25-27 April 2022
Conventum Conference Center
Europe/Vienna timezone

Effect of tooling temperature on the transient lubricant behaviours in hot metal forming processes

25 Apr 2022, 16:40
20m
Room 2

Room 2

Oral Presentation Simulations & modelling Simulation & Modelling

Speaker

Ms Xiao Yang (Imperial College London)

Description

In hot metal forming processes, the temperature of the forming tool is increased under repeated use during mass production conditions. Two-phase water-based lubricants may be applied to cool down the forming tool, in which the liquid agent would evaporate or decompose rapidly with dry matter deposited on the tooling surface during the dwelling time before the forming process commences. In this study, an interactive friction model for a two-phase lubricant was developed to predict the transient lubricant behaviours, specifically, predicting the effects of tool temperature and dwelling time on the friction coefficient evolution and lubricant breakdown. Friction tests between warm pins and a hot aluminium workpiece were conducted using the advanced friction testing system, Tribo-Mate, to validate the modelling results.

Speaker Country China

Primary authors

Ms Xiao Yang (Imperial College London) Ms LeMeng Zhang (Imperial College London) Mr Heli Liu (Imperial College London)

Co-authors

Dr Denis Politis Mr Mohammad Gharbi Dr LiLiang Wang (Imperial College London)

Presentation Materials

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