Manufacture of Narrow Thin-Walled Super Invar Pipe

The manufacture of thin-walled narrow pipe from 32NKD Super Invar alloy by drawing is studied. The drawing forces on the mandrel and the pipe blank are determined. The influence of the lubricant on the frictional forces is analyzed. The linear-expansion coefficient of the thin-walled pipe produced b...

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Veröffentlicht in:	Russian engineering research 2021-03, Vol.41 (3), p.272-276
Hauptverfasser:	Trifanov, V. I., Sukhanova, O. A., Melkozerov, M. G., Khodenkov, A. A., Trifanov, I. V.
Format:	Artikel
Sprache:	eng
Schlagworte:	Engineering Engineering Design Ferrous alloys Low expansion alloys Pipes Thermal expansion
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Zusammenfassung:	The manufacture of thin-walled narrow pipe from 32NKD Super Invar alloy by drawing is studied. The drawing forces on the mandrel and the pipe blank are determined. The influence of the lubricant on the frictional forces is analyzed. The linear-expansion coefficient of the thin-walled pipe produced by drawing is compared with that of an undeformed sample of 32NKD alloy, as a function of the temperature.
ISSN:	1068-798X 1934-8088
DOI:	10.3103/S1068798X21030199