Bibliografie tematiche / Friction

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Letteratura scientifica selezionata sul tema "Friction"

Autore: Grafiati

Pubblicato: 4 giugno 2021

Ultima modifica: 25 luglio 2025

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Articoli di riviste sul tema "Friction"

Evans, Philip. "Friction on Frictions." Physiotherapy 78, no. 12 (1992): 930. http://dx.doi.org/10.1016/s0031-9406(10)60511-1.

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Zhu, Zongxiao, Hui Wang, Zixuan Qiang, et al. "Molecular Dynamics Study on Nano-Friction and Wear Mechanism of Nickel-Based Polycrystalline Superalloy Coating." Coatings 11, no. 8 (2021): 896. http://dx.doi.org/10.3390/coatings11080896.

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In this work, molecular dynamics simulations are employed to study the nanotribological process of nickel-based polycrystalline superalloy coating. A series of simulations were carried out using the method of repeated friction to explore the influence of frictional force, friction coefficient, grinding groove morphology, wear scar depth, debris flow direction, subsurface damage degree and evolution of defects during the nano-friction process. In addition, the change mechanism of different grain sizes on wear scar depth, frictional force, friction coefficient, and internal damage in the repeate

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Atirek, Gaur, Nanda Saswati, and Kumar Duchaniya Rajendra. "Tribological Effects of Graphene Oxide on Brake Friction Materials." International Journal of Engineering and Advanced Technology (IJEAT) 9, no. 5 (2020): 414–16. https://doi.org/10.35940/ijeat.E9417.069520.

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Many times in past Brake friction composites and their various combinations have been filled with graphene oxide made-up and tested many times for their tribological performance. Various changes in tribological behavior of testing materials of the frictional composites have been tested and evaluated on the setup of krauss testing machine During these testing’s a high amount of enhancement in the friction performance (μP), frictions fade (μF) and friction recovery (μR) were found with the proper addition of graphene oxide in various amounts. The changes and the decrement in the w

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Li, Jing-Ming, Hai-Jun Wei, Li-Dui Wei, Da-Ping Zhou, and Ye Qiu. "Extraction of Frictional Vibration Features with Multifractal Detrended Fluctuation Analysis and Friction State Recognition." Symmetry 12, no. 2 (2020): 272. http://dx.doi.org/10.3390/sym12020272.

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For the purpose of extracting the frictional vibration characteristics of the friction pair during friction and wear in different friction states, the friction and wear tests of friction pair in different friction states were conducted on a testing machine. Higher-dimensional fractal and multifractal characteristics hidden in time series can be examined by multifractal detrended fluctuation analysis (MFDFA) method. The frictional vibration time-domain signals, the friction coefficient signals and the frictional vibration frequency-domain signals were analyzed and multifractal spectra were acqu

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Qiao, Yu Lin, Shan Lin Yang, Yan Zang, and Xin Yu Dong. "Effects of Ultrasonic Vibration on Tribological Properties of GCr15/45^# Steel Frictional Pairs in Lubricated Sliding Conditions under Various Friction Speed." Advanced Materials Research 338 (September 2011): 599–602. http://dx.doi.org/10.4028/www.scientific.net/amr.338.599.

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The effects of friction speed and ultrasonic vibration on friction reduction and anti-wear properties of GCr15/45# steel frictional pairs under oil lubrication were investigated by a modified MFT-R4000 reciprocating friction and wear tester. The mechanism of friction reduction and anti-wear under ultrasonic vibration was discussed. The results showed that, the ultrasonic vibration could influence the friction reduction and anti-wear properties of frictional pairs due to it could reduce the stress between the friction pairs and destroy the oil film on the surface of samples. When the friction f

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Fang, Kun. "Frictional Performance of Polyphenyl Ester Modified Polytetrafluoroethylene." Materials Science Forum 1080 (January 30, 2023): 33–39. http://dx.doi.org/10.4028/p-g7gf9i.

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This paper mainly studied the coefficient of friction (COF), wear performance and frictional vibration performance of polyphenyl ester modified polytetrafluoroethylene under dry friction and water lubrication friction conditions. Polyphenyl ester modified polytetrafluoroethylene composites were prepared by blending 20% polyphenyl ester with polytetrafluoroethylene, and the COF, wear performance and frictional vibration properties of such composites were tested. The results showed that: (1) Under dry friction conditions, as the specific pressure between the friction pairs increased, the volume

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Wang, Tian Guo, X. Y. Liu, and J. J. Hua. "Investigation on the Fabrication and Properties of the Cu Base Friction Composites." Materials Science Forum 984 (April 2020): 125–30. http://dx.doi.org/10.4028/www.scientific.net/msf.984.125.

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Cu-based friction materials were prepared by powder metallurgy technology. The effect of Fe content on friction and wear properties of Cu-based friction materials has been investigated. The results indicate that Fe content has great effects on the wear ability of Cu-based friction materials. Fe works as frictional component in copper-based friction materials, influening the mechanical and frictional property of materials. With increasing Fe content, the hardness and friction coefficient of Cu-based friction materials stability increase, the wear rate of the friction materials decreases. When F

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Zhang, Zijian, Guangwu Zhou, Peng Li, Luole Du, and Min He. "Research on the Vibration Behavior of Ring–Block Friction Pair Made of Materials of Water-Lubricated Rubber Bearing under Special Operating Conditions." Applied Sciences 13, no. 13 (2023): 7676. http://dx.doi.org/10.3390/app13137676.

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A water-lubricated rubber bearing (WLRB) is prone to generate frictional vibration noise under special operating conditions, which seriously affects the acoustic stealth performance of warships and threatens their navigation safety. Meanwhile, the main factor affecting the frictional vibration behavior of a WLRB is the materials of the friction pair. Therefore, this work selects a friction pair composed of a copper ring and a rubber block as the research object and studies the frictional vibration behavior of the ring–block friction pair under low-speed and starting conditions. The real fricti

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Fang, Shanglong, Wei Xiao, Kewen Chen, and Xuding Song. "Research on the Model for the Friction Coefficient of Resin-Based Friction Material and Its Experimental Verification." Materials 16, no. 13 (2023): 4791. http://dx.doi.org/10.3390/ma16134791.

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Resin-based friction materials have been widely used in the friction braking of automobiles and power machinery. Based on experiments for the variation law of friction and wear morphology, a new model for the friction coefficient of resin-based friction materials was proposed, which includes the effects of both the micro convex body on the surface of the friction material and the frictional film generated during the friction process. This quantitative model of friction coefficient materials was established for the modelling of shear strength, compressive strength, shear strength of the frictio

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ANDERSON, KEN, and MARIA CURY. "Friction into Traction: A Case Study of Frictions in Strategic Ethnography." Ethnographic Praxis in Industry Conference Proceedings 2023, no. 1 (2023): 346–68. https://doi.org/10.1111/epic.12173.

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This case study highlights the transformative power of strategic ethnography in shaping frameworks that gain traction within organizations, facilitated by three frictions: research friction, analysis friction, and path‐to‐action friction. By embracing frictions as productive movements, we not only witnessed the profound impact of ethnographic research on the future of a product category but also experienced the convergence of previously competing divisions, fostering innovation, collaboration, and organizational growth. Through an analysis of these frictions, we distill lessons for applied eth

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Tesi sul tema "Friction"

Ledezma, Rodríguez Javier Andre. "Technology progress, credit market frictions and labor market friction." Tesis, Universidad de Chile, 2014. http://www.repositorio.uchile.cl/handle/2250/117059.

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Magíster en Economía Aplicada<br>Este trabajo modela la interacción entre progreso tecnológico (PT), fricciones en el mercado laboral y fricciones en el mercado del crédito, con el objetivo de estudiar cómo la respuesta del mercado laboral frente al aumento del PT se encuentra mediada por el grado de desarrollo del mercado del crédito. La hipótesis principal apunta al hecho que economías con fricciones en el mercado del crédito responden de manera diferente al PT que aquellas economías sin fricciones en dicho mercado, lo que determinaría finalmente el efecto sobre el mercado laboral. Acemoglu

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Stratton, Daryl A. "Characterizing the Frictional Interface in Friction Stir Welding." Diss., CLICK HERE for online access, 2007. http://contentdm.lib.byu.edu/ETD/image/etd1757.pdf.

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Omam, Alan Frederic. "Internal friction." Bachelor's thesis, Alma Mater Studiorum - Università di Bologna, 2020.

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The phenomenon of internal friction most generally defined as the dissipation of mechanical energy inside a gaseous, liquid or solid medium. It is basically different from “friction” in the tribological sense, i.e., the resistance against the motion of two solid surfaces relative to each other (“external friction”).

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Roa, Julio Alberto. "Evaluation of International Friction Index and High-Friction Surfaces." Thesis, Virginia Tech, 2008. http://hdl.handle.net/10919/36277.

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State highway agencies have an obligation to provide users with optimal surface conditions under various weather conditions throughout the year. A satisfactory pavement surface should exhibit good friction and texture depth to reduce roadway highway accidents. This is why friction is starting to receive increased attention in the pavement management process. There have been numerous research efforts by different countries and agencies to better understand the behavior of different friction testing devices and the influence of texture, speed, and other external conditions on their measurement

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Hu, Yuan. "Friction-Stir Riveting: Mechanical Testing of Friction-Stir Riveting." University of Toledo / OhioLINK, 2015. http://rave.ohiolink.edu/etdc/view?acc_num=toledo1430393133.

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REDDA, BOYNA ROHITH. "IMPACT OF FRICTION TEST SCALE ON BRAKE FRICTION PERFORMANCE." OpenSIUC, 2016. https://opensiuc.lib.siu.edu/theses/2051.

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It is well known that the friction performance is a system property. The coefficient of friction and its stability, wear rate and the propensity to vibration and noise are always characteristics of a system and it is not easy to predict their performance based on smaller scale friction tests. This paper discusses the relation between performances of different-scale testers and possibility to model the friction performance of real systems in small simpler testers. It addressed the application of “scaling laws,” the application of typically adopted scaling strategies in friction industry and the

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Kietzig, Anne-Marie. "Microscopic ice friction." Thesis, University of British Columbia, 2010. http://hdl.handle.net/2429/23322.

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Microscopic ice friction was studied systematically across all to ice friction relevant friction regimes using several metallic interfaces. A rheometer with a newly designed fixture for friction measurements was used in these studies. The investigations focus on the influence of material properties, such as surface wettability, roughness, surface structure, surface nanopatterning, and thermal conductivity. Using a femtosecond laser process certain dual scale roughness structures were created to mimic the lotus leaf on the surface of inherently hydrophilic metal alloys. After laser irradiation

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Chou, Danielle 1981. "Dahl friction modeling." Thesis, Massachusetts Institute of Technology, 2004. http://hdl.handle.net/1721.1/32826.

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Thesis (S.B.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 2004.<br>Includes bibliographical references (p. 22).<br>The drive behind improved friction models has been better prediction and control of dynamic systems. The earliest model was of classical Coulomb friction; however, the discontinuity during force reversal of the Coulomb friction model has long been a point of contention since such a discontinuity does not accurately portray the behavior of real systems. Other models have been suggested, but variations of the Dahl solid friction model remain some of the

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Gerde, Eric Stendahl. "Fracture and friction /." Full text (PDF) from UMI/Dissertation Abstracts International, 2001. http://wwwlib.umi.com/cr/utexas/fullcit?p3008334.

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Quignon, Benoit. "Investigations of the frictional behaviour of nanotextured surfaces by friction force microscopy." Thesis, University of Bristol, 2015. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.685551.

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Friction is omnipresent in our daily life, and although this phenomenon has been studied for centuries, the fundamental understanding on tribological processes as a whole is still lacking. Reducing friction is beneficial in many applications, from mediating wear to improving the life span of devices, hence improving our knowledge of the parameters affecting frictional forces is of paramount importance. In particular, the miniaturisation of modern devices implies that their reliability and durability become friction limited. Recent advances in the fabrication of nanostructured surfaces with tun

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Libri sul tema "Friction"

Hunter, Samantha. Friction. Harlequin, 2010.

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Frank, E. R. Friction. Atheneum Books for Young Readers, 2003.

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Mullins, Matt. Friction. Children's Press, 2012.

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Bateman, Claire. Friction. Eighth Mountain Press, 1998.

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Hewitt, Sally. Friction. Stargazer Books, 2007.

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E, Fitz Ezra, ed. Friction. Dalkey Archive Press, 2010.

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Spilsbury, Louise. Friction. Evans, 2007.

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Persson, Bo N. J. Sliding Friction. Springer Berlin Heidelberg, 2000. http://dx.doi.org/10.1007/978-3-662-04283-0.

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Besdo, Dieter, Bodo Heimann, Manfred Klüppel, Matthias Kröger, Peter Wriggers, and Udo Nackenhorst, eds. Elastomere Friction. Springer Berlin Heidelberg, 2010. http://dx.doi.org/10.1007/978-3-642-10657-6.

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Yilbas, Bekir Sami, and Ahmet Z. Sahin. Friction Welding. Springer Berlin Heidelberg, 2014. http://dx.doi.org/10.1007/978-3-642-54607-5.

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Capitoli di libri sul tema "Friction"

Ghiotti, Andrea. "Friction." In CIRP Encyclopedia of Production Engineering. Springer Berlin Heidelberg, 2016. http://dx.doi.org/10.1007/978-3-642-35950-7_16825-1.

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Arnell, R. D., P. B. Davies, J. Halling, and T. L. Whomes. "Friction." In Tribology. Macmillan Education UK, 1991. http://dx.doi.org/10.1007/978-1-349-21387-0_2.

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Muvdi, Bichara B., Amir W. Al-Khafaji, and J. W. McNabb. "Friction." In Statics for Engineers. Springer New York, 1997. http://dx.doi.org/10.1007/978-1-4612-1922-4_9.

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Arnell, R. D., P. B. Davies, J. Halling, and T. L. Whomes. "Friction." In Tribology. Springer New York, 1991. http://dx.doi.org/10.1007/978-1-4684-8974-3_2.

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Matsuo, Yoshihiro, Daryl D. Clarke, and Shinichi Ozeki. "Friction." In Phenolic Resins: A Century of Progress. Springer Berlin Heidelberg, 2010. http://dx.doi.org/10.1007/978-3-642-04714-5_14.

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Straffelini, Giovanni. "Friction." In Springer Tracts in Mechanical Engineering. Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-05894-8_2.

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Dickson, Peter. "Friction." In Non-Shock Initiation of Explosives. Springer Berlin Heidelberg, 2009. http://dx.doi.org/10.1007/978-3-540-87953-4_9.

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Emri, Igor, and Arkady Voloshin. "Friction." In Statics. Springer New York, 2016. http://dx.doi.org/10.1007/978-1-4939-2101-0_12.

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"Front Matter." In Friction. Princeton University Press, 2011. http://dx.doi.org/10.2307/j.ctt7s1xk.1.

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"Natural Universals and the Global Scale." In Friction. Princeton University Press, 2011. http://dx.doi.org/10.2307/j.ctt7s1xk.10.

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Atti di convegni sul tema "Friction"

Shu, Anton, Wieland Bertleff, Ferdinand Elhardt, et al. "Friction in Space – Analysis of Robotic Joint Friction in Space Conditions." In 2025 IEEE Aerospace Conference. IEEE, 2025. https://doi.org/10.1109/aero63441.2025.11068560.

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Xu, Y., and K. L. Yung. "Forms of Static Friction, Sliding Friction and Rolling Friction." In World Tribology Congress III. ASMEDC, 2005. http://dx.doi.org/10.1115/wtc2005-64050.

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Although, it seems that the concepts of static friction, sliding friction and rolling friction are common knowledges, their real sources are ironically not so clear. Inappropriate descriptions of them may have hampered the theoretical analyses and calculations of the frictions and deterred their applications in real world. In this paper, we are proposing a new method to model the static friction, sliding friction and rolling friction by three mechanical elements: spring, translatory damper and rotary damper respectively. It is shown that proper descriptions of the frictions, e.g. rolling frict

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Vaccaro, R. J. "Friction compensation without a friction model." In 2012 American Control Conference - ACC 2012. IEEE, 2012. http://dx.doi.org/10.1109/acc.2012.6315497.

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Li, J., F. Lu, P. Zhao, R. Chen, and Y. Lin. "Impact friction test for friction materials." In DYMAT 2009 - 9th International Conferences on the Mechanical and Physical Behaviour of Materials under Dynamic Loading. EDP Sciences, 2009. http://dx.doi.org/10.1051/dymat/2009033.

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KAZACHKOV, A., YU POPKOV, E. SAVCHENKO, L. DIMITROVA, and I. ANIKEEVA. "SCIENCE FRICTION." In Proceedings of the International Conference on Physics Education in Cultural Contexts. WORLD SCIENTIFIC, 2004. http://dx.doi.org/10.1142/9789812702890_0045.

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Goguey, Alix, Deepak Ranjan Sahoo, Simon Robinson, Jennifer Pearson, and Matt Jones. "Pulp Friction." In CHI '19: CHI Conference on Human Factors in Computing Systems. ACM, 2019. http://dx.doi.org/10.1145/3290605.3300871.

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Mejtoft, Thomas, Sarah Hale, and Ulrik Söderström. "Design Friction." In ECCE 2019: 31st European Conference on Cognitive Ergonomics. ACM, 2019. http://dx.doi.org/10.1145/3335082.3335106.

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Papadopoulos, Despina, Otto von Busch, Erik Sandelin, and Magnus Torstensson. "Science friction." In the 2004 conference. ACM Press, 2004. http://dx.doi.org/10.1145/1013115.1013183.

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MELIKIDZE, AKAKII. "QUANTUM FRICTION." In Proceedings of the XVIII Lisbon Autumn School. WORLD SCIENTIFIC, 2001. http://dx.doi.org/10.1142/9789812811455_0019.

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Tucker, Kristen M., and Paul M. McElfresh. "Could Emulsified Friction Reducers Prevent Robust Friction Reduction?" In SPE International Symposium and Exhibition on Formation Damage Control. Society of Petroleum Engineers, 2014. http://dx.doi.org/10.2118/168115-ms.

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Rapporti di organizzazioni sul tema "Friction"

Henein, N. A. Instantaneous engine frictional torque, its components and piston assembly friction. Edited by F. A. Nichols. Office of Scientific and Technical Information (OSTI), 1992. http://dx.doi.org/10.2172/6857779.

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Blau, P. J. Friction microprobe investigation of particle layer effects on sliding friction. Office of Scientific and Technical Information (OSTI), 1993. http://dx.doi.org/10.2172/7188137.

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Lever, James, Susan Taylor, Garrett Hoch, and Charles Daghlian. Evidence that abrasion can govern snow kinetic friction. Engineer Research and Development Center (U.S.), 2021. http://dx.doi.org/10.21079/11681/42646.

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The long-accepted theory to explain why snow is slippery postulates self-lubrication: frictional heat from sliding melts and thereby lubricates the contacting snow grains. We recently published micro-scale interface observations that contradicted this explanation: contacting snow grains abraded and did not melt under a polyethylene slider, despite low friction values. Here we provide additional observational and theoretical evidence that abrasion can govern snow kinetic friction. We obtained coordinated infrared, visible-light and scanning-electron micrographs that confirm that the evolving sh

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Armstrong, Steven E. Fratricide: Fact or Friction? Defense Technical Information Center, 1999. http://dx.doi.org/10.21236/ada370683.

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Marks, Laurence D. Friction in Full View. Defense Technical Information Center, 2010. http://dx.doi.org/10.21236/ada523369.

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Kalinina, Elena, and Lucas Lujan. Friction Experiment Data Analysis. Office of Scientific and Technical Information (OSTI), 2023. http://dx.doi.org/10.2172/2432067.

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Jewsbury, P. The WAFTER (Wear and Friction Tester): A Versatile Wear and Friction Tester. Defense Technical Information Center, 1987. http://dx.doi.org/10.21236/ada187596.

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Nichols, F. A., and N. A. Henein. Instantaneous engine frictional torque, its components and piston assembly friction. Final report. Office of Scientific and Technical Information (OSTI), 1992. http://dx.doi.org/10.2172/10146148.

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Fabio Morales, Leonardo, Eleonora Dávalos, and Raquel Zapata. Estimating Vacancy Stocks from Aggregated Data on Hires: A Methodology to Study Frictions in the Labor Market. Banco de la República de Colombia, 2023. http://dx.doi.org/10.32468/be.1228.

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We develop a methodology that recovers an estimate of the average stock of vacancies using the information on aggregated hires. We show that our prediction of the vacancy stock is unbiased, and it captures well the level and the dynamics of the United States job opening positions reported in the Job Openings and Labor Turnover Survey. We use the methodology to predict vacancies in Colombia for formal and informal salaried workers; together with unemployment, we estimate Beveridge curves and matching functions by occupations, which allows us to study the nature of the efficiency, frictions, and

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Manley, Paul R. Chaos, Clausewwitz, Friction and Command. Defense Technical Information Center, 1998. http://dx.doi.org/10.21236/ada442708.

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