添加CeO2对超音速火焰喷涂微纳米结构WC-10Co4Cr涂层组织和性能的影响
Effect of CeO2 Addition on Microstructure and Properties of High VelocityOxygen Fuel Sprayed Micro-Nano Structural WC-10Co4Cr Coating
摘 要
采用超音速火焰（HVOF）喷涂技术制备了微纳米结构WC-10Co4Cr涂层和质量分数1% CeO2改性微纳米结构WC-10Co4Cr涂层，研究了CeO2的添加对涂层显微组织、力学性能和耐磨粒磨损性能的影响。结果表明：CeO2的添加对粉末烧结过程中Co3W3C相的形成有抑制作用，同时能够减少喷涂过程中W2C相的生成；CeO2改性涂层的孔隙率为未改性涂层的72%；CeO2的添加会加剧涂层的铬元素聚集程度，不利于CoCr黏结相的生成；CeO2改性涂层的力学性能和耐磨粒磨损性能均低于未改性涂层，显微硬度和断裂韧度分别降低了11%和7%，经过15 600 r磨损后，其磨损质量损失率比未改性涂层高36%。
超音速火焰喷涂
微纳米结构
CeO2改性
耐磨粒磨损性能
WC-10Co4Cr coating
high velocity oxygen fuel spraying
micro-nano structure
CeO2 modification
abrasive wear resistance
Abstract
The micro-nano structural WC-10Co4Cr coating and the micro-nano structural WC-10Co4Cr coating modified with 1wt% CeO2 were prepared by high velocity oxygen fuel (HVOF) spraying. The effect of CeO2 addition on the microstructure, mechanical properties and abrasive wear resistance was studied. The results show that the addition of CeO2 inhibited the formation of Co3W3C phase during the powder sintering process, and reduced the content of W2C phase during spraying. The porosity of the CeO2 modified coating was 72% of that of the unmodified coating. The addition of CeO2 increased the degree of chromium agglomeration, which was not conducive to the formation of CoCr bonding phase. The mechanical properties and abrasive wear resistance of the CeO2 modified coating were lower than those of the unmodified coating, and the microhardness and fracture toughness were reduced by 11% and 7%, respectively. After wear for 15 600 r, the wear mass loss rate of the CeO2 modified coating was 36% higher than that of the unmodified coating.
中图分类号 TG148 DOI 10.11973/jxgccl202309015
所属栏目 专题报道（金属材料表面处理）
基金项目 国家自然科学基金资助项目（52001239）
收稿日期 2022/8/30
修改稿日期 2023/7/23
网络出版日期
作者单位点击查看
备注田英豪(1997-),男,陕西宝鸡人,硕士研究生
引用该论文: TIAN Yinghao,DING Xiang,YANG Changchun,ZHU Hanhua,DENG Yibin. Effect of CeO2 Addition on Microstructure and Properties of High VelocityOxygen Fuel Sprayed Micro-Nano Structural WC-10Co4Cr Coating[J]. Materials for mechancial engineering, 2023, 47(9): 87～93
田英豪,丁翔,杨长春,朱汉华,邓义斌. 添加CeO2对超音速火焰喷涂微纳米结构WC-10Co4Cr涂层组织和性能的影响[J]. 机械工程材料, 2023, 47(9): 87～93
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参考文献
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【17】SAHRAOUI T, GUESSASMA S, ALI JERIDANE M, et al.HVOF sprayed WC-Co coatings:Microstructure, mechanical properties and friction moment prediction[J].Materials & Design, 2010, 31(3):1431-1437.
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【2】黄炎, 丁彰雄, 喻仲昆, 等.微纳米WC-10Co4Cr涂层在NaCl介质中的抗泥沙冲蚀性能研究[J].热喷涂技术, 2019, 11(4):16-24. HUANG Y, DING Z X, YU Z K, et al.Study on anti-erosion performance of micro-nano WC-10Co4Cr coating in NaCl medium[J].Thermal Spray Technology, 2019, 11(4):16-24.
【3】杨伟华, 吴玉萍, 洪晟, 等.超音速火焰喷涂WC-10Co-4Cr涂层的微观组织与摩擦磨损性能[J].材料工程, 2018, 46(5):120-125. YANG W H, WU Y P, HONG S, et al.Microstructure, friction and wear properties of HVOF sprayed WC-10Co-4Cr coating[J].Journal of Materials Engineering, 2018, 46(5):120-125.
【4】吴杰, 王忠华, 吕健.HVOF喷涂超细结构WC-12Co涂层磨粒磨损性能[J].稀有金属与硬质合金, 2019, 47(4):24-29. WU J, WANG Z H, LV J.Abrasive wear resistance of ultra-fine structured WC-12Co coating deposited by HVOF[J].Rare Metals and Cemented Carbides, 2019, 47(4):24-29.
【5】WANG H B, QIU Q F, GEE M, et al.Wear resistance enhancement of HVOF-sprayed WC-Co coating by complete densification of starting powder[J].Materials & Design, 2020, 191:108586.
【6】VASHISHTHA N, KHATIRKAR R K, SAPATE S G.Tribological behaviour of HVOF sprayed WC-12Co, WC-10Co-4Cr and Cr3C2-25NiCr coatings[J].Tribology International, 2017, 105:55-68.
【7】QIAO L, WU Y P, HONG S, et al.Wet abrasive wear behavior of WC-based cermet coatings prepared by HVOF spraying[J].Ceramics International, 2021, 47(2):1829-1836.
【8】SONG B, MURRAY J W, WELLMAN R G, et al.Dry sliding wear behaviour of HVOF thermal sprayed WC-Co-Cr and WC-CrxCy-Ni coatings[J].Wear, 2020, 442/443:203114.
【9】赵辉, 王群, 丁彰雄, 等.HVOF喷涂纳米结构WC-12Co涂层的组织结构分析[J].表面技术, 2007, 36(4):1-3. ZHAO H, WANG Q, DING Z X, et al.Microstructural analysis of nanostructured WC-12Co coatings sprayed by HVOF[J].Surface Technology, 2007, 36(4):1-3.
【10】王大锋, 张波萍, 贾成厂, 等.超音速火焰喷涂技术制备的双峰WC-CoCr涂层磨粒磨损特性[J].粉末冶金技术, 2017, 35(2):118-127. WANG D F, ZHANG B P, JIA C C, et al.Abrasive wear behavior of bimodal WC-CoCr coatings sprayed by high velocity oxy-fuel[J].Powder Metallurgy Technology, 2017, 35(2):118-127.
【11】丁翔, 程旭东, 丁彰雄, 等.超音速火焰喷涂微纳米WC-CoCr涂层的性能与空蚀行为[J].中国有色金属学报, 2017, 27(8):1679-1686. DING X, CHENG X D, DING Z X, et al.Properties and cavitation erosion behavior of micro-nano WC-10Co4Cr coatings sprayed by HVOF[J].The Chinese Journal of Nonferrous Metals, 2017, 27(8):1679-1686.
【12】SHU D, CUI X X, LI Z G, et al.Effect of the rare earth oxide CeO2 on the microstructure and properties of the nano-WC-reinforced Ni-based composite coating[J].Metals, 2020, 10(3):383.
【13】周红霞.稀土改性热喷涂WC/12Co涂层的制备及表征[D].哈尔滨:哈尔滨工业大学, 2008. ZHOU H X.Preparation and characterization of rare earth modified thermal sprayed WC/12Co coating[D].Harbin:Harbin Institute of Technology, 2008.
【14】WANG Y N, MIAO L, GENG W, et al.Influence of CeO2 addition on microstructure of vacuum-melting WC-Ni base alloy coating[J].Advanced Materials Research, 2011, 291/292/293/294:184-187.
【15】岑升波, 陈辉, 刘艳, 等.CeO2对超音速火焰喷涂WC-12Co涂层腐蚀磨损性能的影响[J].热喷涂技术, 2015, 7(3):13-19. CEN S B, CHEN H, LIU Y, et al.Effect of CeO2 on the corrosion-wear properties of WC-12Co coatings sprayed by HVOF[J].Thermal Spray Technology, 2015, 7(3):13-19.
【16】MA W X, GE Y, ZHANG L X, et al.Study on the friction performance of cerium oxide on supersonic flame-sprayed WC-10Co-4Cr coating[J].Coatings, 2020, 11(1):24.
【17】SAHRAOUI T, GUESSASMA S, ALI JERIDANE M, et al.HVOF sprayed WC-Co coatings:Microstructure, mechanical properties and friction moment prediction[J].Materials & Design, 2010, 31(3):1431-1437.
【18】JI S C, LI Z X, DU J H, et al. Microstructure and phase analysis of WC-12Co coatings sprayed on Ti6Al4V alloy by HVOF[J]. Rare Metal Materials & Engineering, 2012, 41(11):2005-2009.
【19】ZHOU Y K, LIU X B, KANG J J, et al.Corrosion behavior of HVOF sprayed WC-10Co4Cr coatings in the simulated seawater drilling fluid under the high pressure[J].Engineering Failure Analysis, 2020, 109:104338.
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