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Anglický jazyk
Spectroscopic Investigations of MoO3/CuO Nanocomposites
Autor: Dola Sundeep
Nanocomposites extended a wide area of research in Engineering and allied sectors. Molybdenum is an important element used in tribology. For lubrication applications, most of lamellar/layered solid lubricants fail in open air and high temperatures above... Viac o knihe
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O knihe
Nanocomposites extended a wide area of research in Engineering and allied sectors. Molybdenum is an important element used in tribology. For lubrication applications, most of lamellar/layered solid lubricants fail in open air and high temperatures above 773 K, as they turn into oxides. Mixed Oxide such as MoO3- CuO alloy or composite can provide enhanced frictional performance at different high temperatures. In the present book, we synthesized MoO3-CuO composite nanopowders at low cost by mechanical milling and characterized by XRD, SEM with EDS, FT-IR, Raman spectroscopy and TGA/DTA. X-Ray diffraction pattern demonstrates the peaks correspond to orthorhombic phase of a-MoO3 and Monoclinic phase of ß-CuO. The average crystalline sizes of the two samples were found to be in 16 and 24nm. Thermogravimetry analysis and Differential Thermal Analysis (DTA) of MoO3-CuO revealed that the dual phase mixed oxide is stable up to 982 K with a negligible weight loss. Hence the synthesized mixed lubricous oxide nanocomposite powders can be used as a solid lubricant at elevated temperatures.
- Vydavateľstvo: SPS
- Rok vydania: 2016
- Formát: Paperback
- Rozmer: 220 x 150 mm
- Jazyk: Anglický jazyk
- ISBN: 9783639864397
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