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Enhancing the microstructure and grain refining performance of Al-5Ti-1B master alloy by a gas atomization process

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Published/Copyright: August 22, 2019
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International Journal of Materials Research
From the journal International Journal of Materials Research Volume 110 Issue 9

Abstract

A gas atomization process has been explored to enhance the microstructure and grain refining performance of Al-5Ti-1B master alloy. The results indicate that a gas atomization process has evidently alleviated the aggregation tendency of TiB2 particles and refined TiAl3 particles, resulting in a fine uniform dispersion of TiB2 and TiAl3 particles. Grain refining performance tests showed that the gas atomized Al-5Ti-1B master alloy effectively refined the average grain size of commercial purity Al from 2500 μm to 183 μm after 2 min of its inoculation, and the average grain size remained at 229 μm after inoculation for 180 min. The gas atomized Al-5Ti-1B master alloy demonstrated a much better grain refining efficiency and higher anti-fading ability than that of the as-cast Al-5Ti-1B master alloy.

Keywords: Al-5Ti-1B master alloy; Gas atomization; Microstructure; Grain refining performance
*Correspondence address, Dr. Yuehua Kang, Guangdong Institute of Materials and Processing, Changxing road No. 363, Tianhe district, Guangzhou 510650, P.R. China, Tel: +86 020 61086666, e-mail:

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Received: 2018-12-18
Accepted: 2019-03-23
Published Online: 2019-08-22
Published in Print: 2019-09-16

© 2019, Carl Hanser Verlag, München

Articles in the same Issue

  1. Original Contributions
  2. Thermodynamic re-assessment of the binary Cr–Ta system down to 0 K
  3. Thermodynamic analysis of precipitation behavior of M23C6 carbide in Nimonic 105 superalloy
  4. Texture evolution of magnesium alloy AZ31 during high temperature tensile deformation
  5. Effect of reciprocating extrusion temperature and passes on the microstructural evolution of Mg-5Sn-1Si-0.8Y alloy
  6. Constitutive modeling of flow behavior of CuZn39Pb2 alloy under hot working conditions
  7. The effect of austempering on the microstructure and mechanical properties of PM Fe-0.8c steel aloyed with copper and nickel
  8. Enhancing the microstructure and grain refining performance of Al-5Ti-1B master alloy by a gas atomization process
  9. Aging response investigation of 2017 Al alloy processed by gravity and squeeze casting
  10. Die-casting aluminum alloys for high-efficiency thermal radiation components
  11. Wear and corrosion of in-situ formed Al3Zr aluminide reinforced Al3003 surface composite
  12. Magnesium aluminate spinel ceramics infiltrated with lanthanum-glass for dental applications
  13. Short Communications
  14. Influence of pre-rolling on microstructural evolution of non-basal textured magnesium alloy
https://doi.org/10.3139/146.111803
Keywords for this article
Al-5Ti-1B master alloy; Gas atomization; Microstructure; Grain refining performance

Articles in the same Issue

  1. Original Contributions
  2. Thermodynamic re-assessment of the binary Cr–Ta system down to 0 K
  3. Thermodynamic analysis of precipitation behavior of M23C6 carbide in Nimonic 105 superalloy
  4. Texture evolution of magnesium alloy AZ31 during high temperature tensile deformation
  5. Effect of reciprocating extrusion temperature and passes on the microstructural evolution of Mg-5Sn-1Si-0.8Y alloy
  6. Constitutive modeling of flow behavior of CuZn39Pb2 alloy under hot working conditions
  7. The effect of austempering on the microstructure and mechanical properties of PM Fe-0.8c steel aloyed with copper and nickel
  8. Enhancing the microstructure and grain refining performance of Al-5Ti-1B master alloy by a gas atomization process
  9. Aging response investigation of 2017 Al alloy processed by gravity and squeeze casting
  10. Die-casting aluminum alloys for high-efficiency thermal radiation components
  11. Wear and corrosion of in-situ formed Al3Zr aluminide reinforced Al3003 surface composite
  12. Magnesium aluminate spinel ceramics infiltrated with lanthanum-glass for dental applications
  13. Short Communications
  14. Influence of pre-rolling on microstructural evolution of non-basal textured magnesium alloy
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