Formation of Hard Composite Layer on Tool Steel by Laser Alloying

• Autorzy: Bonek M.

Identyfikatory

DOI

10.1515/amm-2016-0123

• Języki publikacji: EN

Abstrakty

EN

Investigations include alloying the PMHSS6-5-3 steel surface layer with carbide and ceramic powders WC, VC, TiC, SiC, Si₃N₄ and Al₂O₃, using the high power diode laser (HPDL). Laser treatment is especially promising for solving contemporary surface engineering problems making it possible to focus precisely the delivered energy in the form of heat in the surface layer. The structural mechanism was determined of surface layers development, effect was studied of alloying parameters, method on structure refinement and influence of these factors on the mechanical properties of surface layer, and especially on its abrasive wear resistance. The fine grained martensite structure is responsible for hardness increase of the alloyed layer. The tribological wear relationships were determined for laser treated surface layers, determining friction coefficient, and wear trace shape developed due to the abrasive wear of the investigated surfaces. Comparison of the laser treatment parameters and tribological properties of surface layer after remelting and alloying with hard particles of the PMHSS6-5-3 steel using the high power diode laser to obtain the optimum service properties is the outcome of the investigations carried out.

Słowa kluczowe

EN

tool materials; surface treatment; laser; tribology

• Wydawca: Institute of Metallurgy and Materials Science of Polish Academy of Sciences ; Committee of Materials Engineering and Metallurgy of Polish Academy of Sciences
• Czasopismo: Archives of Metallurgy and Materials
• Rocznik: 2016
• Tom: Vol. 61, iss. 2A
• Strony: 719--724
• Opis fizyczny: Bibliogr. 18 poz., rys.

Twórcy

autor

Bonek M.

• Silesian University of Technology, Institute of Engineering Materials and Biomaterials, Faculty of Mechanical Engineering, 18a Konarskiego Str., 44-100 Gliwice, Poland

Bibliografia

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