3D Modelling of Flash Formation in Linear Friction Welded 30CrNiMo8 Steel Chain

Publikation: Beitrag in einer FachzeitschriftArtikel

Abstract

Linear friction welding (LFW) is a solid-state welding process that has been thoroughly investigated for chain welding in recent years in order to replace the currently in use Flash Butt Welding (FBW) process. Modelling has proven to be an indispensable tool in LFW, thus providing necessary insight to the process, regardless of its final application. This article describes a 3D model developed in the commercial software DEFORM to study the LFW process of 30CrNiMo8 high strength steel in the Hero chain. Hence, a weakly coupled thermal and mechanical model were used, by means of the process experimental input such as displacement histories. The flash morphology and intervening mechanisms were analyzed. A thermal evaluation of different regions in the studied geometry was considered, and a correlation of the modeled and experimental width of the extrusion zone was established.
Originalspracheenglisch
Seitenumfang12
FachzeitschriftMetals
Jahrgang7
Ausgabenummer10
PublikationsstatusVeröffentlicht - 21 Okt 2017

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