Wear characteristics of electroless Ni-P-Si3N4 composite coatings on ferrous PM parts
Küçük Resim Yok
Tarih
2016
Yazarlar
Dergi Başlığı
Dergi ISSN
Cilt Başlığı
Yayıncı
European Powder Metallurgy Association (EPMA)
Erişim Hakkı
info:eu-repo/semantics/closedAccess
Özet
In present study, the structural and wear properties of as-plated and heat-treated Ni-P-Si3N4 composite coatings on ferrous powder metal (PM) compacts were investigated. The synthesized submicron ?-Si3N4 particles (10 g/L) were added into the Ni-P bath to develop Ni-P-Si3N4 composite coatings on the PM compacts. Coated compacts were heat-treated at 400°C for 1 h and the effect of heat treatment on the coating performance was studied. Chemical composition of the coatings was analysed by EDX. The phases and morphology of coatings were examined by XRD and SEM. The friction and wear behaviour were studied using pin-on-disk tribometer under unlubricated sliding conditions. The results show that the incorporation of submicron Si3N4 particles in the deposit significantly has been found to improve the hardness and wear resistance of composite coatings. The hardness and wear resistance of Ni-P-Si3N4 coatings heat-treated at 400 oC had the maximum hardness and wear resistance.
Açıklama
European Powder Metallurgy Association (EPMA)
World Powder Metallurgy 2016 Congress and Exhibition, World PM 2016 -- 9 October 2016 through 13 October 2016 -- Hamburg -- 131600
World Powder Metallurgy 2016 Congress and Exhibition, World PM 2016 -- 9 October 2016 through 13 October 2016 -- Hamburg -- 131600
Anahtar Kelimeler
Composite coating, Electroless coating, Friction, Powder metallurgy, Wear
Kaynak
World PM 2016 Congress and Exhibition
WoS Q Değeri
Scopus Q Değeri
N/A
