Wear performance of titanium and niobium added MOS2 coatings under isobutane exposure

Mahmut F. Aksit, Huseyin Kizil, Ihsan Efeoglu, Kemal Sariibrahimoglu

Araştırma sonucu: ???type-name???Konferans katkısıbilirkişi

Özet

As conventional refrigerants phased out, Hydrocarbons such as Isobutane emerged as the main alternative in refrigeration industry. However, compatibility of these new ozone friendly refrigerants with compressor oils and bearing materials need to be evaluated. This study investigates wear performance of Titanium and Niobium added MoS2 coatings running against 100Cr6 steel under isobutane exposure. Wear performance is established under starved lubrication condition by comparing the maximum achieved sliding distance before the sudden increase and fluctuation of the friction curve. Sinter steel samples were coated with MoS2, MoS2-Ti, MoS2-Nb thin films by magnetron sputtering. The concept of durability distance has been defined as the distance until a sudden fluctuation of the friction curve is observed. It was found that addition of Titanium and Niobium adversely affects wear performance of the MoS2 coatings under isobutane exposure. This can be attributed to the possible degradation of MoS2 lamellar structure that acts as solid lubricant under such exposure.

Orijinal dilİngilizce
Ana bilgisayar yayını başlığıProceedings of the ASME/STLE International Joint Tribology Conference 2009, IJTC2009
Sayfalar265-267
Sayfa sayısı3
DOI'lar
Yayın durumuYayınlandı - 2010
Etkinlik2009 ASME/STLE International Joint Tribology Conference, IJTC2009 - Memphis, TN, United States
Süre: 19 Eki 200921 Eki 2009

Yayın serisi

AdıProceedings of the ASME/STLE International Joint Tribology Conference 2009, IJTC2009

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???event.eventtypes.event.conference???2009 ASME/STLE International Joint Tribology Conference, IJTC2009
Ülke/BölgeUnited States
ŞehirMemphis, TN
Periyot19/10/0921/10/09

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