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SLIDING MEMBER AND METHOD OF MANUFACTURING SLIDING MEMBER
To provide a sliding member having improved wear resistance, and a method of manufacturing the sliding member. A femoral head ball according to an aspect of the present disclosure includes a composite ceramic containing alumina and at least one oxide other than alumina. A surface roughness Ra of the sliding surface when the femoral head ball slides against a constituent member constituting an artificial joint is not more than 0.01 μm. The sliding surface includes a plurality of recessed portions each having an opening diameter of not more than 2 μm.
SLIDING MEMBER AND METHOD OF MANUFACTURING SLIDING MEMBER
To provide a sliding member having improved wear resistance, and a method of manufacturing the sliding member. A femoral head ball according to an aspect of the present disclosure includes a composite ceramic containing alumina and at least one oxide other than alumina. A surface roughness Ra of the sliding surface when the femoral head ball slides against a constituent member constituting an artificial joint is not more than 0.01 μm. The sliding surface includes a plurality of recessed portions each having an opening diameter of not more than 2 μm.
SLIDING MEMBER AND METHOD OF MANUFACTURING SLIDING MEMBER
MURAKAMI TAKAYUKI (author) / NAKAMURA TAITO (author) / IKEDA JUNJI (author)
2023-07-27
Patent
Electronic Resource
English
Sliding member, disc for false twisting machine, and method for manufacturing sliding member
| European Patent Office | 2024