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Tribological properties of composite multilayer coating
Luleå tekniska universitet, Institutionen för teknikvetenskap och matematik, Maskinelement.ORCID-id: 0000-0003-2705-9195
Luleå tekniska universitet, Institutionen för teknikvetenskap och matematik, Maskinelement.ORCID-id: 0000-0003-1162-4671
Faculty of Engineering, Department of Mechanical Engineering, Atatürk University, Erzurum, Turkey.
Luleå tekniska universitet, Institutionen för teknikvetenskap och matematik, Maskinelement.ORCID-id: 0000-0003-1454-1118
2011 (Svenska)Ingår i: Tribology - Materials, Surfaces & Interfaces, ISSN 1751-5831, E-ISSN 1751-584X, Vol. 5, nr 3, s. 100-106Artikel i tidskrift (Refereegranskat) Published
Abstract [en]

The use of surface coatings is emerging as one of the most important approaches in reducing friction and wear in various tribological applications. Even though single layer coatings have a wide range of applications, the performance of the single layer alone may not always be adequate to meet the desired tribological property requirements. Hence, coatings consisting of multilayers to meet different property requirements in demanding applications are required. In this study, the tribological properties of a graded composite multilayer coating, with a specific layer sequence of MoS2/Ti‐MoS2/TiBN‐TiBN‐TiB2‐Ti deposited on tool steel substrate, have been investigated at temperatures of 40 and 400°C respectively. The experimental results from the tests at 40°C have shown that the friction coefficient value ranges between 0�02 and 0�034. It was found that the deposition parameters influenced the friction and durability of the coatings. Higher substrate bias was found to result in higher friction, and the coating deposited at high substrate bias and low N2 flow showed the lowest durability. The friction coefficient and durability of the coatings were found to be highly dependent on temperature. At high temperature, the friction coefficient increases almost threefold, and the durability decreases significantly.

Ort, förlag, år, upplaga, sidor
2011. Vol. 5, nr 3, s. 100-106
Nationell ämneskategori
Tribologi (ytteknik omfattande friktion, nötning och smörjning)
Forskningsämne
Maskinelement
Identifikatorer
URN: urn:nbn:se:ltu:diva-11601DOI: 10.1179/1751584X11Y.0000000015Scopus ID: 2-s2.0-80054746867Lokalt ID: a9c92799-0e82-4a9d-9371-8facba0ae6e2OAI: oai:DiVA.org:ltu-11601DiVA, id: diva2:984551
Anmärkning
Validerad; 2011; 20110929 (jenhar)Tillgänglig från: 2016-09-29 Skapad: 2016-09-29 Senast uppdaterad: 2018-07-10Bibliografiskt granskad

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Gebretsadik, DanielHardell, JensPrakash, Braham

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