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Microstructure and wear properties of laser clad (Ti,Mo)C multiple carbide reinforced Fe-based composite coating / Xinhong Wang in Transactions of the ASME . Journal of tribology, Vol. 132 N° 4 (Octobre 2010) 

Public ISBD [article]  in Transactions of the ASME . Journal of tribology > Vol. 132 N° 4 (Octobre 2010) . - 05 p. Titre : Microstructure and wear properties of laser clad (Ti,Mo)C multiple carbide reinforced Fe-based composite coating Type de document : texte imprimé Auteurs : Xinhong Wang, Auteur ; Min Zhang, Auteur ; Shiyao Qu, Auteur Année de publication : 2011 Article en page(s) : 05 p. Note générale : Tribology Langues : Anglais (eng) Mots-clés : Cladding  techniques  Claddings  Cracks  Crystallisation  Dissolving  Iron  Laser  materials  processing  Molybdenum  compounds  Nucleation  Particle  reinforced  composites  Particle  size  Titanium  compounds  Wear  resistance  Wear  resistant  coatings Index. décimale : 621.5 Energie pneumatique. Machinerie et outils. Réfrigération Résumé : (Ti,Mo)C multiple carbide reinforced Fe-based composite coating was produced by laser melting a precursor mixture graphite, ferrotitanium (Fe–Ti), and ferromolybdenum (Fe–Mo) powders. The results showed that flowerlike and cubic type (Ti,Mo)C multiple carbides were formed during laser cladding process. The selective area diffraction pattern analysis indicated that (Ti,Mo)C crystallizes with cubic structure, which indicates that (Ti,Mo)C carbides were multiple carbides with Mo dissolved in the TiC structure. The formation of (Ti,Mo)C particles was achieved via a nucleation-growth mechanism during the laser cladding process. Increasing the amount of Fe–Mo in the reactants led to a decrease of carbide size and an increase of volume fraction of carbides. The coating possessed good cracking resistance when the amount of Fe–Mo was controlled within a range of 15 wt %. The Fe-based surface coating reinforced by (Ti,Mo)C multiple carbides gave an excellent wear resistance. DEWEY : 621.5 ISSN : 0742-4787 En ligne : http://scitation.aip.org/getabs/servlet/GetabsServlet?prog=normal&id=JOTRE900013 [...] [article] Microstructure and wear properties of laser clad (Ti,Mo)C multiple carbide reinforced Fe-based composite coating [texte imprimé] / Xinhong Wang, Auteur ; Min Zhang, Auteur ; Shiyao Qu, Auteur . - 2011 . - 05 p. Tribology Langues : Anglais (eng) in Transactions of the ASME . Journal of tribology > Vol. 132 N° 4 (Octobre 2010) . - 05 p. Mots-clés : Cladding  techniques  Claddings  Cracks  Crystallisation  Dissolving  Iron  Laser  materials  processing  Molybdenum  compounds  Nucleation  Particle  reinforced  composites  Particle  size  Titanium  compounds  Wear  resistance  Wear  resistant  coatings Index. décimale : 621.5 Energie pneumatique. Machinerie et outils. Réfrigération Résumé : (Ti,Mo)C multiple carbide reinforced Fe-based composite coating was produced by laser melting a precursor mixture graphite, ferrotitanium (Fe–Ti), and ferromolybdenum (Fe–Mo) powders. The results showed that flowerlike and cubic type (Ti,Mo)C multiple carbides were formed during laser cladding process. The selective area diffraction pattern analysis indicated that (Ti,Mo)C crystallizes with cubic structure, which indicates that (Ti,Mo)C carbides were multiple carbides with Mo dissolved in the TiC structure. The formation of (Ti,Mo)C particles was achieved via a nucleation-growth mechanism during the laser cladding process. Increasing the amount of Fe–Mo in the reactants led to a decrease of carbide size and an increase of volume fraction of carbides. The coating possessed good cracking resistance when the amount of Fe–Mo was controlled within a range of 15 wt %. The Fe-based surface coating reinforced by (Ti,Mo)C multiple carbides gave an excellent wear resistance. DEWEY : 621.5 ISSN : 0742-4787 En ligne : http://scitation.aip.org/getabs/servlet/GetabsServlet?prog=normal&id=JOTRE900013 [...]