International round robin test of environmentally benign lubricants for cold forging

S. Volz; J. Launhardt; N. Bay; C. Hu; P. Moreau; L. Dubar; C. Nielsen; K. Hayakawa; K. Kitamura; P. Groche

doi:10.1016/j.cirp.2023.03.019

International round robin test of environmentally benign lubricants for cold forging

S. Volz, J. Launhardt, N. Bay, C. Hu, P. Moreau, L. Dubar, C. Nielsen, K. Hayakawa, K. Kitamura, P. Groche^*

^*Corresponding author for this work

Research output: Contribution to journal › Journal article › Research › peer-review

Abstract

The use of lubricants without conversion layers is a global target of the cold forging industry. Compared to conventional lubricant systems based on zinc phosphate coatings, these fluctuate more in their tribological properties. In a worldwide round robin test, thirteen different lubricants were compared in tests with six different tribometers. The results show significant differences in friction coefficients both between different lubricants and between tribometers. A multiple regression model describing the dependence of the coefficient of friction on tribological loads allows for a consistent merging of the data. The model is successfully validated by a full-forward extrusion process.

Original language	English
Journal	CIRP Annals - Manufacturing Technology
Volume	72
Issue number	1
Pages (from-to)	245-250
ISSN	0007-8506
DOIs	https://doi.org/10.1016/j.cirp.2023.03.019
Publication status	Published - 2023

Keywords

Cold forming
Friction
Tribology

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title = "International round robin test of environmentally benign lubricants for cold forging",

abstract = "The use of lubricants without conversion layers is a global target of the cold forging industry. Compared to conventional lubricant systems based on zinc phosphate coatings, these fluctuate more in their tribological properties. In a worldwide round robin test, thirteen different lubricants were compared in tests with six different tribometers. The results show significant differences in friction coefficients both between different lubricants and between tribometers. A multiple regression model describing the dependence of the coefficient of friction on tribological loads allows for a consistent merging of the data. The model is successfully validated by a full-forward extrusion process.",

keywords = "Cold forming, Friction, Tribology",

author = "S. Volz and J. Launhardt and N. Bay and C. Hu and P. Moreau and L. Dubar and C. Nielsen and K. Hayakawa and K. Kitamura and P. Groche",

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T1 - International round robin test of environmentally benign lubricants for cold forging

AU - Volz, S.

AU - Launhardt, J.

AU - Bay, N.

AU - Hu, C.

AU - Moreau, P.

AU - Dubar, L.

AU - Nielsen, C.

AU - Hayakawa, K.

AU - Kitamura, K.

AU - Groche, P.

PY - 2023

Y1 - 2023

N2 - The use of lubricants without conversion layers is a global target of the cold forging industry. Compared to conventional lubricant systems based on zinc phosphate coatings, these fluctuate more in their tribological properties. In a worldwide round robin test, thirteen different lubricants were compared in tests with six different tribometers. The results show significant differences in friction coefficients both between different lubricants and between tribometers. A multiple regression model describing the dependence of the coefficient of friction on tribological loads allows for a consistent merging of the data. The model is successfully validated by a full-forward extrusion process.

AB - The use of lubricants without conversion layers is a global target of the cold forging industry. Compared to conventional lubricant systems based on zinc phosphate coatings, these fluctuate more in their tribological properties. In a worldwide round robin test, thirteen different lubricants were compared in tests with six different tribometers. The results show significant differences in friction coefficients both between different lubricants and between tribometers. A multiple regression model describing the dependence of the coefficient of friction on tribological loads allows for a consistent merging of the data. The model is successfully validated by a full-forward extrusion process.

KW - Cold forming

KW - Friction

KW - Tribology

U2 - 10.1016/j.cirp.2023.03.019

DO - 10.1016/j.cirp.2023.03.019

M3 - Journal article

SN - 0007-8506

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EP - 250

JO - CIRP Annals - Manufacturing Technology

JF - CIRP Annals - Manufacturing Technology

IS - 1

ER -

International round robin test of environmentally benign lubricants for cold forging

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