Creep fatigue life prediction method based on crystal plasticity
A technology for fatigue life prediction and crystal plasticity, applied in constraint-based CAD, special data processing applications, design optimization/simulation, etc., can solve problems such as failure to describe the evolution of stress-strain response damage mechanism at the micro-level
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[0064] Below, according to the drawings, preferred embodiments of the present invention are given and described in detail, so that the functions and features of the present invention can be better understood.
[0065] see figure 1 A method for predicting creep fatigue life based on crystal plasticity disclosed by the present invention comprises the following steps:
[0066] S1: Obtain the EBSD (Electron Backscatter Diffraction) information of the original material through the backscattered electron diffraction technique. The EBSD information mainly includes crystal orientation and crystal structure information, and the ABAQUS representative unit model is established based on the EBSD information of the material;
[0067] Among them, S1 specifically includes:
[0068] S11: Convert the EBSD information of the material into the nodes and units in the input file readable by ABAQUS and the corresponding grain orientation file through matlab language, where the orientation paramete...
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