کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
11263370 | 1701248 | 2019 | 30 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Preparation and tribological properties of WS2 and WS2/TiO2 nanoparticles
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
مهندسی شیمی
شیمی کلوئیدی و سطحی
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چکیده انگلیسی
A method was developed to prepare WS2 and WS2/TiO2 nanoparticles. A blue tungsten oxide precursor was synthesized from Na2WO4, CH3CSNH2, and HCl. WS2 nanoplatelets was produced after sulfurizing the precursor at 300â¯Â°C. Nano-TiO2 could be activated by HCl and provide active sites for the deposition of the precursor to produce WS2/TiO2 nanoparticles after sulfurization. The as-prepared two nano-additives slightly affected the friction reduction of diisooctyl sebacate (DOS), but they, especially WS2/TiO2, remarkably improved the wear resistance of DOS. Compared with the pure DOS, the 0.75% WS2/TiO2-containing DOS decreased the wear volume by â¼81%. The anti-wear performance of WS2/TiO2 is ascribed to the formation of a lubricating film and the synergistic lubrication effect of WS2 and TiO2.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Tribology International - Volume 130, February 2019, Pages 308-316
Journal: Tribology International - Volume 130, February 2019, Pages 308-316
نویسندگان
Ziyan Lu, Zhenzhen Cao, Enzhu Hu, Kunhong Hu, Xianguo Hu,