| 超音速火焰喷涂WC-10Co4Cr涂层对30CrMnSiA钢防护性能的影响 |
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| 引用本文： | 殷傲宇,邓畅光,张吉阜,肖来荣,戴红亮. 超音速火焰喷涂WC-10Co4Cr涂层对30CrMnSiA钢防护性能的影响[J]. 热喷涂技术, 2011, 3(3): 60-64 |
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| 作者姓名： | 殷傲宇 邓畅光 张吉阜 肖来荣 戴红亮 |
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| 作者单位： | 1. 中南大学材料科学与工程学院,长沙,410083
2. 广州有色金属研究院新材料研究所,广州,510650 |
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| 基金项目： | 国家自然科学基金资助项目 |
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| 摘 要： | 为增强30CrMnSiA钢的耐磨与防腐性能,采用超音速火焰喷涂制备WC-10Co4Cr防护涂层,并与传统硬铬镀层进行性能对比。扫描电镜观察显示,WC-10Co4Cr涂层孔隙率低,结构均匀致密。显微硬度与摩擦磨损测试表明,WC-10Co4Cr涂层较硬铬镀层硬度提高了1.4倍,耐磨性提高4倍以上;耐蚀性测试表明,WC-10...
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| 关 键 词： | HVOF WC-10Co4Cr 摩擦磨损 耐蚀性 |
Preparation of WC-10Co4Cr Coating on 30CrMnSi Steel by HVOF and Its protective Properties |
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| YIN Ao-yu,DENG Chang-guang,ZHANG Ji-fu,XIAO Lai-rong,DAI Hong-liang. Preparation of WC-10Co4Cr Coating on 30CrMnSi Steel by HVOF and Its protective Properties[J]. Thermal Spray Technology, 2011, 3(3): 60-64 |
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| Authors: | YIN Ao-yu DENG Chang-guang ZHANG Ji-fu XIAO Lai-rong DAI Hong-liang |
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| Affiliation: | 1 .Central South University, school of materials science and engineering, Changsha 410083, China; 2. Guangzhou Research Institute of Non ferrous Metals, Guangzhou 510650, China) |
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| Abstract: | In order to improve the wear and corrosion resistance properties of 30CrMnSiA steel, WC-10Co4Cr coating was prepared by HVOF, and its protective properties were investigated by SEM, friction wear testing and corrosion testing, meanwhile all the tests were compared with the traditional hard Cr plating. The microstructure of WC-10Co4Cr coating observed from SEM was compact with low porosity. Micro-hardness and friction wear tests showed that the hardness of WC-10Co4Cr was about 1.4 times higher than that of hard Cr plating, while the wear resistance performance was improved more than 4 times. The corrosion testing indicated that the Ecorr of WC-10Co4Cr coating was higher than that of hard Cr plating and no apparent corrosion product appeared on the WC-10Co4Cr coating after salt spraying test for 480 hours, implying it has a long time corrosion-resistance property. |
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| Keywords: | HVOF WC- 10Co4Cr Frictional wear Corrosion-resistance |
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