Experimental Study on Galling Behavior in Aluminum Stamping Processes

Aluminum stamping processes are extensively used in automotive and aviation manufacturing for fabricating lightweight components, but their qualities are often restricted by galling, an adhesive wear phenomenon that causes the aluminum transfer and adhesion on tool surfaces. This paper investigated...

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Bibliographic Details
Main Authors: Heli Liu, Xiao Yang, Yang Zheng, Liliang Wang
Format: Article
Language:English
Published: MDPI AG 2022-08-01
Series:Physical Sciences Forum
Subjects:
Online Access:https://www.mdpi.com/2673-9984/4/1/10
Description
Summary:Aluminum stamping processes are extensively used in automotive and aviation manufacturing for fabricating lightweight components, but their qualities are often restricted by galling, an adhesive wear phenomenon that causes the aluminum transfer and adhesion on tool surfaces. This paper investigated the galling behavior in the aluminum stamping processes by conducting friction tests between the AA6082 pin and G3500 cast iron strip using an automated tribo-testing system, Tribo-Mate [10.1016/j.triboint.2021.106934]. The evolutions of the friction coefficient, contact pressure and galling area fraction were presented against the sliding distance. Results show that the contact pressure disequilibrated and rebuilt the dynamic balance between the material generation and ejection during sliding, thus affecting the galling area fraction. The galling area fraction has positive correlation with the contact pressure during the dry sliding.
ISSN:2673-9984