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Abstract：
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In order to study the hot riveting connection process of railway vehicles further, the finite element models of rivets and riveting parts were established based on the thermal-solid coupling finite element theory, and the hot riveting connection process was simulated and verified by experiments. Then, the deformation process of hot riveting connection was divided into six stages, and the force and deformation of rivet during the hot riveting connection process were analyzed. By changing the length of rivet rod and height of rivet head, the influences of different parameters on the hot riveting connection were analyzed, and the optimum hot riveting parameters were obtained. The results show that the maximum stress of the rivet is concentrated in the center of the contact area for the rivet head and the edge of riveting part, and the maximum strain is concentrated at the position of the rivet head near the edge of riveting part. When the length of rivet rod is less than a certain value, the maximum stress of the rivet occurs at the top of the rivet head and in the center of the contact area for the rivet head and the edge of riveting part. While the length of rivet rod exceeds this value, the stress concentration position appears only at the top of the rivet head, and the maximum stress of the rivet decreases with the increasing of the height of rivet head generally.
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Funds：
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国家自然科学基金资助项目 (11732014,11462011)
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AuthorIntro：
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徐德衍 (1980-)，男，学士，副高工，E-mail：xdy_xzy@163.com
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Reference：
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