Increased Wear Resistance of Roller Bearings Using Me-C: H Coated Rollers-Reference-Cited by-同舟云学术

Increased Wear Resistance of Roller Bearings Using Me-C: H Coated Rollers

Published:2000-05-08 Issue:4 Volume:122 Page:682-688
ISSN:0742-4787
Container-title:Journal of Tribology
language:en
Short-container-title:

Author:

Olofsson Ulf¹,Sjo¨stro¨m Hans²,Sjo¨din Ulf³

Affiliation:

1. Department of Machine Design, S-100 44 Stockholm, Sweden

2. Sjo¨stro¨m Coating Consulting, Karlgustavsgatan 21 A, S-411 25 Go¨teborg, Sweden

3. Ha¨gglunds Drives AB, S-890 42 Mellansel, Sweden

Abstract

The contact surfaces in a boundary lubricated spherical roller thrust bearing can change form due to sliding and particle generated wear. These form changes can seriously reduce the fatigue life of the bearings. An experimental test series has been performed where this effect was investigated in bearings with metal mixed amorphous carbon, Me-C: H, coated rollers that were tested against bearings with standard rollers. The experimental results show that while the bearings with standard rollers can fail due to wear, the bearings with coated rollers are at the same time almost unaffected by wear. Also the number of particles generated in the contact was significantly less when using coated rollers. There were twice as many self-generated particles when using a standard bearing compared with a coated bearing. The effect of the coating is discussed in terms of surface hardness, coefficient of friction and tribochemical phenomena. [S0742-4787(00)02004-X]

Publisher

ASME International

Subject

Surfaces, Coatings and Films,Surfaces and Interfaces,Mechanical Engineering,Mechanics of Materials

Link

http://asmedigitalcollection.asme.org/tribology/article-pdf/122/4/682/5821388/682_1.pdf

Reference12 articles.

1. Olofsson, U. , 1997, “Characterization of Wear in Boundary Lubricated Spherical Roller Thrust Bearings,” Wear, 208, pp. 194–203.

2. Olofsson, U. , 1997, “Fatigue Life Reduction Due to Wear in Boundary Lubricated Spherical Roller Thrust Bearings,” Wear, 207, pp. 74–78.

3. Olofsson, U. , 1997, “An Experimental Investigation of Wear and Fatigue Life Reduction of Boundary Lubricated Spherical Roller Thrust Bearings,” Tribol. Int., 30, pp. 685–692.

4. Fitzsimmons, B., and Clevenger, H. D., 1977, “Contaminated Lubricants and Tapered Rolling Bearing Wear,” ASLE Trans., 20, pp. 97–107.

5. Olofsson, U., Bjo¨rklund, S., and Sundvall, K., 1999, “A Test System for Particle Generated Wear in Rolling/Sliding Contacts,” submitted for publication.

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