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Metallurgist
Published in: Metallurgist 7-8/2013

01-11-2013

Improving the Durability of the Dies and Product Quality in the Production of Nichrome Strips

Authors: A. I. Snigirev, L. M. Zheleznyak, N. A. Snigirev, O. S. Gurtovenko

Published in: Metallurgist | Issue 7-8/2013

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Abstract

Several complicated technological problems had to be solved to develop an alternative technology for the production of nichrome strips, the new technology involving the rolling of cast ingots and drawing of the hot-rolled semifinished products. In the traditional technology, sheet is hot- and cold-rolled and then cut lengthwise to form the strips. One particularly important advance over the existing technology is the improvement made to the geometry of the drawing channel in the hard-alloy dies. This modification significantly reduces die wear, practically eliminates breakage of the strip during drawing, and substantially improves the quality of the strip’s surface.
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Literature
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2.
U. S. Patent No. 3177075, IPC 75-171, Nickel-Chromium Sheet Alloy, publ. 04.06.1965.
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U. S. Patent No. 3625678, IPC C22C19/00, Nickel-Chromium Sheet Alloy Adapted for Producing Weldable Sheet, publ. 12.07.1971.
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French Patent No. 2745147, IPC H05B3/30, Resistive Heating Element Enclosed in a Layered Mica Sheet, publ. 08.22.1997.
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GOST 12766.2–90, Sheet Made of Precision Alloys with a High Resistivity.
7.
N. S. Arsent’eva, L. M. Zheleznyak, N. F. Bokov, et al., Russian Patent No. 2385778, IPC B21B3/00, Method of Making Strips of Nichrome and Similar Alloys, subm. 01.29.2008, publ. 04.10.2010, Byull., No. 10.
8.
N. A. Arsent’eva, A. I. Snigirev, L. M. Zheleznyak, et al., “Production of different types of wire and strip at the Kamensk-Uralsky Nonferrous Metals Plant,” Metallurg, No. 7, 70–74 (2006).
9.
A. I. Snigirev, P. A. Vasilevskii, and Yu. N. Loginov, Russian Useful-Model Patent No. 32495, IPC7 C22C19/05, Strips of Nichrome and Similar Alloys, subm. 03.11.2003, publ. 09.20.2003, Byull., No. 26.
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N. S. Arsent’ev, L. M. Zhleznyak, A.I. Snigirev, and N. A. Snigirev, Russian Patent No. 2371267, IPC B21C3/00, Hard-Alloy Die for Drawing Nichrome Strips, subm. 02.04.2008, publ. 10.27.2009, Byull., No. 30.
Metadata
Title
Improving the Durability of the Dies and Product Quality in the Production of Nichrome Strips
Authors
A. I. Snigirev
L. M. Zheleznyak
N. A. Snigirev
O. S. Gurtovenko
Publication date
01-11-2013
Publisher
Springer US
Published in
Metallurgist / Issue 7-8/2013
Print ISSN: 0026-0894
Electronic ISSN: 1573-8892
DOI
https://doi.org/10.1007/s11015-013-9798-6

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