Tribological Properties and Gear Performance of Polyoxymethylene Composites-Reference-Cited by-同舟云学术

Tribological Properties and Gear Performance of Polyoxymethylene Composites

Published:2000-03-01 Issue:4 Volume:122 Page:809-814
ISSN:0742-4787
Container-title:Journal of Tribology
language:en
Short-container-title:

Author:

Kurokawa Masaya¹,Uchiyama Yoshitaka²,Nagai Susumu³

Affiliation:

1. Graduate School of Natural Science and Technology, Kanazawa University, 40-20, Kodatsuno 2-chome, Kanazawa-shi, Ishikawa 920-8667, Japan

2. Department of Mechanical Systems Engineering, Kanazawa University, 40-20, Kodatsuno 2-chome, Kanazawa-shi, Ishikawa 920-8667, Japan

3. Tribosystem Laboratory Starlite Co. Ltd., 1-1-71 Tokuan, Tsurumi-ku, Osaka 538-0034, Japan

Abstract

Tribological properties of polyoxymethylene (POM) composites containing a trace amount of silicon carbide (SiC) and/or calcium salt of octacosanoic acid (Ca-OCA) as well as containing polytetrafluoroethylene (PTFE) were investigated by means of a pin-on-disk type wear apparatus. The spherulite size of POM composites was measured using a polarizing microscope. Mechanical properties and gear performance of the composites were also evaluated. It was found that the coefficient of friction was drastically lowered due to the lubricant effect of Ca-OCA added to POM/SiC composites. Further, the wear rate was also decreased by the nucleating effect of SiC and Ca-OCA. Especially, POM/SiC(0.1)/Ca-OCA(1) composite containing SiC 0.1 wt.% and Ca-OCA 1 wt.% showed the coefficient of friction as low as that of POM/PTFE(24) composite containing PTFE 24 wt.%, keeping higher wear resistance. Also, its mechanical properties were found to be the same level as those of unfilled POM, except that its izod impact strength became higher than that of unfilled POM. Furthermore, its gear performance was confirmed to be satisfactory without generating noise under the dry running condition, when the same gears were combined below 13 MPa of bending stress. [S0742-4787(00)00304-0]

Publisher

ASME International

Subject

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

Link

http://asmedigitalcollection.asme.org/tribology/article-pdf/122/4/809/5821052/809_1.pdf

Reference10 articles.

1. Bahadur, S., and Gong, D., 1993, “The Investigation of the Action of Fillers by XPS Studies of the Transfer Films of PEEK and Its Composites Containing CuS and CuF2,” Wear, 160, p. 131131.

2. Bahadur, S., and Polineni, V., 1996, “Tribological Studies of Glass Fabricreinforced Polyamide Composites Filled with CuO and PTFE,” Wear, 200, p. 9595.

3. Yu, L., and Bahadur, S., 1998, “An Investigation of the Transfer Film Characteristics and the Tribological Behaviors of Polyphenylene Sulfide Composites in Sliding against Tool Steel,” Wear, 214, p. 245245.

4. Wang, Q., Xue, Q., and Shen, W., 1997, “The Friction and Wear Properties of Nanometre SiO2 Filled Polyetheretherketone,” Tribol. Int., 30, p. 193193.

5. Wang, Q., Xu, J., Shen, W., and Xue, Q., 1997, “The Effect of Nanometer SiC Filler on the Tribological Behavior of PEEK,” Wear, 209, p. 316316.

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