Lubricant Film Breakdown and Material Pick-Up in Sheet Forming of Advanced High Strength Steels and Stainless Steels when Using Environmental Friendly Lubricants

Ermanno Ceron; Mikael Olsson; Nils Bay

doi:10.4028/www.scientific.net/AMR.966-967.219

Paper Titles

Mutual Effect of Groove Size and Anisotropy of Cylinder Liner Honed Textures on Engine Performances
p.175

The Role of Tool Geometry and Process Parameters during Fly Shearing in Hot Rolling of Steel
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Rheological Investigation of MIM Feedstocks for Reducing Frictional Effects during Injection Moulding
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Wear Behaviour of Al-Si and Zn Coated 22MnB5 in Hot Stamping
p.209

Lubricant Film Breakdown and Material Pick-Up in Sheet Forming of Advanced High Strength Steels and Stainless Steels when Using Environmental Friendly Lubricants
p.219

Micro-Plasto-Hydrodynamic Lubrication a Fundamental Mechanism in Cold Rolling
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Direct Evaluation of Coulomb Friction Coefficient from Sheet Strip Stretch Test on a Cylinder Surface
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Influence of Tool Steel Hard Phase Orientation and Shape on Galling
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Characterisation of Tool Coatings for Press Hardening
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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 966-967Lubricant Film Breakdown and Material Pick-Up in...

Lubricant Film Breakdown and Material Pick-Up in Sheet Forming of Advanced High Strength Steels and Stainless Steels when Using Environmental Friendly Lubricants

Abstract:

Increasing focus on environmental issues in industrial production has urged sheet metal stamping companies to look for new tribo-systems in order to substitute hazardous lubricants such as chlorinated paraffin oils. The efficiency of chlorinated paraffin is due to the fact that the lubricant reacts chemically with the tool and workpiece material forming thin films, which adhere strongly to the surfaces and reduce the tendency to metal-metal contact and material pick-up. Production tests of new, environmentally benign tribo-systems are, however, costly and laboratory tests are preferred as a preliminary simulative method to investigate alternative tribo-systems. The present paper presents a case study where an industrial process, consisting of deep drawing with two subsequent re-drawings, was selected and four potential new tribo-systems were tested including different workpiece materials, i.e. AHSSs and stainless steels. The performance of the tribo-systems was analyzed in the laboratory by means of a newly developed simulative test as well as in an industrial production process. The results obtained show a good agreement between the laboratory test and the industrial production process regarding the tribological performance, i.e. tendency to material pick-up and galling, of the evaluated tribo-systems. Moreover the SEM analysis shows that different workpiece materials result in different types of material pick-up.

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Periodical:

Advanced Materials Research (Volumes 966-967)

Pages:

219-227

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.966-967.219

Citation:

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Online since:

June 2014

Authors:

Ermanno Ceron, Mikael Olsson, Nils Bay*

Keywords:

Galling, Lubricant Film Breakdown, Sheet Metal Forming

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* - Corresponding Author

References

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