Home Technology Reactive wetting of Ti-6Al-4V alloy by molten Al 4043 and 6061 alloys at 600–700°C
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Reactive wetting of Ti-6Al-4V alloy by molten Al 4043 and 6061 alloys at 600–700°C

  • Qiaoli Lin , Fuxiang Li , Peng Jin and Weiyuan Yu
Published/Copyright: May 30, 2017
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International Journal of Materials Research
From the journal International Journal of Materials Research Volume 108 Issue 6

Abstract

Wetting of Ti-6Al-4V alloy by two industrial grade Al alloys (i. e., Al 6061 and 4043 alloys) was studied using the sessile drop method at 600–700 °C under high vacuum. Al/Ti-6Al-4V is a typical reactive wetting system with good final wettability accompanied by the formation of precursor film which is actually an extended reaction layer. The formation mechanism for the precursor film is “subcutaneous infiltration”. The small amount of alloying element Si in the alloys can cause significant segregation at the liquid/solid interface which satisfies the thermodynamic condition. The wetting behavior can be described by the classic reaction product control models, and Ti7Al5Si12 decomposition and Al3Ti formation correspond to the two spreading stages. The small difference in alloying elements in Al 6061 and 4043 resulted in distinctly different interface structures, formation of precursor film and spreading dynamics, especially for the Si segregation at the interface.

Keywords: Coating; Interface; Wettability
*Correspondence address, Associate Professor Qiaoli Lin, Department of Materials Science & Engineering, Lanzhou University of Technology, No. 287 Langongping Road, Lanzhou 730050, P. R. China, Tel.: +86931 2973529, Fax: +86931 2755806, E-mail: , Web: http://cailiao.lut.cn/w/

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Received: 2016-10-18
Accepted: 2017-02-20
Published Online: 2017-05-30
Published in Print: 2017-06-12

© 2017, Carl Hanser Verlag, München

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https://doi.org/10.3139/146.111499
Keywords for this article
Coating; Interface; Wettability

Articles in the same Issue

  1. Contents
  2. Contents
  3. Original Contributions
  4. The thermodynamic stability induced by solute co-segregation in nanocrystalline ternary alloys
  5. A general approach on the modelling of incubation in ferrite transformation using non-isothermal kinetics data for 22MnB5 steel
  6. Effect of aging on microstructure and mechanical properties of ZnAl15Cu1 alloy for wrought applications
  7. Deformation behavior and texture randomization of Mg–Zn–Gd alloys reinforced with icosahedral quasicrystal
  8. Atomic mobility in liquid and fcc Al–Si–Mg–RE (RE = Ce, Sc) alloys and its application to the simulation of solidification processes in RE-containing A357 alloys
  9. Reactive wetting of Ti-6Al-4V alloy by molten Al 4043 and 6061 alloys at 600–700°C
  10. Laser surface treatment of S235JRC carbon steel with Co2B nanocrystals
  11. Research and analysis of stress distribution in multilayers of coated tools
  12. Observations of freeze layer formation during heat balance shifts in cryolite-based smelting bath
  13. Synthesis and thermo-mechanical investigation of macrodiol-based shape memory polyurethane elastomers
  14. DGM News
  15. DGM News
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