Abstract:Blades are widely used in aerospace, navigation, new energy, and other fields. The blades with hollow structure can not only reduce the weight of the engine and centrifugal force, but also improve the working efficiency and the service life. Though the mechanical properties of blades will be improved during plastic deformation, the hollow structure may be severely destroyed. In this paper, experiments of pressing hollow blades filled with a low melting point (LMP) mandrel are designed. Experimentally, when the… Show more
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