Skip to main content
OSTI.GOVU.S. Department of Energy Office of Scientific and Technical Information
U.S. Department of Energy
Office of Scientific and Technical Information
 

A rolling-sliding bench test for investigating rear axle lubrication

Journal Article · · Tribology International
 [1];  [1];  [2];  [2];  [1];  [1]
  1. Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States). Materials Science and Technology Division
  2. General Motors, Detroit, MI (United States)
+ Show Author Affiliations
An automotive rear axle is composed of a set of hypoid gears, whose contact surfaces experience a complex combination of rolling contact fatigue damage and sliding wear. Full-scale rear axle dynamometer tests are used in the industry for efficiency and durability assessment. Here, this study developed a bench-scale rolling-sliding test protocol by simulating the contact pressure, oil temperature, and lubrication regime experienced in a dynamometer duty cycle test. Initial bench results have demonstrated the ability of generating both rolling contact-induced micropitting and sliding wear and the feasibility of investigating the impact of slide-to-roll ratio, surface roughness, test duration, and oil temperature on the friction behavior, vibration noise, and surface damage. Finally, this bench test will allow studying candidate rear axle lubricants and materials under relevant conditions.
Research Organization:
Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)
Sponsoring Organization:
USDOE; USDOE Office of Energy Efficiency and Renewable Energy (EERE), Vehicle Technologies Office (EE-3V)
Grant/Contract Number:
AC05-00OR22725
OSTI ID:
1422988
Alternate ID(s):
OSTI ID: 1575846
Journal Information:
Tribology International, Journal Name: Tribology International Journal Issue: C Vol. 121; ISSN 0301-679X
Publisher:
ElsevierCopyright Statement
Country of Publication:
United States
Language:
English

Figures / Tables (16)

Fig. 1(p. 2)figure Fig. 1
Fig. 2(p. 2)figure Fig. 2
Table 1(p. 2)table Table 1
Fig. 3(p. 4)figure Fig. 3
Fig. 4(p. 5)figure Fig. 4
Table 2(p. 5)table Table 2
Fig. 5(p. 6)figure Fig. 5
Fig. 6(p. 6)figure Fig. 6
Fig. 7(p. 7)figure Fig. 7
Fig. 8(p. 7)figure Fig. 8
Fig. 10(p. 8)figure Fig. 10
Fig. 9(p. 8)figure Fig. 9
Table 3(p. 8)table Table 3
Fig. 11(p. 9)figure Fig. 11
Fig. 12(p. 9)figure Fig. 12
Fig. 13(p. 9)figure Fig. 13

Similar Records

Related Subjects

42 ENGINEERING
Contact fatigue
Hypoid gear
Lubrication
Rear axle