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		大尺寸单晶叶片中小角度晶界的形成与演化
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			Formation and Evolution of Low Angle Grain Boundary in Large-Scale Single Crystal Superalloy Blade
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| 图11. 从小角晶界起始位置沿生长方向往上约5 mm位置处的取向分布 | 
| Fig.11. Distribution of orientation at the site which is about 5 mm from the initial site of low angle grain boundary along the upward growth direction | 
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