The influence of the MCVA deposition parameters on the structure and tribological properties of DLC coatings on woodworking HSS tool substrates

• Autorzy: Pancielejko M. , Czyżniewski A. , Gilewicz A. , Szymański W. , Zavaleyev V.
• Języki publikacji: EN

Abstrakty

EN

Purpose: The purpose of the present study was the influence of deposition parameters of diamond-like-carbon coatings (DLC), with the modified cathodic vacuum arc (MCVA) method deposited on tool substrates (high-speed steel HS6-5-2) for woodworking, on their structure and tribological properties. Design/methodology/approach: DLC coating was deposited by MCVA method. Structure, adhesion, hardness, internal stresses and friction wear resistance of DLC coatings were tested. Tests of knives coated with DLC and uncoated ones was made by machining medium density fibreboard (MDF) using a industrial milling machine. Findings: The hardness of DLC coatings was 22.7-57.1 GPa. The Raman spectrum of DLC coatings was analysed The high hardness and internal stresses of DLC coating is related to the amount of sp3 bonds. DLC coatings display high adhesion: critical load in the scratch method (LC2 = 22-40 N), from Rockwell test (HF1). The influence of the structure, hardness and adhesion of coatings on wear resistance of coated tools is discussed. Practical implications: The wide range of tribological properties of DLC coatings that are deposited with different parameters may indicate the possibility of their application for tools for wood-like materials in order to increase their durability. Originality/value: Depending of the deposition parameters applied, it is possible to obtain DLC coatings in a wide range of hardness (22.7-57.1 GPa) and adhesion (LC2 = 22-40 N). The industrial tests of cutting wood-based materials indicate that the DLC coatings with different properties improve HSS tool performance. The DLC coatings show antiwear properties required in industry application. The DLC coatings might be apply on high-speed steel planer knives for woodworking industry.

Słowa kluczowe

EN

DLC coatings; modified cathodic vacuum arc; coated woodworking tools

PL

powłoki PVD

• Wydawca: International OCSCO World Press
• Czasopismo: Archives of Materials Science and Engineering
• Rocznik: 2013
• Tom: Vol. 64, nr 2
• Strony: 160--167
• Opis fizyczny: Bibliogr. 28 poz.

Twórcy

autor

Pancielejko M.

• Institute of Technology and Education, Koszalin University of Technology, ul. Śniadeckich 2, 75-453 Koszalin, Poland

autor

Czyżniewski A.

• Institute of Technology and Education, Koszalin University of Technology, ul. Śniadeckich 2, 75-453 Koszalin, Poland

autor

Gilewicz A.

• Institute of Technology and Education, Koszalin University of Technology, ul. Śniadeckich 2, 75-453 Koszalin, Poland

autor

Szymański W.

• Poznań University of Life Sciences, ul. Wojska Polskiego 28, 60-637 Poznań, Poland

autor

Zavaleyev V.

• Institute of Technology and Education, Koszalin University of Technology, ul. Śniadeckich 2, 75-453 Koszalin, Poland

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