌、抗热震性能、显微硬度以及耐磨性能; 并制备了不添加Al-TiO2-B2O3的常规粉煤灰玻璃/陶瓷复合涂层作为对比涂层。结果表明: 放热体系涂层中产生了NaB15、TiB2、Na2B4O7、Ca2Al2SiO7等新相, 涂层界面结合良好, 显微硬度最高可达到700 HV0.1, 在700 ℃室温的热震次数可达50次以上; 其耐磨性能相对Q235钢和常规玻璃/陶瓷涂层的分别提高了9.67倍和0.63倍。
粉煤灰
涂层
热化学反应
耐磨性能
exothermic chemical system
fly ash
coating
thermal-chemical reaction
abrasive resistance
Abstract
Using fly ash and ten percent of Al-TiO2-B2O3 powders as raw materials, the glass-ceramic composite coating was prepared on the substrate of Q235 steel by thermal-chemical reaction method, which was named coating with exothermic chemical system, and its phase, cross section morphology, thermal shock resistance, microhardness and abrasive resistance were studied. In addition, a ordinal glass-ceramic composite coating from fly ash without Al-TiO2-B2O3 as contrastive coating was prepared. The results indicate that some new phases, such as NaB15, TiB2, Na2B4O7 and Ca2Al2SiO7 were found in the coating with exothermic chemical system, and the coating had better bond strength, and its maximum microhardness could reach 700 HV0.1. The number of thermal shock resistance from 700 ℃ to room temperature could reach more than 50 times.Compared with the Q235 steel and the ordinal coating, the abrasive resistance of the coating with exothermic chemical system increased 9.67 times and 0.63 times, respectively.
中图分类号 TQ171.1
所属栏目 试验研究
基金项目 辽宁工程技术大学研究生院科研立项资助项目(5A2014003-01)
收稿日期 2013/11/27
修改稿日期 2014/6/1
网络出版日期
作者单位点击查看
备注陶莹(1989-), 女, 辽宁阜新人, 硕士研究生。
引用该论文: TAO Ying,MA Zhuang,SUN Fang-hong,LI Ling-yi,LI Zhi-chao. Microstructure and Abrasive Resistance of Glass-Ceramic Composite Coatings from Fly Ash and Al-TiO2-B2O3[J]. Materials for mechancial engineering, 2014, 38(9): 29～33
陶莹,马壮,孙方红,李凌医,李智超. 以粉煤灰和Al-TiO2-B2O3为原料制备玻璃/陶瓷复合涂层的组织及耐磨性能[J]. 机械工程材料, 2014, 38(9): 29～33
被引情况:
【1】马壮,王倪,李玲,李智超, "Q235钢表面硼碳氮共渗层及氩弧重熔层的磨损性能",机械工程材料 39, 12-15(2015)
【2】武涛,张兴凯,范德增, "溶胶-凝胶结合共沉淀法制备球形生物活性玻璃粉体",机械工程材料 40, 69-73(2016)
【3】马壮,袁红昆,董世知,李智超, "B4C增强铁基活性氩弧熔覆层的制备与耐磨性能",机械工程材料 39, 42-46(2015)
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参考文献
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