3、Ni3Si2相中出現(xiàn)了擇優(yōu)取向。此外，涂層內(nèi)的磁疇變得更為活躍，更容易隨著外部磁場的細微變化而有序排列。涂層截面顯微硬度顯著提高，表面殘余應(yīng)力波動明顯，涂層的磨損量降低了近13.6%。實驗結(jié)果表明，穩(wěn)恒磁場可以有效地改善涂層質(zhì)量。此外，探討了穩(wěn)定磁場下噴涂提高Ni基涂層性能的機理。"/>

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穩(wěn)恒磁場對超音速等離子噴涂NiCrBSi涂層組織和性能的影響
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作者單位:

1.河北工業(yè)大學(xué) 材料科學(xué)與工程學(xué)院，天津 300401;2.陸軍裝甲兵學(xué)院 裝備再制造技術(shù)國防科技重點實驗室，北京 100072

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基金項目:

國家自然科學(xué)基金項目（面上項目，重點項目，重大項目）,


Effect of Steady Magnetic Field on Microstructure and Properties of NiCrBSi Coating by Supersonic Plasma Spraying
Author:
Affiliation:

1.School of Materials Science and Engineering, Hebei University of Technology, Tianjin 300401, China;2.National Key Laboratory for Remanufacturing, Army Academy of Armored Forces, Beijing 100072, China

Fund Project:

National Natural Science Foundation of China (52130509); Key Basic Research Project of Foundation Strengthening Plan (2019-JCJQ-ZD-302)

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    摘要:

    在穩(wěn)恒磁場作用下，在45鋼上噴涂了NiCrBSi涂層，并研究了NiCrBSi涂層的組織、力學(xué)性能和摩擦磨損性能。在穩(wěn)恒磁場條件下，涂層的孔隙率顯著降低，沒有形成新物相，但γ-Ni、FeNi3、Ni3Si2相中出現(xiàn)了擇優(yōu)取向。此外，涂層內(nèi)的磁疇變得更為活躍，更容易隨著外部磁場的細微變化而有序排列。涂層截面顯微硬度顯著提高，表面殘余應(yīng)力波動明顯，涂層的磨損量降低了近13.6%。實驗結(jié)果表明，穩(wěn)恒磁場可以有效地改善涂層質(zhì)量。此外，探討了穩(wěn)定磁場下噴涂提高Ni基涂層性能的機理。

    Abstract:

    The NiCrBSi coating was sprayed onto the 45 steel under a steady magnetic field. The microstructure, mechanical properties, and friction and wear properties of coatings were studied. In the steady magnetic field, the coating porosity decreases dramatically. No new phase forms, but the preferred orientation occurs for the γ-Ni, FeNi3, and Ni3Si2 phases. Moreover, the magnetic domains within the coating become more active and more ordered with subtle variations in external magnetic fields. The microhardness of the cross section of coating increases significantly, the residual stress on the surface fluctuates obviously, and the wear amount of the coating decreases by nearly 13.6%. Results show that a steady magnetic field can improve the coating quality effectively. Besides, the mechanism of property enhancement of Ni-based coating by spraying under steady magnetic field was discussed.

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張磊,黃艷斐,何東昱,郭偉玲,李國祿,董天順.穩(wěn)恒磁場對超音速等離子噴涂NiCrBSi涂層組織和性能的影響[J].稀有金屬材料與工程,2023,52(1):103~110.[Zhang Lei, Huang Yanfei, He Dongyu, Guo Weiling, Li Guolu, Dong Tianshun. Effect of Steady Magnetic Field on Microstructure and Properties of NiCrBSi Coating by Supersonic Plasma Spraying[J]. Rare Metal Materials and Engineering,2023,52(1):103~110.]
DOI：10.12442/j. issn.1002-185X.20220206

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  • 收稿日期:2022-03-15
  • 最后修改日期:2022-08-07
  • 錄用日期:2022-08-11
  • 在線發(fā)布日期: 2023-02-09
  • 出版日期: 2023-02-08