| 纳米ZrO2激光重熔涂层组织与性能分析 |
| |
| 引用本文： | 黄炳华,汤伟杰,王红英.纳米ZrO2激光重熔涂层组织与性能分析[J].焊接学报,2009,30(5):37-41. |
| |
| 作者姓名： | 黄炳华 汤伟杰 王红英 |
| |
| 作者单位： | 深圳职业技术学院,工业中心,广东,深圳,518055 |
| |
| 摘 要： | 采用金相试验、扫描电镜试验、热震试验和显微硬度试验对不同激光重熔工艺下的Y2O3部分稳定ZrO2纳米陶瓷涂层组织与性能进行研究.重点分析了涂层重熔宽度与深度、表面形貌、显微硬度和热震性能随激光比能量的变化规律.结果表明,ZrO2纳米陶瓷涂层的重熔深度和宽度随着激光比能量的增大而增加;涂层的表面成形与激光比能量密切相关;涂层的显微硬度随激光比能量的增大而升高;激光比能量对涂层热震性能的影响十分明显,当激光比能量为37.2 J/mm2时重熔涂层的热震性能最好.
|
| 关 键 词： | 纳米氧化锆涂层 激光重熔 比能量 表面形貌 热震性能 |
| 收稿时间： | 2008/1/4 0:00:00 |
Analysis of microstructure and nanostructured ZrO2 laser glazed coating |
| |
| HUANG Binghu,TANG Weijie and WANG Hongying.Analysis of microstructure and nanostructured ZrO2 laser glazed coating[J].Transactions of The China Welding Institution,2009,30(5):37-41. |
| |
| Authors: | HUANG Binghu TANG Weijie and WANG Hongying |
| |
| Affiliation: | Industry Center;Shenzhen Polytechnic;Shenzhen 518055;Guangdong;China |
| |
| Abstract: | The nanostructured ZrO2 laser glazed coating was produced with different glazing processing parameters.Experiments were done to investigate the microstructure and properties.The investigation methods include optical and scan electron microscopy test,microhardness test and thermal shock test.In addition,the change rules of microstructure and properties were discussed.The results show that the depth,width and microhardness of the coating increase with the laser specific energy being increased.Microstructure t... |
| |
| Keywords: | nanostructured ZrO2 coating laser glazing specific energy surface morphology thermal shock resistance |
| 本文献已被 CNKI 万方数据 等数据库收录！ |
| 点击此处可从《焊接学报》浏览原始摘要信息 |
|
点击此处可从《焊接学报》下载全文 |
