A method for analyzing the effect of ultrasonic impact treatment on residual stress of metal components formed by laser selective melting
A technology of laser selective melting and ultrasonic impact, which is applied in the field of additive manufacturing, can solve problems such as initial stress and deformation, and achieve the effect of optimizing impact process parameters
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[0026] The present invention will be further described below with reference to the accompanying drawings.
[0027] figure 1 is the finite element mesh division diagram of the impacted member; figure 2 Overall assembly drawing of punch, impact pin and impacted components after meshing; image 3 is the displacement load curve loaded on the punch; Figure 4 The displacement diagram in the transverse direction is cut along the longitudinal section of the center line for the component after laser selective melting and forming; Figure 5 It is the transverse stress distribution after the component is cut along the longitudinal section of the center line after laser selective melting and forming; Image 6 It is the transverse stress distribution after the member is cut along the longitudinal section of the center line after impact treatment; Figure 7 It is the lateral displacement distribution of the member after the impact treatment is cut along the longitudinal section of the...
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