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US 2025/0116291 A1Published application
Ball joint which is resistant to wear and high temperatures, and method for manufacturing the ball joint
AssigneeSKF Aerospace France S.A.S
InventorsArnaud TURMEAU, Aiouba OMAR, Louis BRIDONNEAU
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Abstract
A ball joint includes an outer ring having a spherical inner surface and an inner ring having a spherical outer surface in contact with the spherical inner surface of the outer ring. The outer ring is formed from a nickel-based material, the inner surface of the outer ring includes a carbonitrided layer, and the inner ring is formed from a cobalt-based or nickel-based material.
Claims14
A ball joint comprising:
- an outer ring having a spherical inner surface, and
- an inner ring having a spherical outer surface in contact with the spherical inner surface of the outer ring,
- wherein the outer ring comprises a nickel-based material,
- wherein the inner surface of the outer ring includes a carbonitrided layer, and
- wherein the inner ring comprises a cobalt-based or nickel-based material.
2 more elements
A method for manufacturing a ball joint comprising:
- providing an outer ring comprising a nickel-based material and a spherical inner surface,
- providing an inner ring comprising a cobalt-based or nickel-based material and having a spherical outer surface,
- carbonitriding at least the spherical inner surface of the outer ring, and
- assembling the outer ring with the inner ring.
1 more element
Dependencies are inferred from the claim text.