1. Hadfield steel coatings on low carbon steel by laser cladding
- Author
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Jean-Marc Pelletier, A.B. Vannes, F. Oucherif, Pierre Sallamand, Matériaux, ingénierie et science [Villeurbanne] (MATEIS), Université Claude Bernard Lyon 1 (UCBL), Université de Lyon-Université de Lyon-Institut National des Sciences Appliquées de Lyon (INSA Lyon), Institut National des Sciences Appliquées (INSA)-Université de Lyon-Institut National des Sciences Appliquées (INSA)-Centre National de la Recherche Scientifique (CNRS), Laboratoire d'Ingénierie et Fonctionnalisation des Surfaces (IFoS), École Centrale de Lyon (ECL), and Université de Lyon-Université de Lyon-Centre National de la Recherche Scientifique (CNRS)
- Subjects
Materials science ,Carbon steel ,chemistry.chemical_element ,02 engineering and technology ,Manganese ,engineering.material ,01 natural sciences ,Low carbon steels ,Coating ,Coatings ,0103 physical sciences ,General Materials Science ,Surface layer ,Composite material ,010302 applied physics ,Austenite ,Mechanical Engineering ,Metallurgy ,Hadfield steels ,021001 nanoscience & nanotechnology ,Condensed Matter Physics ,Microstructure ,Laser cladding ,chemistry ,Mechanics of Materials ,Vickers hardness test ,engineering ,[PHYS.COND.CM-MS]Physics [physics]/Condensed Matter [cond-mat]/Materials Science [cond-mat.mtrl-sci] ,0210 nano-technology - Abstract
International audience; Austenitic manganese steels with 12% Mn and 1.2% C, known as Hadfield steels, are of great interest owing to their good mechanical properties, especially their high strengthening ratio during plastic deformation. For many applications only a limited thickness of the surface layer is submitted to wear and therefore manufacturing of coatings with the appropriate Fe---Mn---C composition appears an attractive solution. The present work deals with the production, by laser cladding, of Hadfield coatings on a low carbon steel. Sound austenitic layers are achieved with a thickness in the range 0.5 – 1 mm. During cold working, a large Vickers hardness increase is observed (from about 200 to 650 HV). Formation of a texture is accompanied by a γ → α transformation of the fine and dendritic microstructure of the Hadfield coating.
- Published
- 2000
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