Academic literature on the topic 'Nanotribological system'

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Journal articles on the topic "Nanotribological system"

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Feng, Haochen, Ziwen Cheng, Dongxu Long, Tingting Yang, Zhibin Lu, and Qichang He. "How Do Substrates Affect the Friction on Graphene at the Nanoscale?" Lubricants 11, no. 11 (2023): 465. http://dx.doi.org/10.3390/lubricants11110465.

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Substrates supporting two-dimensional materials are omnipresent in micro/nano electromechanical systems. Moreover, substrates are indispensable to all nanotribological experimental systems. However, substrates have rarely been taken into account in first-principles simulations of nanotribological systems. In this work, we investigate the effects of substrates on nanofriction by carrying out first-principles simulations of two systems: (a) one graphene monolayer sliding on another one supported by a metal substrate, denoted as the Gr-Gr/Metal system; and (b) a diatomic tip sliding on a graphene
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Lee, Kang Kug, Bharat Bhushan, and Derek Hansford. "Nanotribological characterization of fluoropolymer thin films for biomedical micro/nanoelectromechanical system applications." Journal of Vacuum Science & Technology A: Vacuum, Surfaces, and Films 23, no. 4 (2005): 804–10. http://dx.doi.org/10.1116/1.1861939.

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Wen, Hua-Chiang, Ssu-Kuan Wu, Cheng-Wei Liu, Jin-Ji Dai, and Wu-Ching Chou. "Nanotribological Characteristics of the Al Content of AlxGa1−xN Epitaxial Films." Nanomaterials 13, no. 21 (2023): 2884. http://dx.doi.org/10.3390/nano13212884.

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The nanotribological properties of aluminum gallium nitride (AlxGa1−xN) epitaxial films grown on low-temperature-grown GaN/AlN/Si substrates were investigated using a nanoscratch system. It was confirmed that the Al compositions played an important role, which was directly influencing the strength of the bonding forces and the shear resistance. It was verified that the measured friction coefficient (μ) values of the AlxGa1−xN films from the Al compositions (where x = 0.065, 0.085, and 0.137) were in the range of 0.8, 0.5, and 0.3, respectively, for Fn = 2000 μN and 0.12, 0.9, and 0.7, respecti
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Dilawary, Shaikh Asad Ali, Amir Motallebzadeh, Muhammad Afzal, Erdem Atar, and Huseyin Cimenoglu. "Nanotribological characteristics of laser surface melted Stellite 12+Mo hardfacing." Industrial Lubrication and Tribology 72, no. 2 (2018): 233–41. http://dx.doi.org/10.1108/ilt-05-2018-0175.

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Purpose The purpose of the study is to examine the sliding wear performance of plasma transfer arc (PTA) deposited and laser surface melted (LSM) Mo modified Stellite 12 hardfacings under high contact stresses (i.e. >20 GPa). Design/methodology/approach For this purpose, after structural characterization, sliding wear tests have been conducted using sphero-conical diamond indenter as the counterface with different normal loads. The wear tracks formed on the hardfacings were examined by atomic force microscopy and scanning electron microscopy. Findings Both hardfacings showed severe wear (at
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Fang, Te Hua, and S. H. Kang. "Mechanical Property Evaluation of ZnO Thin Films Using Nanoindentation and Scanning Probe Microscope." Advanced Materials Research 55-57 (August 2008): 609–12. http://dx.doi.org/10.4028/www.scientific.net/amr.55-57.609.

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The characteristics of morphology, friction and nanotribological properties of ZnO thin films were achieved by means of x-ray diffraction, scanning probe microscopy (SPM), and nanoindentation. The ZnO thin films were deposited by a radio frequency magnetron sputtering system. Surface geometry and friction analysis were derived from atomic force microscopy/friction force microscopy (AFM/FFM). The hardness and Young’s modulus of the ZnO thin films were investigated by nanoindentation measurements with a Berkovich indenter. The films exhibited an increase in the hardness with decreasing load i.e.
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Borysiuk, Vadym, Iakov A. Lyashenko, and Valentin L. Popov. "Molecular Dynamics Study of Friction between Ag Nanoparticle and Two-Dimensional Titanium Carbide Ti2C (MXene)." Crystals 14, no. 3 (2024): 272. http://dx.doi.org/10.3390/cryst14030272.

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We report the results of atomistic simulations of friction between two-dimensional titanium carbide Ti2C (MXene) and a silver nanoparticle located on its surface. Numerical experiments were performed within classical molecular dynamics methods using a previously developed scheme for simulations of interactions between MXenes and metal nanoparticles. In the computer experiments performed, both tangential and shear forces were applied to the Ag nanoparticle to initiate its sliding on the surface of the Ti2C MXene. During the simulations, the nanotribological parameters of the studied system, suc
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Melnikova, Galina, Tatyana Kuznetsova, Vasilina Lapitskaya, et al. "Nanomechanical and Nanotribological Properties of Nanostructured Coatings of Tantalum and Its Compounds on Steel Substrates." Nanomaterials 11, no. 9 (2021): 2407. http://dx.doi.org/10.3390/nano11092407.

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The present paper addresses the problem of identification of microstructural, nanomechanical, and tribological properties of thin films of tantalum (Ta) and its compounds deposited on stainless steel substrates by direct current magnetron sputtering. The compositions of the obtained nanostructured films were determined by energy dispersive spectroscopy. Surface morphology was investigated using atomic force microscopy (AFM). The coatings were found to be homogeneous and have low roughness values (<10 nm). The values of microhardness and elastic modulus were obtained by means of nanoindentat
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Aulin, V. V., A. A. Tykhyi, O. V. Kuzyk, et al. "Justification of the effect of the regularities of the flow of nanotribological processes in the materials of joint parts on the increase of wear resistance, reliability and efficiency of the functioning of machines and mechanisms." Problems of Tribology 28, no. 4/110 (2023): 66–75. http://dx.doi.org/10.31891/2079-1372-2023-110-4-66-75.

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The article elucidates the essence of nanotribological processes in the materials of conjugation of samples of parts by the methods of the surface force apparatus, scanning tunneling and atomic force microscopy. The substantiation of the mechanisms of their occurrence is given by the methods of molecular dynamics and classical contact mechanics. Attention is paid to dry adhesive and contactless dynamic friction of conjugated samples, physical processes in "sticking-sliding" tribocontacts, adhesive effects, etc. The values of the lateral and normal forces acting on the probe were analyzed. The
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Eder, Stefan J., András Vernes, and Gerhard Betz. "On the Derjaguin Offset in Boundary-Lubricated Nanotribological Systems." Langmuir 29, no. 45 (2013): 13760–72. http://dx.doi.org/10.1021/la4026443.

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Bîrleanu, Corina, Marius Pustan, Florina Șerdean, and Violeta Merie. "AFM Nanotribomechanical Characterization of Thin Films for MEMS Applications." Micromachines 13, no. 1 (2021): 23. http://dx.doi.org/10.3390/mi13010023.

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Nanotribological studies of thin films are needed to develop a fundamental understanding of the phenomena that occur to the interface surfaces that come in contact at the micro and nanoscale and to study the interfacial phenomena that occur in microelectromechanical systems (MEMS/NEMS) and other applications. Atomic force microscopy (AFM) has been shown to be an instrument capable of investigating the nanomechanical behavior of many surfaces, including thin films. The measurements of tribo-mechanical behavior for MEMS materials are essential when it comes to designing and evaluating MEMS devic
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Dissertations / Theses on the topic "Nanotribological system"

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Стегній, Б. К. "Моделювання аперіодичного режиму плавлення/тверднення межового мастила". Master's thesis, Сумський державний університет, 2019. http://essuir.sumdu.edu.ua/handle/123456789/75490.

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Розроблено алгоритм розрахунку поведінки мультиконтактної трибо логічної системи. Розроблено програму для опису межового тертя. На основі розробленої програми досліджено особливості межового режиму тертя при різних параметрах функціонування системи.
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Lai, Yung-Tzu, and 賴泳次. "Study on Nanotribological Performance of Sliding Systems with Different Material Combination and Interactive Force Using a Static Atomic Approach." Thesis, 2003. http://ndltd.ncl.edu.tw/handle/72893747443100988354.

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碩士<br>國立中正大學<br>機械系<br>91<br>Nanotribological property of the sliding system is central to the performance of the development of nanotechnology. Therefore many efforts have been devoted to investigate tribological performance of the sliding systems at atomic scale. Molecular dynamics is the main simulation method for these studies. However, it is very time consuming due to the high time resolution smaller then at least a pico-second. Moreover, previous studies do not systematically consider the effects of material combination and interactive force. This dissertation used a stati
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Conference papers on the topic "Nanotribological system"

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Li, Xuan, and James Economy. "An Improved Nanotribological System for Hard Disk Drives." In 2008 MRS Fall Meetin. Materials Research Society, 2008. http://dx.doi.org/10.1557/proc-1139-gg05-05.

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Seror, Jasmine, Nir Kampf, Alice Maroudas, and Jacob Klein. "Nanotribological Investigation of the Role of Proteoglycans in Biolubrication." In ASME 2008 9th Biennial Conference on Engineering Systems Design and Analysis. ASMEDC, 2008. http://dx.doi.org/10.1115/esda2008-59390.

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Articular joints in human body are uniquely efficient lubrication systems. While the cartilage surfaces slide past each other under physiological working conditions (pressure of tens of atmospheres and shear rates up to 106 – 107 Hz), the friction coefficient (μ) achieves extremely low values (down to 0.001) never successfully reached by mechanical prosthetic devices. Friction studies on polymer brushes attached to surfaces have recently demonstrated (17) their ability to reduce friction between the rubbing surfaces to extremely low values by means of the hydrated ions and the charges on the p
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Neeyakorn, W., S. M. Lee, O. Parker, et al. "Nanodynamics of Vapor-Phase Organophosphates on Silicon and OTS for MEMS Lubrication Purposes." In World Tribology Congress III. ASMEDC, 2005. http://dx.doi.org/10.1115/wtc2005-63734.

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We have performed a quartz crystal microbalance (QCM) study of the nanotribological properties of organophosphate (tricresylphosphate and t-butyl phenylphosphate) layers adsorbed from the vapor phase onto silicon (amorphous silicon and MEMS-like polysilicon), and octadecyltrichlorosilane (OTS) treated silicon and gold surfaces. The latter systems have been studied in order to explore whether organophosphates and OTS in combination might prove synergistic from a tribological point of view [1]. There is a strong possibility that this combination will also exhibit synergistic tribological behavio
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Dasari, A., Z. Z. Yu, and Y. W. Mai. "Nanoscratching of Nylon-Based Ternary Nanocomposites." In ASME 2005 International Mechanical Engineering Congress and Exposition. ASMEDC, 2005. http://dx.doi.org/10.1115/imece2005-82205.

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Recent developments in miniaturization of polymeric components for microelectromechanical systems (MEMS) and nanotechnology applications require that the load applied be very small in the range of μN and nN and the contact radius in nanometers to achieve certain purposes like nanofabrication, nanomachining or nanopatterning. So, it is necessary to understand the basic nanotribological mechanisms to describe the stress fields associated with the asperities, crack initiation and growth, material removal, etc. This study reveals the nano-scale nature of intimate contacts by using atomic force mic
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