کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
4986090 | 1454796 | 2017 | 44 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Novel polymer grease microstructure and its proposed lubrication mechanism in rolling/sliding contacts
ترجمه فارسی عنوان
ریزساختار گریس پلیمری و مکانیزم روانکاری آن در تماسهای نورد / کشویی
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
مهندسی شیمی
شیمی کلوئیدی و سطحی
چکیده انگلیسی
A novel polymer grease micro-structure is revealed using scanning electron microscopy (SEM), cryogenic scanning electron microscopy (cryo-SEM) and transmission electron microscopy (TEM). The structure consists of amorphous polypropylene nano-particles uniformly distributed in the base oil. This novel microstructure has never been documented before. Rheology shows that there is no irreversible shear-thinning. The grease shows excellent stability and flow behaviours. In the absence of crystallization and a network thickener structure, it has a potential for use at extremely low start-up temperatures. Spherical roller bearing (SRB) testing shows excellent lubricating performance and the potential for lowering friction in comparison with benchmark greases. It is hypothesized that the grease behaves as a highly stable nano-fluid allowing abundant oil replenishment into the rolling contact, whereby nanoparticles are released with the base oil in the contact.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Tribology International - Volume 110, June 2017, Pages 278-290
Journal: Tribology International - Volume 110, June 2017, Pages 278-290
نویسندگان
D. Muller, C. Matta, R. Thijssen, M.N. bin Yusof, M.C.P. van Eijk, S. Chatra,