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R. Divakar (1994)
Sintered silicon carbides with controlled porosity for mechanical face seal applicationsLubrication Engineering, 50
Y. Gu
Practical Technology of Mechanical Seals
Schunk Kohlenstofftechnik GmbH
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L.D. Piehn
The application of tungsten carbide for mechanical seal faces
G. Jones (2004)
On the tribological behaviour of mechanical seal face materials in dry line contact Part I. Mechanical carbonWear, 256
Yang Huayong, Yang Jian, Zhou Hua (2003)
Research on materials of piston and cylinder of water hydraulic pumpIndustrial Lubrication and Tribology, 55
C. Iliev (2010)
On the wear behaviour of silicon nitride sliding against metals in waterIndustrial Lubrication and Tribology, 62
A.O. Lebeck
Principles and Design of Mechanical Face Seals
G. Lim, P. Chua, Y. He (2003)
Modern water hydraulics--the new energy-transmission technology in fluid powerApplied Energy, 76
F. Conrad (2005)
TRENDS IN DESIGN OF WATER HYDRAULICS-MOTION CONTROL AND OPEN-ENDED SOLUTIONS, 2005
G. Jones (2004)
On the tribological behaviour of mechanical seal face materials in dry line contact: Part II. Bulk ceramics, diamond and diamond-like carbon filmsWear, 256
Purpose – It is aiming at finding tribology performance laws and mechanism of sintering materials, including new materials, which are popular or potential materials of mechanical seals working under water condition with different working parameters, involving load and sliding speed. Design/methodology/approach – Falex‐1506 tribo‐machine has been used. The upper sample is rotated against the stationary sample below. They are all rings. The samples are WNV2, sintered pressureless bonded; CHV1, graphite‐added PLSiC; R, sintered reaction bonded; R2, graphite‐added RBSiC, cemented carbide YN6 and graphite MSMG. Twenty kinds of hard/hard and soft/hard pairs were tested under water condition. Then, SEM was used to observe the sliding surface to explain their rubbing mechanism. Findings – Friction coefficients decrease with the load increasing under water lubrication due to water holding by small holes on their surface. But the friction coefficients have no change with the varying of velocity. The hard alloy/sintered silicon carbon pairs may be better choice, where the lowest friction coefficient is only about 0.02, than soft/hard or silicon carbon/silicon carbon pairs under water lubrication, especially under heavy load. Research limitations/implications – The test was carried under load from 89 N (0.7 MPa) to 356 N (2.80 MPa) and sliding velocity from 0.746 to 5.074 m/s where the lubrication is in mixed. Originality/value – The detailed values of frictional coefficients of popular and potential sintered material of mechanical seals working under water lubrication were given by the experimental research which may be helpful for the choice of mechanical seal materials.
Industrial Lubrication and Tribology – Emerald Publishing
Published: Feb 4, 2014
Keywords: Tribology; Sealing materials
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