Investigative on the remanufacturing process of TC4 blade based on selective laser melting and CNC machining

This paper process a self-adaptive hybrid remanufacturing process of TC4 blade based on the additive manufacturing and CNC machining. The requirement of mechanical properties of the blade remanufacturing process is firstly introduced. The process flow of self-adaptive hybrid manufacturing process of TC4 blade based on the selective laser melting and CNC machining is then processed. The mechanical properties of the remanufacturing area, the transition area, and the matrix area of blade are thirdly analyzed by the FEA and the mechanical experiment. The feasibility of the proposed process method is finally verified by a case blade remanufacturing experiment. The results show that the remanufacturing area, the transition area and the matrix area are of good metallurgical bonding effect. The tensile properties of the remanufacturing area and the transition area after the hybrid remanufacturing process have reached the tensile properties standard of TC4. The impact toughness value of the transition area of TC4 blade is higher than that of the remanufacturing area, and the transition area after the hybrid remanufacturing process has better impact resistance. The blade remanufacturing experiment verified that the self-adaptive hybrid remanufacturing process is feasibility to obtain the sufficient mechanical property of the remanufacturing area and the transition area.

Abstract licence: CC BY-NC

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