Zobrazeno 1 - 10
of 53
pro vyhledávání: '"S.J. Askari"'
Publikováno v:
Advanced Materials Research. :2162-2165
Rising fuel prices coupled with environmental concerns to arrest SOx emissions is forcing organizations all over the world to adapt new protocols and fuel standards with the aim to lower the sulphur contents in the fuel to keep SOx emissions in check
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3d22723852a88abbc89d5aa9ecafd680
https://doi.org/10.4028/www.scientific.net/amr.396-398.2162
https://doi.org/10.4028/www.scientific.net/amr.396-398.2162
Autor:
S.J. Askari
Publikováno v:
Advanced Materials Research. :1439-1443
Nanocrystalline diamond (NCD) films on titanium alloys are of importance for tribology and biomedical implants. However, due to the different thermal expansion coefficients of the two materials, the complex nature of the interlayer formed during diam
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::809131bb2454b8e7c774856a9f1dde4c
https://doi.org/10.4028/www.scientific.net/amr.264-265.1439
https://doi.org/10.4028/www.scientific.net/amr.264-265.1439
Publikováno v:
Advanced Materials Research. :1021-1026
The finite element method (FEM) has been used to model high speed turning processes with orthogonal cutting conditions. In most of the situations, continuous chip formation is used to analyze the turning process due to its stability and allowing many
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c4306d41799aab4db037a4d4b069657f
https://doi.org/10.4028/www.scientific.net/amr.264-265.1021
https://doi.org/10.4028/www.scientific.net/amr.264-265.1021
Publikováno v:
Materials Characterization. 60:327-336
This study deals with the processing, microstructure, mechanical properties, electrical conductivity and wear behavior of high volume titanium carbide reinforced copper matrix composites. The microstructural study revealed that the titanium carbide p
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::523906d4220dacf093855d323c22312b
https://doi.org/10.1016/j.matchar.2008.09.014
https://doi.org/10.1016/j.matchar.2008.09.014
Autor:
S.J. Askari, Ali Imran Merchant
Publikováno v:
International Journal of Modern Physics B. 23:1725-1732
In contrast to their exceptional mechanical properties, titanium and its alloys possess poor friction and wear characteristics. Nanocrystalline diamond (NCD) films appear to be a promising solution for their tribological problem due to their smooth s
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::33fa1d0ed6d3b168b52e622d5c22bbe5
https://doi.org/10.1142/s0217979209061536
https://doi.org/10.1142/s0217979209061536
Publikováno v:
International Journal of Refractory Metals and Hard Materials. 26:485-490
Nanocrystalline diamond coated cemented carbide drills were produced by high current extended DC arc plasma CVD system using Ar/H 2 /CH 4 gas mixture. The deposited nanocrystalline diamond films were characterized with scanning electron microscopy. R
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::beaa2bbf8cf192ce3398949efcf8b6ae
https://doi.org/10.1016/j.ijrmhm.2007.11.006
https://doi.org/10.1016/j.ijrmhm.2007.11.006
Publikováno v:
Materials Research Bulletin. 43:1086-1092
Well-faceted polycrystalline diamond (PCD) films were deposited along with nanocrystalline diamond (NCD) films on the pure titanium substrate by a microwave plasma assisted chemical vapor deposition (MWPCVD) system in the environment of CH 4 and H 2
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d2e46cabfea2d3cd7ac9630cbb4d9830
https://doi.org/10.1016/j.materresbull.2007.06.010
https://doi.org/10.1016/j.materresbull.2007.06.010
Adherent and low friction nano-crystalline diamond film grown on titanium using microwave CVD plasma
Publikováno v:
Diamond and Related Materials. 17:294-299
The use of titanium alloys for aerospace and biomedical applications could increase if their tribological behavior was improved. The deposition of an adherent diamond coating can resolve this issue. However, due to the different thermal expansion coe
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::708cc0080657412c130b2650dee03225
https://doi.org/10.1016/j.diamond.2007.12.045
https://doi.org/10.1016/j.diamond.2007.12.045
Publikováno v:
Vacuum. 82:543-546
Nano-crystalline diamond (NCD) films have been grown on cemented carbide substrates by high current extended DC arc plasma process using Ar/H 2 /CH 4 gas mixture at low gas pressure. The plain view and cross section of films are characterized with sc
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c39e28efbb38719bfc3e60aed6b8aec6
https://doi.org/10.1016/j.vacuum.2007.06.005
https://doi.org/10.1016/j.vacuum.2007.06.005
Autor:
Lifu Hei, S.J. Askari, G.C. Chen, J.H. Song, Fanxiu Lu, H. Lan, F.W. Dai, Bo Li, Weizhong Tang
Publikováno v:
Journal of Crystal Growth. 309:86-92
Layered self-standing diamond films, two-, three- and four-layered films, were fabricated by varying the ratio of methane to hydrogen in high-power DC arc plasma jet CVD. Results of scanning electronic microscopy (SEM) and Raman spectra showed that t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f0261d8b2516ebbd3daf2c6790f7599e
https://doi.org/10.1016/j.jcrysgro.2007.08.033
https://doi.org/10.1016/j.jcrysgro.2007.08.033