Increasing the strength of welded thin-walled axisymmetric vessels made of corrosion-resistant steel

Autor:	V. G. Egorov, M. A. Vasechkin, O. Yu. Davydov, S. V. Egorov, E. V. Matveeva
Rok vydání:	2020
Předmět:	History Materials science law Corrosion resistant cardiovascular system technology industry and agriculture Rotational symmetry Thin walled Welding Composite material Computer Science Applications Education law.invention
Zdroj:	Journal of Physics: Conference Series. 1515:032033
ISSN:	1742-6596 1742-6588
DOI:	10.1088/1742-6596/1515/3/032033
Popis:	Structural elements of thin-walled vessels operating under internal pressure are mainly made from sheet blanks using welding operations. To reduce the negative impact of welds in the manufacture of thin-walled vessels, it is proposed to use separate calibration processes by compressing vessel parts with subsequent welding and their joint calibration by distribution and rotary rolling. Compression calibration ensures the accuracy of matching of the abutting annular edges of the vessel parts. During rotary rolling, the welds are simultaneously smoothed and the strength characteristics are improved due to plastic hardening caused by thinning and leveling the wall thickness of the vessel body. Based on the conducted research, technological recommendations have been developed for the manufacture of thin-walled vessels of increased strength from corrosion-resistant steels.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_________::78e85f0b78bccb5dc446ec99bdaade3d https://doi.org/10.1088/1742-6596/1515/3/032033 Zobrazit plný text záznamu