Abstract
Based on the elastoplastic theory of materials, the distribution of residual stress is analyzed by the Huang’s model calculation to obtain the optimum autofrettage pressure considering the strain hardening effect of the plastic material and the Bauschinger effect. The BLH simulating model is set up by applying 16 different autofrettage stresses from 400 MPa to 1200 MPa. The optimized autofrettage stress distribution was achieved by comparing the working stress of 16 groups of experiments. Then, the Huang’s model is simplified, and the trend of working stress with residual stress is obtained. The reliability of the simplified model is verified, which provides a basis for autofrettage high-pressure cylinders design.
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Li, G., Li, Y., Shi, J., Zhang, S., Mitrouchev, P. (2020). Analysis of Residual Stress for Autofrettage High Pressure Cylinder. In: Wang, Y., Martinsen, K., Yu, T., Wang, K. (eds) Advanced Manufacturing and Automation IX. IWAMA 2019. Lecture Notes in Electrical Engineering, vol 634. Springer, Singapore. https://doi.org/10.1007/978-981-15-2341-0_3
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DOI: https://doi.org/10.1007/978-981-15-2341-0_3
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