Silicon nitride bearing ball having a high rolling contact fatig

Details Silicon nitride bearing ball having a high rolling contact fatig Silicon nitride bearing ball having a high rolling contact fatig

1994-03-22

1996-04-16

Group, Karl

Compositions: ceramic

Ceramic compositions

Refractory

501 98, C04B 35584

Patent

active

055082416

ABSTRACT:
A sintered silicon nitride ceramic having an L10 value of at least 50 million stress cycles in ASTM test STP 771 under 6.9 GPa applied contact stress.

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O.Kwon, "Silicon Nitride for High-Performance Bearings", Ceramic Bulletin, vol. 69, No. 7, 1990, p. 1113.
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"Noralide.sup.R Bearing Grade Silicon Nitride NBD-200 Material Specification", Cerbec Ceramic Bearing Company, PDC/MS0004, Sep. 5, 1990, Revision B, pp. 1-3.

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