| 微弧氧化陶瓷膜封孔后处理及抗高温氧化性能的研究 |
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| 引用本文： | 郝国栋,郭永良,王超宇,张新梅,韩俊凤,王冰,樊持杰.微弧氧化陶瓷膜封孔后处理及抗高温氧化性能的研究[J].人工晶体学报,2009(Z1). |
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| 作者姓名： | 郝国栋 郭永良 王超宇 张新梅 韩俊凤 王冰 樊持杰 |
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| 作者单位： | 牡丹江师范学院;哈尔滨工业大学; |
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| 基金项目： | 黑龙江省自然科学基金(E2007-36);;黑龙江省高等学校骨干教师科技创新计划(1055G055) |
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| 摘 要： | 在铝酸盐体系中,利用微等离体氧化脉冲电源在Ti-6Al-4V合金表面制备了以Al2TiO5为主晶相的陶瓷膜层,然后采用钛酸四丁酯/乙醇和硅酸钠溶液的封孔方法对微弧氧化陶瓷膜进行封孔后处理。通过SEM及高温氧化测试,分析比较了陶瓷膜层在封孔前后的表面形貌以及抗高温氧化性能的变化情况。结果表明:封孔后膜层孔洞明显变小。经700℃高温氧化测试,采用钛酸四丁酯/乙醇溶液封孔方法不仅没有带来抗高温氧化性能的提高反而下降,而硅酸钠溶液的封孔方法提高了抗高温氧化性能。
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| 关 键 词： | 微弧氧化 Ti-6Al-4V 封孔 抗高温氧化 |
Sealed Post Treatment of Ceramic Coatings by Micro-arc Oxidation and Research of High Temperature Oxidation Resistence Property |
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| HAO Guo-dong,GUO Yong-liang,WANG Chao-yu,ZHANG Xin-mei,HAN Jun-feng,WANG Bing,FAN Chi-jie.Sealed Post Treatment of Ceramic Coatings by Micro-arc Oxidation and Research of High Temperature Oxidation Resistence Property[J].Journal of Synthetic Crystals,2009(Z1). |
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| Authors: | HAO Guo-dong GUO Yong-liang WANG Chao-yu ZHANG Xin-mei HAN Jun-feng WANG Bing FAN Chi-jie |
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| Institution: | 1.Mudanjiang Normal College;Mudanjiang 157012;China;2.Harbin Institute of Technology;Harbin 150001;China |
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| Abstract: | Compound ceramic coatings with the main crystalline of Al2TiO5 were prepared on Ti-6Al-4V alloy by pulsed bi-polar Micro-arc oxidation(MAO) in NaAlO2 solution.Then the post treatment of the ceramic coatings was operated by the sealed method of Ti(OC4H9)4/C2H5OH and sodium silicate.SEM and high temperature oxidation method were used to investigate the morphology of the ceramic coatings and the property of high temperature oxidation.The results show that the morphology of the porosities of ceramic coatings af... |
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| Keywords: | micro-arc oxidation Ti-6Al-4V sealed post treatment high temperature oxidation resistence |
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