| 电弧超声改善等离子喷涂纳米结构ZrO2涂层结合强度研究 |
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| 引用本文： | 陈进武,李强,张玉叶,吴敏生.电弧超声改善等离子喷涂纳米结构ZrO2涂层结合强度研究[J].热加工工艺,2008,37(3):87-89. |
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| 作者姓名： | 陈进武 李强 张玉叶 吴敏生 |
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| 作者单位： | 福州大学材料科学与工程学院,福建,福州,350108 |
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| 基金项目： | 福建省科技厅科技计划项目 |
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| 摘 要： | 研究采用电弧超声来改善等离子喷涂纳米结构ZrO2涂层的结合强度.结果表明.加入电弧超声后,涂层组织更加致密,气孔率和未熔化区减小.当电弧超声频率在30～70kHz时,电弧超声对改善涂层结合强度是有利的.并在50kHz时达到最大值;当超声频率大于70kHz时,由于涂层中纳米颗粒的大量减少,涂层的结合强度呈下降的趋势.
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| 关 键 词： | 电弧超声 等离子喷涂 纳米结构涂层 结合强度 |
| 文章编号： | 1001-3814（2008）03-0087-03 |
| 收稿时间： | 2007-11-27 |
| 修稿时间： | 2007年11月27 |
Research on Arc-ultrasonic to Improve Adhesive Strength of Plasma Sprayed Nano-structured ZrO2 Coatings |
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| CHEN Jinwu,LI Qiang,ZHANG Yuye,WU Minsheng.Research on Arc-ultrasonic to Improve Adhesive Strength of Plasma Sprayed Nano-structured ZrO2 Coatings[J].Hot Working Technology,2008,37(3):87-89. |
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| Authors: | CHEN Jinwu LI Qiang ZHANG Yuye WU Minsheng |
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| Abstract: | As a new method to improve adhesive strength of plasma sprayed nano-structured ZrO2 coatings, arc-ultrasonic was introduced. The results show that the arc-ultrasonic can densify the structure, decrease the porosity and percentage of partly-molten regions of the coatings. The influence of are-ultrasonic on adhesive strength is dramatic. The adhesive strength increases when the ultrasound frequency changes at 30-70 kHz, which achieves the maximum value at 50 kHz, when the frequency is greater than 70 kHz, the adhesive strength decreases conversely because of the significant reduction of the nano-structured particles. |
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| Keywords: | arc-ultrasonic plasma spraying nano-structured coating adhesive strength |
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