| Tribological behavior of pure and graphite-filled polyimides under atmospheric conditions.: An article from: Polymer Engineering and Science | Digitalby P. Samyn (Author), P. De Baets (Author), G. Schoukens (Author), B. Hendrickx (Author)
| List Price: | $5.95 | | | Available: | Available for download now |
| | Binding: | Digital | | Publisher: | Society of Plastics Engineers, Inc. | | Page Count: | 21 Pages | | Publication Date: | August 01, 2003 |
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Product Description
This digital document is an article from Polymer Engineering and Science, published by Society of Plastics Engineers, Inc. on August 1, 2003. The length of the article is 6135 words. The page length shown above is based on a typical 300-word page. The article is delivered in HTML format and is available in your Amazon.com Digital Locker immediately after purchase. You can view it with any web browser.From the author: As the use of common engineering plastics in tribological systems is limited to low sliding velocities and low loads because of creep and insufficient temperature resistance, there is increasing interest in application of high-performance polymers such as polyimides, characterized by their ability to maintain favorable mechanical properties up to their melting point. However, for practical design, tribotesting remains necessary for determination of the material's performance under a given contact situation. In this article, two commercially available polyimides are tested at relatively high sliding velocities and contact pressures under atmospheric conditions of temperature and humidity. A consistent overview of tendencies in friction and wear for pure polyimides as a function of applied normal loads and sliding velocities is given. Addition of 15% by weight graphite powder as internal solid lubricant strongly influences friction and wear. Its behavior is compared with pure polyimide grades and differences are discussed in relation with experimental measured bulk-temperatures. A linear temperature law is derived as a function of pv-levels and a steady-state condition is found at different temperature levels, in accordance with thermal conductivity of the polymer bulks. In case of graphite additives, a steady state in temperature coincides with the regime condition of wear rate.Citation DetailsTitle: Tribological behavior of pure and graphite-filled polyimides under atmospheric conditions.Author: P. SamynPublication: Polymer Engineering and Science (Refereed)Date: August 1, 2003Publisher: Society of Plastics Engineers, Inc.Volume: 43 Issue: 8 Page: 1477(11)Distributed by Thomson Gale |
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