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高能率电爆炸粉末喷涂实验系统及其电学特性
发表时间：2008-05-15 浏览量：2717 下载量：1021
| 全部作者： | 周刚毅，董新龙，刘军 |
| 作者单位： | 宁波大学力学与材料科学研究中心 |
| 摘 要： | 高能率电爆炸喷涂技术是一种新兴喷涂技术，具有潜在的广阔应用前景。本文设计了一种参数可控的高能率电爆炸粉末喷涂实验系统。通过系统强脉冲电流发生电路对线圈负载加载放电过程电流脉冲响应的测量，验证了实验系统的可行性。同时利用该系统进行了Cu粉电爆炸喷涂实验，分析了初始充电电压5 kV实验条件下，Cu粉电爆炸过程中电压、电流、电阻、功率等电学参数的变化特性，计算了喷涂过程中系统能量利用率，获得了Cu粉电爆炸喷涂典型实验的重要参数。 |
| 关 键 词： | 工程力学；电爆炸；粉末；电学特性 |
| Title： | A study on electrothermal explosion spraying system and its electricity characteristic |
| Author： | ZHOU Gangyi, DONG Xinlong, LIU Jun |
| Organization： | Mechanicals and Materials Science Research Center, Ningbo University |
| Abstract： | As a new-type thermal spraying technology, the electrothemal explosion spraying method possesses quite potential applications. Tn this paper designed and set up a electrothemal spraying system, which the parameter of charge voltage was controllable for experimental purpose of electrothermal explosion spraying using metallic powder. The discharged current response was tested to validate the feasibility of electrothemal spraying system. Furthermore, an electrothermal explosion spraying process for Cu powders was studied experimentally. The characteristics of electric parameters, such as current, voltage, power and the metal power resistance during explosion were analyzed in detail. The energy-utilization ratio of the system during the electrermal explosion was calculated when the charging voltage is 5 kV. |
| Key words： | engineering mechanics；electrothermal explosion；powder；electricity characteristic |
| 发表期数： | 2008年9月第9期 |
| 引用格式： | 周刚毅，董新龙，刘军. 高能率电爆炸粉末喷涂实验系统及其电学特性[J]. 中国科技论文在线精品论文，2008，1（9）：1030-1034. |
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