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Vane, gas turbine, ring segment, remodeling method for vane, and remodeling method for ring segment
Vane, gas turbine, ring segment, remodeling method for vane, and remodeling method for ring segment
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机译：叶片，燃气轮机，环段，叶片的改型方法和环段的改型方法
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摘要
A vane (18) has an airfoil section (19) that extends in a radial direction and an outer shroud (20) that is disposed on the radially outward side of the airfoil section (19), and is supported inside a casing by means of a vane support member (24). The outer shroud (20) has a shroud body (31), radial protrusions (36, 37), and a hook section (32) including the radial protrusions (36, 37) and engaging parts (39, 40). A recessed part (50), which is recessed in an axial direction or in the radial direction, is provided in at least a part of the circumference of the hook section (32). The engaging part (39) has a sealing surface that continues along the entire circumference thereof, the sealing surface coming into contact with the vane support member (24) in the radial direction.
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