Comparison of the PVD gradient coatings deposited onto X40CrMoV5-1 and HS6-5-2 tool steel substrate

• Autorzy: Lukaszkowicz K. , Dobrzański L. A. , Staszuk M. , Pancielejko M.
• Języki publikacji: EN

Abstrakty

EN

Purpose: The main aim of this research was investigation and comparison of selected properties of gradient coatings TiCN and AlSiCrN. In this paper both coatings were deposited by cathode arc evaporation physical vapour deposition (CAE-PVD) method onto high speed steel HS6-5-2 and hot work tool steel X40CrMoV5-1. Design/methodology/approach: Observations of surface and structures of the deposited coatings were carried out on cross sections in the scanning electron microscope. The phase composition of the investigated coatings was determined by means of the X-ray diffractometer. Tests of the coatings' adhesion to the substrate material were made using the scratch test. The microhardness tests of coatings were made with the ultra microhardness tester. Findings: The hard PVD gradient coatings deposited by cathodic arc evaporation method demonstrate the high hardness, adhesion and wear resistance. The critical load L_C2, which is in the range 35-67 N, depends on the coating type and material substrate. The values of friction coefficient for the investigated coatings are changing within the range of 0.08-0.25. Research limitations/implications: In order to evaluate with more detail the possibility of applying these surface layers in tools, further investigations should be concentrated on the determination of the thermal fatigue resistance of the coatings. Originality/value: It should be emphasized that the mechanical properties of the PVD coatings obtained in this work are very encouraging and therefore their application for products manufactured at mass scale is possible in all cases where reliable, very hard and abrasion resistant coatings, deposited onto tools steel substrate are needed.

Słowa kluczowe

EN

thin-thick coatings; mechanical properties

PL

własności mechaniczne

• Wydawca: International OCSCO World Press
• Czasopismo: Journal of Achievements in Materials and Manufacturing Engineering
• Rocznik: 2008
• Tom: Vol. 27, nr 1
• Strony: 79--82
• Opis fizyczny: Bibliogr. 15 poz., il., tab., wykr.

Twórcy

autor

Lukaszkowicz K.

autor

Dobrzański L. A.

autor

Staszuk M.

autor

Pancielejko M.

• Division of Materials Processing Technology, Management and Computer Techniques in Materials Science, Institute of Engineering Materials and Biomaterials, Silesian University of Technology, ul. Konarskiego 18a, 44-100 Gliwice, Poland,

Bibliografia

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