| 摘要 |
A rotatable component includes a first section and a second section that is located radially outwards of the first section with regard to an axis of rotation about which the sections are co-rotatable. These sections are attached together at a bonded interface. At a perimeter region of the bonded interface a perimeter portion of the first section has a first stiffness and a perimeter portion of the second section has a second stiffness that is greater than the first stiffness.
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