Modelling the flash formation of linear friction welded 30CrNiMo8 high strength steel chains

Pedro Effertz*, Franz Fuchs, Norbert Enzinger

*Corresponding author for this work

Research output: Contribution to journalArticle

Abstract

Linear friction welding (LFW) is a solid-state welding process and its initial purpose lied solely on the production of "blisks" for the aerospace industry. However, in recent years the usability of LFW has expanded and gained the interest from various industries regarding near-net-shapes. Also in chain manufacturing LFW has acquired interest over the more common flash butt welding (FBW) process. In this work, numerical modelling is used to study and understand the mechanisms responsible for the flash formation in a 30CrNiMo8 high strength steel chain. To that end, 2D computational modelling was considered using the finite element analysis (FEA) software DEFORM and was divided in two distinct approaches: a purely thermal model and a plastic flow model. Temperature measurements were carried out to validate the model and self-cleaning ability of the process was analyzed.
Original languageEnglish
Pages (from-to)2479–2486
JournalThe International Journal of Advanced Manufacturing Technology
Volume92
DOIs
Publication statusPublished - 3 Apr 2017

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