| 脉冲气动喷涂法制备WC基涂层性能及过程分析 |
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| 引用本文： | M. Yandouzi,B. Jodoin,赵晓东.脉冲气动喷涂法制备WC基涂层性能及过程分析[J].热喷涂技术,2010,2(2):59-65. |
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| 作者姓名： | M. Yandouzi B. Jodoin 赵晓东 |
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| 作者单位： | University of Ottawa;Mechanical Engineering;Ottawa;Ontario;Canada; |
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| 摘 要： | 本文介绍了用脉冲气动喷涂法(PGDS)制备WC基涂层的全过程,重点研究了气体压力、预热温度、喷涂粉末的温度等参数对涂层微观结构的影响。通过安装在喷枪上的粒子速度观测器和激光诊断系统,可以及时纠正粒子速度与喷涂参数的偏差。本文通过OM、SEM、XRD和显微硬度分析检测结果表明,随着粒子预热温度和速度的增加,涂层的微裂纹等缺陷减少,涂层的显微硬度增加。
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| 关 键 词： | 脉冲气动喷涂法（PGDS） 涂层 |
WC-Based Coating Production by the Pulsed Gas Dynamic Spraying Process:Coatings and Process Analysis |
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| M.Y,ouzi,B.Jodoin.WC-Based Coating Production by the Pulsed Gas Dynamic Spraying Process:Coatings and Process Analysis[J].Thermal Spray Technology,2010,2(2):59-65. |
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| Authors: | MY ouzi BJodoin |
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| Affiliation: | University of Ottawa,Mechanical Engineering,Ottawa,Ontario,Canada |
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| Abstract: | The work presented in this paper is part of a comprehensive research program aimed at exploring the possibility of using the pulsed gas dynamic spraying process to produce WC-based coatings.The effect of the processing conditions,in particular the gas pressure and preheating temperature and the initial feedstock powder particle temperature on the coating microstructure is investigated.Particle velocity monitoring is conducted at the gun exit using a laser diagnostic system in order to correlate the particle... |
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| Keywords: | Pulsed gas dynamic spraying process Coatings |
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