Experimental determination of the spatial scale governing dry friction force of a steel specimen

2008 ◽  
Vol 11 (3-4) ◽  
pp. 149-152 ◽  
Author(s):  
V.L. Popov ◽  
J. Starcevic ◽  
A.E. Filippov
Keyword(s):  
Experimental Determination ◽  
Spatial Scale ◽  
Friction Force ◽  
Dry Friction ◽  
Steel Specimen

Tribology research of the turned zirconium-dioxide ceramics

2012 ◽  
Vol 3 (3) ◽  
pp. 181-190
Author(s):  
G. Fledrich ◽  
R. Keresztes ◽  
L. Zsidai
Keyword(s):  
Friction Coefficient ◽  
Friction Force ◽  
Dry Friction ◽  
Zirconium Dioxide ◽  
Steel Specimen ◽  
Friction Condition ◽  
Normal Direction ◽  
Basic Material ◽  
Series Production ◽  
Ceramic Specimen

The zirconium dioxide as basic material is suitable to machine by tool with regular edge derivingfrom lower ceramic hardness and from other characteristics so in case of piece production or small – andmedium series production, at quick prototype production can become potential material alike. The aims tocompare the arising frictional characteristics in case of dry friction condition in case of ceramic – steelsurface pairs machined with different sets. We have developed for an equipment to carry out tribologicaltests. During the test we pressure the steel counter face with determined normal direction force thecasing surface of the rotating ceramic specimen and in the meantime we measure the value of the frictionforce with force meter cell. We have calculated the friction coefficient characterizing the system from thenormal direction force and the friction force as well as we measured the wear of the steel specimen andits deformation.

Determination of Contact Area During Small-Scale Friction Experiments by Means of Continuous Stiffness Measurements

2005 ◽  
Author(s):  
Andrei Rar ◽  
Yehuda Y. Braiman ◽  
Warren C. Oliver ◽  
David L. Goldsby ◽  
Terry E. Tullis ◽  
...  
Keyword(s):  
Linear Relationship ◽  
Friction Force ◽  
Direct Measurement ◽  
Contact Area ◽  
Dry Friction ◽  
Contact Stiffness ◽  
Small Scale ◽  
New Approach ◽  
Active Research

Despite the hallmark observation of the almost linear relationship between friction force and contact area in the case of “dry” friction, the direct measurement of this dependency is an area of active research [1, 2]. In this study, a new approach to the measurement of contact area during friction experiments is proposed. The method is based on the well known proportionality between the contact area and the contact stiffness raised to the second power [3]. The main benefit of the proposed method is its broad applicability. Preliminary measurements of the dependence between friction and contact area are discussed.

Experimental determination of a state equation for dissipative granular gases

1999 ◽  
Vol 96 (6) ◽  
pp. 1111-1116 ◽  
Author(s):  
E. Falcon ◽  
S. Fauve ◽  
C. Laroche
Keyword(s):  
Experimental Determination ◽  
State Equation ◽  
Granular Gases
Sign in / Sign up

Export Citation Format

Share Document