Zobrazeno 1 - 10 of 28 pro vyhledávání: '"Gabi Nehme"'
1
Effects of break in period on the 4-ball wear tests using molybdenum disulphide (MoSշ) as EP additives in lithium based grease
Autor: Saeed Ghalambor, Gabi Nehme, Sara El-Merhabi
Publikováno v: Agricultural Engineering. 51:16-22
The lamellar structure of MoS 2 provides very good protecting layer that can be easily sheared under the application of extreme pressures and thus enhance the antiwear performance of the chromium steel bearing aircraft grade E52100. ASTM standard 226
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::0a28e02c511ac215c2ab362cac92fa6d
https://doi.org/10.15544/ageng.2019.51.3
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2
The importance of spectrum loading in 2% milled MoS2 powder greases using four ball wear test
Autor: Gabi Nehme
Publikováno v: Industrial Lubrication and Tribology. 70:1670-1675
Purpose Loading condition and minimizing friction and wear using molybdenum disulfide grease in aircraft engine bearings are the focus of this research. The relationship between the milled and unmilled MoS2 (molybdenum disulfide) greases to its tribo
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::02ee646fa81b024d134000859154705e
https://doi.org/10.1108/ilt-03-2018-0107
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3
Tribological behavior and wear prediction of molybdenum disulfide grease lubricated rolling bearings under variable loads and speeds via experimental and statistical approach
Autor: Gabi Nehme
Publikováno v: Wear. :876-884
Proper lubricants and lubrication methods for rolling bearings are essential for providing sufficient bearing performance in high pressure applications. Main roles of molybdenum disulfide (MoS 2 ) grease lubricant in rolling bearing are reduction of
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::324128909bce13c0b02791f0880300d1
https://doi.org/10.1016/j.wear.2017.01.007
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4
Towards minimizing wear by improving antiwear additives and surface characteristics using reduced phosphorus plain ZDDP oil under boundary lubrication
Autor: Saeed Ghalambor, Gabi Nehme
Publikováno v: Industrial Lubrication and Tribology. 68:16-29
Purpose – This study aims to examine the effect of the antiwear resistance of plain zinc-dialkyldithiophosphate (ZDDP) oil in the presence of Titanium-fluoride/iron-fluoride/polytetrafluoroethylene (TiF3/FeF3/PTFE) in the time to tribofilm breakdow
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::bbb65c255135fff011987d7ea40174ff
https://doi.org/10.1108/ilt-07-2015-0109
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5
Minimizing Pain in Below Knee Amputees’ Patients Wearing Prosthetic Socket by Increasing Flexibility in Specific Relief Areas
Autor: Gabi Nehme, Antoun Chagoury, Micheline Dib Nehme, Yousef Khalife
Publikováno v: Volume 3: Biomedical and Biotechnology Engineering.
Background: Pressure distribution for transtibial amputees (TTA) patients varies at the limb socket interface according to several factors. Although socket technology is getting more advanced, the majority of researchers are still facing problems wit
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::f4a6dbc94bfc0624d0e9ed6b103eca0c
https://doi.org/10.1115/imece2018-86450
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6
Finite Element Simulation of Cracks Propagation in Rolling Contact Applications With and Without Coating Applied in Industrial Field
Autor: Gabi Nehme, Monzer Al Esber
Publikováno v: Volume 9: Mechanics of Solids, Structures, and Fluids.
The aim of this study is mainly about preventing crack initiation and propagation in rolling contact under moderate and extreme loading through coating technology using finite element simulation and design of experiment (DOE) optimization techniques.
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::70e24f70cb4fb03294ed4522d8f951b0
https://doi.org/10.1115/imece2018-86308
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7
The importance of 2 per cent PTFE/FeF3 additives in engine fully formulated oil for reducing friction and wear under boundary lubrication condition
Autor: Gabi Nehme, Saeed Ghalambor
Publikováno v: Industrial Lubrication and Tribology. 67:75-80
Purpose – This paper aims to focus on the topics of phosphorus (P) and sulfur (S) in engine oil. Very reproducible boundary lubrication tests were conducted as part of Design of Experiments software to study the behavior of fluorinated catalyst iro
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::03b8996dd016873f2f54d5c3c8bfae92
https://doi.org/10.1108/ilt-11-2013-0128
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9
Optimization of Extreme Load and Break-in Period in Plain ZDDP Oil with FeF3Catalyst Using Design of Experiment and Fundamental Study under Different Speeds
Autor: Micheline Dib, Gabi Nehme
Publikováno v: Tribology Transactions. 57:1096-1105
The mechanism of tribofilm formation and breakdown was carefully followed and studied in 0.1 P% (percentage phosphorus content) plain zinc dialkyldithiophosphate (ZDDP) oil in the presence of iron fluoride (FeF3) catalyst under extreme Hertzian conta
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::fbd51b9e3b2b9c4be7e417ec3fbbc02c
https://doi.org/10.1080/10402004.2014.931498
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10
The Importance of Variable Speeds under Extreme Pressure Loading in Molybdenum Disulfide Greases Using Four-Ball Wear Tests
Autor: Gabi Nehme
Publikováno v: Tribology Transactions. 56:977-985
There is recent concern regarding grease behavior in extreme pressure applications. The research described here is aimed at providing good friction and wear performance while optimizing rotational speeds under extreme loading conditions. A design of
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::3a01b9e8eaf869fe217f895f5620ba21
https://doi.org/10.1080/10402004.2013.816812
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