Laser wire fusing additive manufacturing titanium alloy component structure refining and isometric crystal converting method
A technology of additive manufacturing and laser melting, which is applied in the directions of additive manufacturing, additive processing, and process efficiency improvement. It can solve problems such as poor fatigue performance and coarse structure, and achieve the effect of compact structure and simplified path planning.
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[0034] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.
[0035] The purpose of the present invention is to provide a simple method for microstructure refinement and equiaxed grain transformation of titanium alloy components manufactured by laser fuse additive manufacturing. The method couples the ultrasonic impact micro forging device with the laser fuse additive manufacturing device, The high-intensity ultrasonic energy field is introduced into the laser fuse additive manufacturing process, and at the same time exerts the interference effect of the ultrasonic energy field on the molten pool and the impact strengthening effect on the solid deposition layer, so as to improve the equiaxed grain transformation of titanium alloy components and refine the grain size. Particles and improve mechanical properties, solve the problem of coarse structure and poor fatigue performance of titanium alloy i...
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