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钢表面ZrO2陶瓷纳米等离子喷涂
引用本文:龙婷,尹强,孙智富,陈健炜,王惠,陈士根. 钢表面ZrO2陶瓷纳米等离子喷涂[J]. 重庆理工大学学报(自然科学版), 2009, 23(1): 36-40
作者姓名:龙婷  尹强  孙智富  陈健炜  王惠  陈士根
作者单位:重庆工学院材料科学与工程学院;武汉理工大学材料科学与工程学院;
基金项目:重庆市教育委员会科学技术研究项目(KJ080627)
摘    要:采用等离子喷涂技术在20Cr钢表面等离子喷涂纳米ZrO2涂层,并用1Cr18Ni9作中间梯度涂层,用以制造特殊管状绝热体.利用SEM方法研究了梯度涂层的结构和显微组织,通过摩擦磨损试验对涂层的耐磨性能进行了分析,用热震法研究了涂层和基体的结合力,并用有无热障涂层的箱体进行实际模拟对比试验,测试了涂层的隔热性能.研究结果表明,ZrO2纳米陶瓷层和1Cr18Ni9梯度层可以形成良好的机械结合;喷涂后的试样表面显微硬度显著提高,耐磨性比GCr15轴承钢提高2.84倍;纳米陶瓷梯度涂层使20Cr钢的隔热性能和抗高温氧化性能显著提高.

关 键 词:ZrO2  等离子喷涂  涂层组织  

Study on Plasma Sprayed Nano-Zirconia on Steel Surface
LONG Ting,YIN Qiang,SUN Zhi-fu,,CHEN Jian-wei,WANG Hui,CHEN Shi-gen. Study on Plasma Sprayed Nano-Zirconia on Steel Surface[J]. Journal of Chongqing University of Technology(Natural Science), 2009, 23(1): 36-40
Authors:LONG Ting  YIN Qiang  SUN Zhi-fu    CHEN Jian-wei  WANG Hui  CHEN Shi-gen
Affiliation:1.School of Materials Science and Engineering;Chongqing Institute of Technology;Chongqing 400050;China;2.School of Materials Science and Engineering;Wuhan University of Technology;Wuhan 430070;China
Abstract:The Nano-Zirconia Coating with a gradated coating 1Cr18Ni9 on the 20Cr steel surface is made with plasma spraying technique with the purpose of producing special pipe insulant.The microstructure of the nanostructured coating is investigated with SEM,and its wear resistance is analyzed with a friction test,the strength of combination between the coating and the base material is studied in the method of thermal shock,the heat-shielding performance of the coating is tested with a closed container with Nano-Zir...
Keywords:ZrO2  plasma spraying  microstructure of the coating  
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