Author(s):
Carrapichano, J. M. 
; Oliveira, F. J. ; Silva, R. F. ; Gomes, J. R.
Date: 2005
Persistent ID: http://hdl.handle.net/1822/6131
Origin: RepositóriUM - Universidade do Minho
Document details
Functionality diagrams for hybrid mechanical seals with silicon nitride rings
Description
Ring-on-ring tribological experiments were performed with hybrid mechanical seals with silicon nitride (Si3N4) rings. The K x PV product, where K is the wear coefficient, P the sealing pressure, and V the linear speed, is proposed as a novel parameter to characterize the total working range of a mechanical seal system, with the advantage of directly indicating the thickness reduction for a certain time of service. The KxPV criterion is represented in a map form called ‘‘functionality diagram.’’ The rotary Si3N4 rings show the better behavior (KxPV=0.05 µm/h) against WC–Co mating faces.
Ring-on-ring tribological experiments were performed with hybrid mechanical seals with silicon nitride (Si3N4) rings. The K x PV product, where K is the wear coefficient, P the sealing pressure, and V the linear speed, is proposed as a novel parameter to characterize the total working range of a mechanical seal system, with the advantage of directly indicating the thickness reduction for a certain time of service. The KxPV criterion is represented in a map form called ‘‘functionality diagram.’’ The rotary Si3N4 rings show the better behavior (KxPV=0.05 µm/h) against WC–Co mating faces.
Document Type
Article
Language English
Language English
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