Traction curves and rheological parameters of fully formulated gear oils

被引：36

作者：

Brandao, J. A. ^{[1
]}

Meheux, M. ^{[2
]}

Seabra, J. H. O. ^{[3
]}

Ville, F. ^{[2
]}

Castro, M. J. D. ^{[4
]}

机构：

[1] Univ Porto, INEGI Inst Engn Mecan & Gestao Ind, P-4100 Oporto, Portugal

[2] Inst Natl Sci Appl Lyon INSA Lyon, Lyon, France

[3] Univ Porto FEUP, Fac Engn, Oporto, Portugal

[4] Inst Super Engn Porto ISEP, Oporto, Portugal

来源：

PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART J-JOURNAL OF ENGINEERING TRIBOLOGY | 2011年 / 225卷 / J7期

关键词：

rheology; gear oils; mineral oils; ester oils; PAO oils; EHD CONTACT; MODEL;

D O I：

10.1177/1350650111405111

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

The rheological behaviour of several fully formulated gear oils is characterized: two mineral-based oils, one poly-alpha-olefin, and three ester-based oils. Experimental traction curves were obtained on a mini-traction machine, where the selected gear oils were submitted to numerous traction tests combining several temperatures, contact loads, and rolling speeds. Having obtained the experimental data from the traction tests, it was least-squares fitted to a rheological model (elasto-viscoplastic rheological model) in order to obtain the model's governing parameters: elastic modulus and limiting shear stress and their dependence on pressure and temperature. This study presents both the traction tests results and the fitted rheological parameters, and discusses the similarities and differences between the oils, as well as the influence of the operating conditions on the behaviour of the oil.

引用

页码：577 / 593

页数：17

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