Phase formation and properties of vanadium-modified Ni–Cr–B-Si–C laser-deposited coatings

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• 作者：I. Hemmati (1)
  J. C. Rao (2)
  V. Ocelík (1)
  J. Th. M. De Hosson (2)
  
• 刊名：Journal of Materials Science
• 出版年：2013
• 出版时间：April 2013
• 年：2013
• 卷：48
• 期：8
• 页码：3315-3326
• 参考文献：1. Conde A, Zubiri F, De Damborenea YJ (2002) Mater Sci Eng A 334:233 CrossRef
  2. Hemmati I, Ocelik V, De Hosson JThM (2011) Contact mechanics and surface treatments X. WIT Press, Malta, p 287 CrossRef
  3. Zhang H, Shi Y, Kutsuna M, Xu GJ (2010) Nucl Eng Des 240:2691 CrossRef
  4. Fernández E, Cadenas M, González R, Navas C, Fernández R, Damborenea JD (2005) Wear 259:870 CrossRef
  5. Huang Y, Zeng X (2010) Appl Surf Sci 256:5985 CrossRef
  6. Wang D-S, Liang E, Chao M, Yuan B (2008) Surf Coat Technol 202:1371 CrossRef
  7. Wang F, Mao H, Zhang D, Zhao X, Shen Y (2008) Appl Surf Sci 255:3267 CrossRef
  8. Chao M-J, Liang E-J (2004) Surf Coat Technol 179:265 CrossRef
  9. Yu T, Deng Q, Dong G, Yang J (2011) Appl Surf Sci 257:5098 CrossRef
  10. Hemmati I, Rao JC, Ocelik V, De Hosson JTM (2013) Microsc Microanal 19:1 CrossRef
  11. Hertzberg RW, Vinci RP, Hertzberg JL (2012) Deformation and fracture mechanics of engineering materials. Wiley, Hoboken
  12. Barin I (1995) Thermochemical data of pure substances. VCH, Weinheim CrossRef
  13. Toyserkani E, Corbin S, Khajepour A (2004) Laser cladding. CRC Press, Florida
  14. Cockeram BV (1998) Surf Coat Technol 108-09:377 CrossRef
  15. Ocelík V, Eekma M, Hemmati I, De Hosson JTM (2012) Surf Coat Technol 206:2403 CrossRef
  16. Hemmati I, Ocelík V, De Hosson JThM (2012) Mater Lett 84:69 CrossRef
  17. Kuz’ma YB, Telegus VS, Kovalyk DA (1969) Sov Powder Metall Met Ceram 8:403 CrossRef
  18. Clementi E, Raimondi DL, Reinhardt WP (1967) J Chem Phys 47:1300 CrossRef
  19. Hugh Pierson O (1996) Handbook of refractory carbides and nitrides: properties, characteristics, processing, and applications. Noyes Publications, Park Ridge
  
• 作者单位：I. Hemmati (1)
  J. C. Rao (2)
  V. Ocelík (1)
  J. Th. M. De Hosson (2)
  
  1. Materials Innovation Institute (M2i), Department of Applied Physics, University of Groningen, Nijenborgh 4, 9747 AG, Groningen, the Netherlands
  2. Department of Applied Physics, Zernike Institute for Advanced Materials, University of Groningen, Nijenborgh 4, 9747 AG, Groningen, the Netherlands
  
• ISSN：1573-4803

文摘

A Ni–Cr–B-Si–C alloy powder was modified by addition of 2 and 5 wt% of vanadium to tackle the high cracking sensitivity of the original composition during laser deposition. The effects of vanadium on microstructure and phases were investigated by Scanning Electron Microscopy, Energy Dispersive Spectroscopy, and Transmission Electron Microscopy (TEM) and the changes in the hardness and cracking tendency of the deposits were evaluated. In comparison to the original composition, V-modified alloys produced deposits with lower hardness and moderately reduced cracking tendencies. Addition of vanadium transformed the nature and the morphology of the boride precipitates and added VC particles to the microstructure but did not induce a significant microstructural refinement. TEM characterizations confirmed that borides phases in the modified deposits consisted of alternating layers of CrB and (Cr1?xVx)B but the VC existed as independent particles which were formed on the boride precipitates. The final phase constitution of the modified alloys was dramatically influenced by the complete solid solubility between CrB and VB and the lack of solubility between Cr7C3 and VC. Addition of vanadium did not provide the phases which could act as nucleation sites to refine the microstructure of the deposits because VB had a tendency to dissolve in CrB and VC was formed at low temperatures on the boride phases. The outcomes of this study can be used to evaluate the effects of adding early transition metals such as vanadium on the microstructure and phase formations of the Ni–Cr–B-Si–C alloys.