کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
9679302 | 1455080 | 2005 | 6 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Thrust-washer tribological evaluation of PS304 coatings against Rene 41
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
مهندسی شیمی
شیمی کلوئیدی و سطحی
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چکیده انگلیسی
To prevent surface damage, roughening, and wear of foil bearings during startup and shutdown conditions when speeds become insufficient to provide hydrodynamic air films, plasma-sprayed solid lubricant PS304 has been used as a journal coating. With increasing demands for operational bearing temperature, Rene 41 is one candidate material that may be considered as a replacement for current Inconel X-750 foil materials. In this study, the tribological behavior of plasma-sprayed PS304 coatings, as well as potentially smoother HVOF-sprayed PS304 coatings, was characterized against Rene 41 and Inconel X-750 counterfaces in thrust-washer tests. Tribological behavior of Rene 41 against plasma- and HVOF-sprayed PS304 coatings, and uncoated 13-8 stainless steel, at 538 °C was found to be equivalent to the high-temperature behavior of Inconel X-750 against the same surfaces. Typical wear factors found for the coatings were in 1.5-3 Ã 10â4 mm3/N m range, while the coefficients of friction were generally about 0.4.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Wear - Volume 259, Issues 7â12, JulyâAugust 2005, Pages 876-881
Journal: Wear - Volume 259, Issues 7â12, JulyâAugust 2005, Pages 876-881
نویسندگان
Edin E. BaliÄ, Thierry A. Blanchet,