کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
1658684 | 1008358 | 2010 | 7 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Fabrication, microstructure and tribological behavior of pulsed laser deposited a-CNx/TiN multilayer films
دانلود مقاله + سفارش ترجمه
دانلود مقاله ISI انگلیسی
رایگان برای ایرانیان
کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
مهندسی مواد
فناوری نانو (نانو تکنولوژی)
پیش نمایش صفحه اول مقاله
چکیده انگلیسی
a-CNx/TiN multilayer films were deposited onto high-speed steel substrates by pulsed laser ablation of graphite and Ti target alternately in nitrogen gas. The composition, morphology and microstructure of the films were characterized by energy dispersive X-ray spectroscopy (EDS), scanning electron microscopy (SEM), X-ray diffraction (XRD) and Raman spectroscopy. The tribological properties of the films in humid air were investigated using a ball-on-disk tribometer. The multilayer films consist of crystalline TiN, metallic Ti and amorphous CNx (a-CNx). With an increase in thickness ratio of CNx to bilayer, the hardness of multilayer film decreases, friction coefficient decreases from 0.26 to 0.135, and wear rate increases. The film with thickness ratio of CNx to bilayer of 0.47 exhibits a maximum hardness of 30 GPa and excellent wear rate of 2.5 Ã 10â 7 mm3 Nâ 1 mâ 1. The formation of tribo-layer was observed at contact area of Si3N4 ball. The film undergoes the combined wear mechanism of abrasion wear and adhesion wear.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Surface and Coatings Technology - Volume 205, Issue 3, 25 October 2010, Pages 902-908
Journal: Surface and Coatings Technology - Volume 205, Issue 3, 25 October 2010, Pages 902-908
نویسندگان
X.H. Zheng, J.P. Tu, R.G. Song,