Comparative Study on Microstructure and Wear Mechanism of NiCr-Cr3C2 Cemented Carbide Coating Prepared by HVAF and HVAF-Laser Remelting Technology AITranslate
Abstract AITranslate
HVAF and HVAF-laser remelting technology were applied to prepare NiCr-Cr3C2cemented carbide coatings,respectively.The phase composition,microstructure and microhardness of coatings were characterized by XRD,SEM,EDS and Vickers hardness tester,and the wear resistance and wear mechanism of the two kinds of coatings were studied respectively under the dry sliding frictional wear condition and slurry erosion wear condition.It is found that the main phases of NiCr-Cr3C2coating prepared by HVAF-laser remelting areγ-(Fe,Ni),Cr2Ni3and M7C3(M=Cr,Fe),and the metallurgical bonding is formed between coating and substrate.The microhardness of NiCr-Cr3C2coating prepared by HVAF-laser remelting increases with the decreasing laser power,and its average microhardness reaches 1092HV0.2at 1.5kW.Under dry sliding frictional wear condition,the wear mechanism of HVAF coating is abrasive wear and fatigue spalling of carbide particles,and that of HVAF-laser remelting coating is cutting and shearing.Under slurry erosion wear condition,the wear mechanism of HVAF coating is fatigue spalling,and that of HVAF-laser remelting coating is micro-cutting and local fatigue fracture.The slurry erosion resistance of HVAF-laser remelting coating is more than 3times of that of HVAF coating.Laser remelting can effectively improve the metallurgical bonding and slurry erosion resistance of NiCr-Cr3C2cemented carbide coating prepared by HVAF,but the problem of high cracking sensitivity needs further study.
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2刘宗德,董世运,白树林.颗粒增强金属基复合材料涂层的制备及其特性与应用[J].复合材料学报,2013,30(1):1-13. 被引量：14
3Chun-Cheng Zang,Yan-Zhong Wang,Yi-Du Zhang,Jin-Hua Li,Hong Zeng,De-Qiang Zhang.Microstructure and wear-resistant properties of NiCr–Cr_3C_2 coating with Ni45 transition layer produced by laser cladding[J].稀有金属：英文版,2015,0(7):491-497. 被引量：9
4王超,蔡红.爆炸喷涂Cr_3C_2-NiCr涂层的激光重熔工艺[J].金属热处理,2016,41(4):142-145. 被引量：7
5许中林,康嘉杰,王海斗,董天顺,刘金海,李国禄.超音速等离子喷涂的NiCr-Cr_3C_2粒子特性对涂层性能的影响[J].粉末冶金材料科学与工程,2015,20(2):230-236. 被引量：5
6袁有录,李铸国.柱状碳化物(Cr,Fe)_7C_3增强Fe基涂层的摩擦磨损性能[J].材料研究学报,2013,27(6):622-630. 被引量：9
7薛敏鹏,韩彬,王勇,刘兴光.激光熔覆Ni基WC/Cr_3C_2涂层显微组织和耐蚀性研究[J].激光与光电子学进展,2011,48(9):82-87. 被引量：11
8陈清宇,富伟,纪岗昌,王洪涛,李养良.超音速火焰喷涂Cr_3C_2-NiCr层激光重熔后的冲蚀性能[J].材料保护,2010,43(8):70-71. 被引量：2
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Basic Information:
DOI：
Chinese Library Classification Number:TG135.5[一般工业技术—材料科学与工程]
Citation Information:
HVAF and HVAF-laser remelting technology were applied to prepare NiCr-Cr3C2cemented carbide coatings,respectively.The phase composition,microstructure and microhardness of coatings were characterized by XRD,SEM,EDS and Vickers hardness tester,and the wear resistance and wear mechanism of the two kinds of coatings were studied respectively under the dry sliding frictional wear condition and slurry erosion wear condition.It is found that the main phases of NiCr-Cr3C2coating prepared by HVAF-laser remelting areγ-(Fe,Ni),Cr2Ni3and M7C3(M=Cr,Fe),and the metallurgical bonding is formed between coating and substrate.The microhardness of NiCr-Cr3C2coating prepared by HVAF-laser remelting increases with the decreasing laser power,and its average microhardness reaches 1092HV0.2at 1.5kW.Under dry sliding frictional wear condition,the wear mechanism of HVAF coating is abrasive wear and fatigue spalling of carbide particles,and that of HVAF-laser remelting coating is cutting and shearing.Under slurry erosion wear condition,the wear mechanism of HVAF coating is fatigue spalling,and that of HVAF-laser remelting coating is micro-cutting and local fatigue fracture.The slurry erosion resistance of HVAF-laser remelting coating is more than 3times of that of HVAF coating.Laser remelting can effectively improve the metallurgical bonding and slurry erosion resistance of NiCr-Cr3C2cemented carbide coating prepared by HVAF,but the problem of high cracking sensitivity needs further study.
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| GB/T 7714-2015 | [1] ZHANG Lei, CHEN Kuan, ZAHNG Kai, et al. Comparative Study on Microstructure and Wear Mechanism of NiCr-Cr3C2 Cemented Carbide Coating Prepared by HVAF and HVAF-Laser Remelting Technology[J]. Rare Metals and Cemented Carbides, 2020(6): 83-90. |
| MLA | [1] ZHANG Lei, et al., "Comparative Study on Microstructure and Wear Mechanism of NiCr-Cr3C2 Cemented Carbide Coating Prepared by HVAF and HVAF-Laser Remelting Technology." Rare Metals and Cemented Carbides, no. 6, 2020, pp. 83-90. |
| APA | [1] ZHANG Lei, CHEN Kuan, ZAHNG Kai, SU Jian-hao, FU Li, & CHEN Xiao-ming. (2020). Comparative Study on Microstructure and Wear Mechanism of NiCr-Cr3C2 Cemented Carbide Coating Prepared by HVAF and HVAF-Laser Remelting Technology. Rare Metals and Cemented Carbides(6), 83-90. |
| IEEE | [1] ZHANG Lei, CHEN Kuan, ZAHNG Kai, SU Jian-hao, FU Li, and CHEN Xiao-ming, "Comparative Study on Microstructure and Wear Mechanism of NiCr-Cr3C2 Cemented Carbide Coating Prepared by HVAF and HVAF-Laser Remelting Technology," Rare Metals and Cemented Carbides, no. 6, pp. 83-90, 2020. keywords: {HVAF;laser remelting;NiCr-Cr3C2;cemented carbide coating;microstructure;dry sliding frictional wear;slurry erosion wear} |