Fracture analysis of the planet support used in a nuclear power plant
1 Suzhou Nuclear Power Research Institute, Equipment Management Department, 518000 Shenzhen, PR China
2 HongYanHe Nuclear Power Plant, System Equipment Branch, 116000 DaLian, PR China
In this paper, the fracture analysis of the planet support, which was made of aluminium alloy and used in an electric actuator, was investigated. The laboratory analysis was conducted to find out whether there are defects generated during manufacturing process. Besides, the finite element analysis was carried out to calculate the maximum tensile stress and compared it with the material strength. The mechanism of the fracture was found to be low-cycle fatigue.
© The Authors, published by EDP Sciences, 2016
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