Influence of chemical heat treatment on the mechanical properties of paper knife-edge die

• Autorzy: Dybowski K. , Kaczmarek Ł. , Pietrasik R. , Smolik J. , Kołodziejczyk Ł. , Batory D. , Gzik M. , Stagliński M.
• Języki publikacji: EN

Abstrakty

EN

Purpose: In this article mechanical properties together with wear mechanism of paper knife-edge die made of A 681 steel with TiN, TiCN and DLC coating were analyzed. A Paper knife-edge die using in stamping machine, serves a map of complicated graphical projects. However wear resistance is strongly dependent on chemical composition of a paper mainly on the TiO2 content. Design/methodology/approach: In order to optimize the wear resistance of analyzed paper knife-edge die, influence of HS6-5-2 and A 681 substrate with Duplex treatment (vacuum nitriding/ TiN, TiCN and DLC antiwear coatings deposition) were compared. Morphology and mechanical properties (hardness, adhesion) were measured. Findings: The present results show that the duplex treatment (nitriding/TiN) is a very promising technology for protection of paper knife-edge dies due to the uniform, dense structure with a high adhesion to the HS6-5-2 substrate. Hybrid layer fabricated by the gas nitriding and vacuum arc deposition presented improved mechanical properties. Research limitations/implications: In further examinations to compare the results obtained for each layer it should be taken into consideration to manufacture the gradient DLC layers onto nitrided high-speed cutting steel. For full analysis of worked out technology additional examinations concerning investigation of friction coefficient and wear resistance and corrosion features of deposited layers should be conducted. Originality/value: Our experiments provide in this case the evidence of increased mechanical properties of HS6-5-2 steel together with Duplex treatment (TiN coating) instead of A 681 substrate with TiN or TiCN coating.

Słowa kluczowe

EN

wear resistance; adhesion; protective coatings

PL

odporność na ścieranie; adhezja; powłoki ochronne

• Wydawca: International OCSCO World Press
• Czasopismo: Journal of Achievements in Materials and Manufacturing Engineering
• Rocznik: 2009
• Tom: Vol. 37, nr 2
• Strony: 422--427
• Opis fizyczny: Bibliogr. 25 poz., rys., tabl.

Twórcy

autor

Dybowski K.

autor

Kaczmarek Ł.

autor

Pietrasik R.

autor

Smolik J.

autor

Kołodziejczyk Ł.

autor

Batory D.

autor

Gzik M.

autor

Stagliński M.

• Institute of Material Science and Engineering, Technical University of Lodz, ul. Stefanowskiego 1/15, 90-924 Lódź, Poland,

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