Influence of Cross Section on the Parameters for Linear Friction Welding of High-Strength Chains

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In respect of weld quality, weld strength and the heat affected zone (HAZ) size, linear friction welding (LFW) has significant advantages compared to flash-butt and resistance welding. The production of chain links is realized by one c-shaped part in reciprocating motion being moved towards a stationary one under applied forces. The friction at the contact faces causes heat and thus, the material is plastically deformed. Due to relative movement excessive material is pressed out of the joint area leading to a characteristic weld burr. Relative motion is stopped once the defined burn-off is reached and by applying the forge force the chain is welded. In this paper, welding parameters for three different cross sections are investigated. Based on successful welding trials on 30CrNiMo8 steel chains with 26 mm diameter, parameters are adapted for smaller cross sections. On 48 steel specimens with 7, 10 and 15 mm diameter systematic welding trials are performed. The influence of the welding parameters frequency, amplitude, forge force and burn-off on welding strength and welding time are investigated with and without application of heat treatment. This test series was evaluated using DoE.

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508-513

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November 2016

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© 2017 Trans Tech Publications Ltd. All Rights Reserved

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[1] A. Vairis and M. Frost, High frequency liniear friction welding of a titanium alloy, Wear, vol. 217, p.117–131, (1998).

DOI: 10.1016/s0043-1648(98)00145-8

Google Scholar

[2] A. Vairis and M. Frost, On the extrusion stage of linear friction welding of Ti 6Al 4V, Mater. Sci. Eng. A, vol. 271, no. 1–2, p.477–484, Nov. (1999).

DOI: 10.1016/s0921-5093(99)00449-9

Google Scholar

[3] I. Bhamji, M. Preuss, P. L. L. Threadgill, and A. C. C. Addison, Solid state joining of metals by linear friction welding: a literature review, Mater. Sci. Technol., vol. 27, no. 1, p.2–12, Jan. (2011).

DOI: 10.1179/026708310x520510

Google Scholar

[4] K. Mucic, N. Enzinger, and F. Fuchs, Linear Friction Welding of High Strength Chains, Trends Weld. Res. Proc. 9th Int. Conf., p.752–756, (2013).

Google Scholar

[5] I. Bhamji, M. Preuss, P. L. Threadgill, R. J. Moat, A. C. Addison, and M. J. Peel, Linear friction welding of AISI 316L stainless steel, Mater. Sci. Eng. A, vol. 528, no. 2, p.680–690, Dec. (2010).

DOI: 10.1016/j.msea.2010.09.043

Google Scholar

[6] U. U. Ofem, P. A. Colegrove, A. Addison, and M. J. Russell, Energy and force analysis of linear friction welds in medium carbon steel, Sci. Technol. Weld. Join., vol. 15, no. 6, p.479–485, Aug. (2010).

DOI: 10.1179/136217110x12731414739790

Google Scholar

[7] Böhler Edelstahl GmbH & Co KG, Böhler V145, in HEAT TREATABLE STEEL.

Google Scholar