Method for identifying anisotropic plasticity parameters of plate based on single-cone indentation
A technology of anisotropy and plastic parameters, applied in the direction of testing material hardness, etc., can solve problems such as the influence of sheet metal precision plastic forming, and achieve the effect of accurate experimental results and simple experimental process
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[0036] This embodiment is a method for identifying anisotropic plastic parameters of sheet metal based on single-cone pressing.
[0037] refer to Figure 1 to Figure 7 , this embodiment is based on a single-cone press-in method for identifying anisotropic plastic parameters of sheet metal, which is applied to micro-nano testing and hardness testing equipment; combined with three-dimensional confocal imaging equipment, small-sized test pieces and materials are realized. bit test. The material response information obtained through the indentation test can directly calculate the anisotropic plastic parameters of the tested material.
[0038] Step 1. Select a conical indenter with an inner half angle of 60° to establish a dimensionless function model
[0039]Using the Π theory of dimensional analysis, the relationship between the response parameters of the load-displacement curve of single-cone indentation, the response parameters of unloading residual indentation morphology and...
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