Excimer laser induced plasma for aluminum alloys surface carburizing
| Autor: | Thierry Sauvage, Pascal Andreazza, Chantal Boulmer-Leborgne, C. Langlade, C. Andreazza-Vignolle, F. Fariaut, E. Le Menn |
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| Rok vydání: | 2002 |
| Předmět: |
Materials science
medicine.medical_treatment General Physics and Astronomy chemistry.chemical_element Carbide Carburizing Condensed Matter::Materials Science chemistry.chemical_compound Physics::Plasma Physics Aluminium Phase (matter) Physics::Atomic and Molecular Clusters medicine Physics::Atomic Physics Composite material Excimer laser Aluminium carbide Metallurgy technology industry and agriculture Surfaces and Interfaces General Chemistry Plasma equipment and supplies Condensed Matter Physics Surfaces Coatings and Films chemistry Carbon |
| Zdroj: | Applied Surface Science. 186:105-110 |
| ISSN: | 0169-4332 |
| DOI: | 10.1016/s0169-4332(01)00597-9 |
| Popis: | Currently, while light alloys are useful for automotive industries, their weak wear behavior is a limiting factor. The excimer laser carburizing process reported here has been developed to enhance the mechanical and chemical properties of aluminum alloys. An excimer laser beam is focused onto the alloy surface in a cell containing 1 bar methane or/and propylene gas. A vapor plasma expands from the surface, the induced shock wave dissociates and ionizes the ambient gas. Carbon atoms diffuse into the plasma in contact with the irradiated surface. An aluminum carbide layer is created by carbon diffusion in the surface liquid layer during the recombination phase of the plasma. |
| Databáze: | OpenAIRE |
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