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  4. Laser surface alloying of Al99.99 and AlSi10Mg with Cr and Ni
 
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1992
Book Article
Title

Laser surface alloying of Al99.99 and AlSi10Mg with Cr and Ni

Abstract
The surfaces of Al99.99 and AlSi10Mg are alloyed with laser radiation using Cr and Ni which are blown into the melt pool within the interaction zone by powder feeding technique. The alloyed zone was investigated by optical microscopy, electron microscopy, hardness measurements and wear testing. The alloyed zone is crack and pore free either in the case of single or overlapping tracks. The microhardness and ear resistance are significantly improved by the formation of intermetallic compounds.
Author(s)
Kreutz, E.W.
Pirch, N.
Rozsnoki, M.
Mainwork
Interactive dynamics of convection and solidification  
Language
English
Fraunhofer-Institut für Lasertechnik ILT  
Keyword(s)
  • codeposition

  • electron microscopy

  • microhardness

  • powder feeding

  • radiation

  • solidification

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