Methods of predicting residual stresses and distortion in quenched aluminum castings
A residual stress, aluminum casting technology, applied in the system field of predicting residual stress and deformation in quenched aluminum castings after solution treatment, can solve problems such as unrealistic measurement
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[0155] As described above, the embodiments of the present invention generally relate to systems, methods, and articles of manufacture for predicting residual stress and / or deformation in quenched aluminum castings. In quenching, the residual stress and deformation caused in aluminum castings are generally caused by the difference in cooling rate, temperature and thermal shrinkage rate between the position and position of the aluminum casting geometric structure. According to an embodiment, the strain and stress analysis module predicts at least one of residual stress and deformation in the quenched aluminum casting. Using strain and stress analysis, the residual stress and deformation can be predicted by combining the thermal strain caused by quenching with the non-linear constitutive behavior of the quenched microstructure of the quenched aluminum casting. The thermal strain usually spans the entire section of the aluminum casting during quenching Caused by the non-uniform tra...
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