Study on the friction interface evolution during rotary friction welding of tube
Source abstract
Abstract
In this study, evolution characteristics of the friction interface during rotary friction welding of tube were investigated. The friction interface that obtained at different welding stage were observed by confocal laser scanning microscopy. The results show that the friction interface transforms from sliding friction state to visco-plastic deformation state when the welding torque reaches the peak value. In addition, based on the thermodynamic framework extracted from the maximum entropy production principle, an analytical model for transition criterion from sliding friction to visco-plastic deformation was established. The model was verified by the corresponding experimental results of eight alloys, which indicated that the accuracy and generality of the model is satisfactory.
Source: openalex_inverted_index · Quality: baseline
Research context
OpenAlex topics: Advanced Welding Techniques Analysis · Welding Techniques and Residual Stresses · Intermetallics and Advanced Alloy Properties
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Shaanxi Key Laboratory of Friction Welding Technologies, Northwestern Polytechnical University, Xi’an, P. R. China;
State Key Laboratory of Solidification Processing, Northwestern Polytechnical University, Xi’an, P. R. China
Funding
National Natural Science Foundation of China
References (33)
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