Erosion wear behavior of NiCr+Cr3C2–NiCr coating under multi–impact angle and novel coating structure design
Despite advances in NiCr + Cr3C2–NiCr coating improving the erosion wear resistance at low impact angles, the deterioration at medium and high impact angles has not been solved for the impeller subjecting to multi–impact angle. Herein the conflict is circumvented by combining the erosion performance...
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| Format: | Article |
| Language: | English |
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Elsevier
2021-09-01
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| Series: | Journal of Materials Research and Technology |
| Subjects: | |
| Online Access: | http://www.sciencedirect.com/science/article/pii/S2238785421009613 |
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doaj-d469bb435068429fa6e96413e53a7a26 |
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| record_format |
Article |
| collection |
DOAJ |
| language |
English |
| format |
Article |
| sources |
DOAJ |
| author |
Haiyang Lu Yanle Li Fangyi Li Jianfeng Li Liming Wang Xueju Ran Zhen Li Lin Kong |
| spellingShingle |
Haiyang Lu Yanle Li Fangyi Li Jianfeng Li Liming Wang Xueju Ran Zhen Li Lin Kong Erosion wear behavior of NiCr+Cr3C2–NiCr coating under multi–impact angle and novel coating structure design Journal of Materials Research and Technology Erosion wear Multi–impact angle NiCr+Cr3C2–NiCr Ductile-brittle ratio Tangential functional gradient coating |
| author_facet |
Haiyang Lu Yanle Li Fangyi Li Jianfeng Li Liming Wang Xueju Ran Zhen Li Lin Kong |
| author_sort |
Haiyang Lu |
| title |
Erosion wear behavior of NiCr+Cr3C2–NiCr coating under multi–impact angle and novel coating structure design |
| title_short |
Erosion wear behavior of NiCr+Cr3C2–NiCr coating under multi–impact angle and novel coating structure design |
| title_full |
Erosion wear behavior of NiCr+Cr3C2–NiCr coating under multi–impact angle and novel coating structure design |
| title_fullStr |
Erosion wear behavior of NiCr+Cr3C2–NiCr coating under multi–impact angle and novel coating structure design |
| title_full_unstemmed |
Erosion wear behavior of NiCr+Cr3C2–NiCr coating under multi–impact angle and novel coating structure design |
| title_sort |
erosion wear behavior of nicr+cr3c2–nicr coating under multi–impact angle and novel coating structure design |
| publisher |
Elsevier |
| series |
Journal of Materials Research and Technology |
| issn |
2238-7854 |
| publishDate |
2021-09-01 |
| description |
Despite advances in NiCr + Cr3C2–NiCr coating improving the erosion wear resistance at low impact angles, the deterioration at medium and high impact angles has not been solved for the impeller subjecting to multi–impact angle. Herein the conflict is circumvented by combining the erosion performance of the NiCr and Cr3C2–NiCr under different impact angles and proposing a novel coating structure. First, the NiCr + Cr3C2–NiCr coating specimens with different NiCr content were prepared using the plasma spraying system. Second, the erosion rate of NiCr + Cr3C2–NiCr coatings in relation to the impact angle and the concentration of NiCr was measured by an air jet erosion test system, the microhardness was measured on the polished cross-section, and the erosion morphology was observed by SEM and analysed. Erosion behavior analysis showed that the NiCr + Cr3C2–NiCr coatings exhibited the coupling erosion wear mechanism of high toughness and high hardness, where the dominant characteristic was depending on the concentration of NiCr. Then, a tangential functional gradient coating structure was proposed by combining the excellent erosion wear resistance of ductile and brittle materials at varying impact angles, and a semi-theoretical erosion rate model considering the influence of the NiCr concentration was established based on the deformation wear theory. The erosion rate model was validated by experiments which showed the error was within 9.15%. Consequently, the erosion rate can be regulated on demand along the entire eroded surface, which significantly improves the erosion resistance of cermet at medium and high impact angles, thus prolonging the residual life of remanufactured impeller. |
| topic |
Erosion wear Multi–impact angle NiCr+Cr3C2–NiCr Ductile-brittle ratio Tangential functional gradient coating |
| url |
http://www.sciencedirect.com/science/article/pii/S2238785421009613 |
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AT haiyanglu erosionwearbehaviorofnicrcr3c2nicrcoatingundermultiimpactangleandnovelcoatingstructuredesign AT yanleli erosionwearbehaviorofnicrcr3c2nicrcoatingundermultiimpactangleandnovelcoatingstructuredesign AT fangyili erosionwearbehaviorofnicrcr3c2nicrcoatingundermultiimpactangleandnovelcoatingstructuredesign AT jianfengli erosionwearbehaviorofnicrcr3c2nicrcoatingundermultiimpactangleandnovelcoatingstructuredesign AT limingwang erosionwearbehaviorofnicrcr3c2nicrcoatingundermultiimpactangleandnovelcoatingstructuredesign AT xuejuran erosionwearbehaviorofnicrcr3c2nicrcoatingundermultiimpactangleandnovelcoatingstructuredesign AT zhenli erosionwearbehaviorofnicrcr3c2nicrcoatingundermultiimpactangleandnovelcoatingstructuredesign AT linkong erosionwearbehaviorofnicrcr3c2nicrcoatingundermultiimpactangleandnovelcoatingstructuredesign |
| _version_ |
1717369100868517888 |
| spelling |
doaj-d469bb435068429fa6e96413e53a7a262021-09-25T05:07:46ZengElsevierJournal of Materials Research and Technology2238-78542021-09-011431233133Erosion wear behavior of NiCr+Cr3C2–NiCr coating under multi–impact angle and novel coating structure designHaiyang Lu0Yanle Li1Fangyi Li2Jianfeng Li3Liming Wang4Xueju Ran5Zhen Li6Lin Kong7Key Laboratory of High Efficiency and Clean Mechanical Manufacture, Ministry of Education, School of Mechanical Engineering, Shandong University, Jinan, 250061, China; National Demonstration Center for Experimental Mechanical Engineering Education, Shandong University, Jinan, 250061, ChinaKey Laboratory of High Efficiency and Clean Mechanical Manufacture, Ministry of Education, School of Mechanical Engineering, Shandong University, Jinan, 250061, China; National Demonstration Center for Experimental Mechanical Engineering Education, Shandong University, Jinan, 250061, China; Corresponding author.Key Laboratory of High Efficiency and Clean Mechanical Manufacture, Ministry of Education, School of Mechanical Engineering, Shandong University, Jinan, 250061, China; National Demonstration Center for Experimental Mechanical Engineering Education, Shandong University, Jinan, 250061, China; Corresponding author.Key Laboratory of High Efficiency and Clean Mechanical Manufacture, Ministry of Education, School of Mechanical Engineering, Shandong University, Jinan, 250061, China; National Demonstration Center for Experimental Mechanical Engineering Education, Shandong University, Jinan, 250061, ChinaKey Laboratory of High Efficiency and Clean Mechanical Manufacture, Ministry of Education, School of Mechanical Engineering, Shandong University, Jinan, 250061, China; National Demonstration Center for Experimental Mechanical Engineering Education, Shandong University, Jinan, 250061, ChinaKey Laboratory of High Efficiency and Clean Mechanical Manufacture, Ministry of Education, School of Mechanical Engineering, Shandong University, Jinan, 250061, China; National Demonstration Center for Experimental Mechanical Engineering Education, Shandong University, Jinan, 250061, ChinaKey Laboratory of High Efficiency and Clean Mechanical Manufacture, Ministry of Education, School of Mechanical Engineering, Shandong University, Jinan, 250061, China; National Demonstration Center for Experimental Mechanical Engineering Education, Shandong University, Jinan, 250061, ChinaKey Laboratory of High Efficiency and Clean Mechanical Manufacture, Ministry of Education, School of Mechanical Engineering, Shandong University, Jinan, 250061, China; National Demonstration Center for Experimental Mechanical Engineering Education, Shandong University, Jinan, 250061, ChinaDespite advances in NiCr + Cr3C2–NiCr coating improving the erosion wear resistance at low impact angles, the deterioration at medium and high impact angles has not been solved for the impeller subjecting to multi–impact angle. Herein the conflict is circumvented by combining the erosion performance of the NiCr and Cr3C2–NiCr under different impact angles and proposing a novel coating structure. First, the NiCr + Cr3C2–NiCr coating specimens with different NiCr content were prepared using the plasma spraying system. Second, the erosion rate of NiCr + Cr3C2–NiCr coatings in relation to the impact angle and the concentration of NiCr was measured by an air jet erosion test system, the microhardness was measured on the polished cross-section, and the erosion morphology was observed by SEM and analysed. Erosion behavior analysis showed that the NiCr + Cr3C2–NiCr coatings exhibited the coupling erosion wear mechanism of high toughness and high hardness, where the dominant characteristic was depending on the concentration of NiCr. Then, a tangential functional gradient coating structure was proposed by combining the excellent erosion wear resistance of ductile and brittle materials at varying impact angles, and a semi-theoretical erosion rate model considering the influence of the NiCr concentration was established based on the deformation wear theory. The erosion rate model was validated by experiments which showed the error was within 9.15%. Consequently, the erosion rate can be regulated on demand along the entire eroded surface, which significantly improves the erosion resistance of cermet at medium and high impact angles, thus prolonging the residual life of remanufactured impeller.http://www.sciencedirect.com/science/article/pii/S2238785421009613Erosion wearMulti–impact angleNiCr+Cr3C2–NiCrDuctile-brittle ratioTangential functional gradient coating |