| 摘要 |
A brake disc for a vehicle has at least one annular friction surface provided on at least one outer face of the disc to which a brake pad can be applied for braking purposes. The friction surface has a large number of subsegments, at least some of which are physically separated from one another by expansion joints. The brake disc is configured in such a way that the depth of the expansion joints is greater than the permissible rate of wear of the friction surface.
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