期刊
JOURNAL OF MATERIALS PROCESSING TECHNOLOGY
卷 252, 期 -, 页码 567-572出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.jmatprotec.2017.10.018
关键词
Rotary friction welding; Residual stresses; Material modeling; Hardening; Structural simulation
For the numerical simulation of the rotary friction welding process in prior works a modified CARREAU fluid law has been successfully adopted, which can so far not be used for the residual stress prediction due to the basic assumptions in this model. Therefore, an extension is proposed accounting for elastic effects, thermal induced stresses and hardening of steels using the data of continuous cooling transformation (CCT) phase diagrams. For the validation of the model, measurements from literature as well as own measurements utilizing partial cut-outs are used. The numerical results correlate well with experimental data for first order residual stresses.
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