| 抽油杆用钢高频感应熔覆NiCrBSi-RE涂层组织与性能研究 |
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| 引用本文： | 程国东,王引真,王宝阳,冯涛. 抽油杆用钢高频感应熔覆NiCrBSi-RE涂层组织与性能研究[J]. 表面技术, 2009, 38(2) |
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| 作者姓名： | 程国东 王引真 王宝阳 冯涛 |
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| 作者单位： | 1. 中国石油大学机电学院,山东,东营,257061;海洋石油工程(青岛)有限公司,山东,青岛,266555
2. 中国石油大学机电学院,山东,东营,257061 |
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| 基金项目： | 中国石油大学研究生院创新基金，东营市科学技术发展计划 |
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| 摘 要： | 为了延长抽油杆的使用寿命,采用高频感应加热技术在抽油杆用钢35CrMo基体表面制备了含La2O3的NiCrBSi自熔性合金粉末涂层,利用OM和XRD衍射分析技术观察和分析了熔覆层组织和相结构,测定了熔覆层表面和横截面的Vickers硬度,在统计分析的基础上研究了涂层服从正态分布、Weibull分布的拟合优度.结果表明:La2O3的加入改善了涂层显微组织的均匀性和相结构,涂层表面的Vickers硬度同时显著地服从正态分布和Weibull分布,根据不同分布估计出的平均值的置信区间大致相同;提高了涂层横截面的显微硬度,涂层横截面硬度可达500~950HV0.2,当涂层中加入6%稀土时,涂层的显微硬度最高,其耐冲蚀磨损性能最好,在90min内,其失重为2.11mg/mm2.
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| 关 键 词： | 感应熔覆 显微硬度 正态分布 韦伯分布 |
Study on the Microstructure and Properties of NiCrBSi-RE Coatings by High Frequency Induction Cladding onto Sucker Rod Steel |
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| CHENG Guo-dong,WANG Yin-zhen,WANG Bao-yang,FENG Tao. Study on the Microstructure and Properties of NiCrBSi-RE Coatings by High Frequency Induction Cladding onto Sucker Rod Steel[J]. Surface Technology, 2009, 38(2) |
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| Authors: | CHENG Guo-dong WANG Yin-zhen WANG Bao-yang FENG Tao |
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| Affiliation: | CHENG Guo-dong1,2,WANG Yin-zhen1,WANG Bao-yang1,FENG Tao1(1.College of Mechanical , Electronic Engineering,China University of Petroleum,Dongying 257061,China,2.Offshore OIL Engineering(Qing Dao) Co.,Ltd,Qingdao 266555,China) |
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| Abstract: | To prolong the life of the sucker rod,the coatings on the 35CrMo sucker rod steel substrate were manufactured by high frequency induction heating technology using NiCrBSi self-fluxing alloy power added with La2O3.Micrography and microstructure of the coatings were observed and analyzed by OM and XRD.The hardness of Vickers of coatings on the surface and on the cross sections were also measured.The goodness of fit was studied for Vickers hardness of the coatings following normal and weibull distributions bas... |
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| Keywords: | High frequency induction cladding Microhardness Normal distribution Weibull distribution |
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