Results 251 to 260 of about 424,793 (298)

Frictional Behavior in Metalworking Processes

Journal of Lubrication Technology, 1970
Frictional behavior in metalworking processes between the tool and the workpiece for unlubricated condition is discussed. The primary aim of the work was to develop means to predict frictional behavior in terms of which metal flow can be better understood.
M. B. Peterson, F. F. Ling
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The Frictional Behavior of Coated Guiding Archwires

Journal of Orofacial Orthopedics / Fortschritte der Kieferorthopädie, 2002
The vast range of orthodontic wires made of different alloys makes it increasingly difficult for orthodontists to judge them. Coated orthodontic wires form a group of innovative guiding archwires.In the present in vitro study the frictional behavior of eight coated wires of different dimensions was investigated in archwire-guided canine retraction in ...
Pamela, Husmann, Christoph, Bourauel, Michael, Wessinger, Andreas, Jäger   +3 more
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Tunable Friction Behavior of Photochromic Fibrillar Surfaces

Langmuir, 2015
Grasslike compliant micro/nano crystals made of diarylethene (DAE) photochromic molecules are spontaneously formed on elastomer films after dipping them in a solution containing the photochromic molecules. The frictional forces of such micro- and nanofibrillar surfaces are reversibly tuned upon ultraviolet (UV) irradiation and dark storage cycles. This
NANNI, GABRIELE, Ceseracciu, L., Oropesa-Nuñez, R., Canale, C., Salvatore, P., Fragouli, D., Athanassiou, A.   +6 more
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MARKET FRICTIONS, SAVINGS BEHAVIOR, AND PORTFOLIO CHOICE

Macroeconomic Dynamics, 1997
We examine a decision theoretic model of portfolio choice in which investors face income risk that is not directly insurable. We consider the sensitivity of savings and portfolio allocation rules to different assumptions about utility, the stochastic process for income and asset returns, and market frictions (transactions costs and short-sale ...
Heaton, John, Lucas, Deborah
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Frictional behavior of micro-patterned silicon surface

Journal of Colloid and Interface Science, 2015
A micro-patterned silicon surface, consisting of depressions with walls having a tilt angle of 30°, was created by photolithography followed by etching. The friction forces in single asperity contact acting between such a surface and an AFM tip was measured in air.
Xiaoyan, Liu, Sang Ho, Yun, Per M, Claesson   +2 more
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Friction and Wear Behavior

2016
In load bearing articulating joints, friction and wear play an important role in determining the durability and long-term performance of implantable biomaterials. In view of this importance, this chapter introduces the theoretical perspective of friction at tribological interfaces experiencing sliding motion.
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Frictional behavior of commercial graphites

Carbon, 1974
Abstract Coefficient of friction of commerical grades of polycrystalline graphites against deoxidized high phosphorus copper has been measured in an inert atmosphere at 10−5 mm Hg pressure. Graphites with large particles have a coefficient of friction of 0·48 at room temperature and of 0·35 at about 1000°C. Finer particle sized graphites have a lower
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Frictional behavior of carbon fiber tows: a contact mechanics model of tow–tow friction

Textile Research Journal, 2014
Composite-forming processes involve mechanical interactions at the ply, tow, and filament level. The deformations that occur during forming processes are governed by friction between the contacting tows on the mesoscopic level and consequently between filaments on the microscopic level.
Cornelissen, Bo, de Rooij, Matthias B., Rietman, Bert, Akkerman, Remko   +3 more
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Frictional behavior of magnetic recording disks

IEEE Transactions on Magnetics, 1990
The frictional behavior of oxide-coated and thin-film metallic recording disks is investigated in sliding contact with ferrite, calcium titanate, and alumina titanium carbide sliders. The dependence of the friction coefficient on velocity and the number of repeated disk revolutions is studied.
D. Trauner, Y. Li, F.E. Talke
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Friction Properties and Frictional Behavior of Rock Separation Planes

1972
Since the birth of rock mechanics as a separate branch of science a few decades ago, it has been clear that the laws of continuum mechanics could not be applied to the mechanical behaviour of rock masses near the earth’s surface. The concept of discontinuum mechanics was developed, in which the deformational behaviour of rock masses takes place by ...
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