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Effect of laser alloying on heat-treated light alloys

  • Krzysztof Labisz , Tomasz Tański , Marek Kremzer und Damian Janicki
Veröffentlicht/Copyright: 31. Januar 2017
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International Journal of Materials Research
Aus der Zeitschrift International Journal of Materials Research Band 108 Heft 2

Abstract

This paper presents the results of a microstructure and hardness investigation into the surface layer of cast aluminium–silicon alloys, after being alloyed by heat treatment and/or remelted with ceramic powders, using a high power diode laser (HPDL). The purpose of this work was to determine the appropriate laser treatment conditions for laser surface treatment of the investigated aluminium and magnesium alloys. For investigation of the obtained structure, optical and scanning electron microscopy was used with energy dispersive X-ray spectroscopy microanalysis. After the laser surface treatment was carried out on the heat-treated aluminium and magnesium cast alloys, there were visible structural changes concerning the microstructure, as well as distribution and morphology of the phases occurring in the alloy, influencing the hardness of the achieved layer. In the structure, three zones were discovered with different structures and properties. Concerning the laser treatment conditions for laser-surface hardening, the laser power and ceramic powder feed rate were also studied. The structure of the surface laser track changed so that two areas of the dispersing zone were detected, where the ceramic powder particles were present. This investigation, with the application of an HPDL for Al and Mg alloys, makes it possible to obtain or develop an interesting technology that is very attractive for the automobile and aviation industries, as a next step after laser surface treatment used for steels.

Keywords: Manufacturing and processing; Ceramic powder; Laser surface treatment; Aluminium cast alloys; Magnesium cast alloys
*Correspondence address, Krzysztof Labisz, Division of Material Processing Technology, Management and Computer Techniques in Materials Science, Institute of Engineering Materials and Biomaterials, Silesian University of Technology, Konarskiego 18a St., Gliwice 44-100, Poland, Tel.: +48322372906, E-mail: , Web: www.imiib.polsl.pl

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Received: 2016-01-04
Accepted: 2016-10-24
Published Online: 2017-01-31
Published in Print: 2017-02-10

© 2017, Carl Hanser Verlag, München

Artikel in diesem Heft

  1. Contents
  2. Contents
  3. Editorial
  4. A new editor for IJMR
  5. Original Contributions
  6. Structural anisotropy in equal-channel angular extruded nickel revealed by dilatometric study of excess volume
  7. Low-temperature transformation to bainite in a medium-carbon steel
  8. Study on the welding continuous cooling transformation and weldability of SA508Gr4 steel for nuclear pressure vessels
  9. Phase precipitation in transition metal-containing 354-type alloys
  10. Effect of laser alloying on heat-treated light alloys
  11. In-situ synthesis, microstructure and properties of Ti2AlN/TiB2 composite
  12. Characterization of mechanical properties of Al/TiCP MMC
  13. Performance evaluation of polysulfone/graphene nanocomposites
  14. Short Communications
  15. Influence of Cu and Mg addition on age-related deterioration in strength and creep behavior of Zn-12Al die casting alloys
  16. Effects of mixing speed of a composite on its friction coefficient and wear resistance
  17. DGM News
  18. DGM News
https://doi.org/10.3139/146.111456
Schlagwörter für diesen Artikel
Manufacturing and processing; Ceramic powder; Laser surface treatment; Aluminium cast alloys; Magnesium cast alloys

Artikel in diesem Heft

  1. Contents
  2. Contents
  3. Editorial
  4. A new editor for IJMR
  5. Original Contributions
  6. Structural anisotropy in equal-channel angular extruded nickel revealed by dilatometric study of excess volume
  7. Low-temperature transformation to bainite in a medium-carbon steel
  8. Study on the welding continuous cooling transformation and weldability of SA508Gr4 steel for nuclear pressure vessels
  9. Phase precipitation in transition metal-containing 354-type alloys
  10. Effect of laser alloying on heat-treated light alloys
  11. In-situ synthesis, microstructure and properties of Ti2AlN/TiB2 composite
  12. Characterization of mechanical properties of Al/TiCP MMC
  13. Performance evaluation of polysulfone/graphene nanocomposites
  14. Short Communications
  15. Influence of Cu and Mg addition on age-related deterioration in strength and creep behavior of Zn-12Al die casting alloys
  16. Effects of mixing speed of a composite on its friction coefficient and wear resistance
  17. DGM News
  18. DGM News
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