A series of ratcheting experiments and finite element analysis simulation under bending loading for Z2CND18.12N stainless steel elbows were carried out. Chaboche and modified Ohno-Wang model are applied to evaluate structural ratcheting response simulations. It is found that ratcheting strain initiates firstly in the hoop direction and increases in the axial direction with the increasing of loading. The Ratcheting strain rate grows with the increase of the reversed in-plane bending load or internal pressure for both specimens with different loadings. Comparison of simulation and experiment showed that modified Ohno-Wang model presented simulation more reasonably.
The 200L oil drum is widely applied as a result of its various aspects superior performance, implementation of 200L oil drum implementation circulation use may reduce the production cost, reduces the environment pollution and the resources waste, therefore the 200L oil drum's circulation use has the enormous prospect. Based on the oil drum orthopedic, outside surface clean, internal surface clean, drying four critical processes, this article has developed the 200L oil drum circulation use mechanization production line. This production line has made significant improvements on the production technology and automation. The device will not only improve the quality of the renovation of oil drums but also improve production safety.
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