| Issue |
Matériaux & Techniques
Volume 81, Number 1-2-3, 1993
|
|
|---|---|---|
| Page(s) | 83 - 87 | |
| DOI | https://doi.org/10.1051/mattech/199381010083 | |
| Published online | 19 April 2017 | |
Le frottement des tôles revêtues de zinc
Etude du frottement sur différents matériaux et application à la métallurgie des outils d'emboutissage
Friction of zinc-coated sheets on various materials. Application to the metallurgy of drawing tools:
1 PSA, R et D Métallurgie
2 Sollac - R et D Tribologie
Abstract
OF DRAWING TOOLS: The build up tendency of zinc on drawing tools was examined for a galvanized sheet and several tool materials: gray irons (as cast, flame or induction hardened, chrome plated), steels (carbon steel, cold working steel, plated steel with TiN or hard carbon), hard bronze.
The pick up of zinc on the tool is not related to the friction coefficient. It depends on the tool roughness, material and treatement. When the tool is polished (Ra <0.5 μ), good results are obtained with chrome plated gray iron (better than flame hardened), hard bronze and by plated steels. Hard carbon gives the lower friction coefficient of all tested tool materials.
© SIRPE 1993
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