Frictional Resistance
Effect of chlorhexidine-containing prophylactic agent on the surface characterization and frictional resistance between orthodontic brackets and archwires: an in vitro study
... The frictional force was measured on a universal testing machine with a crosshead speed of 10 mm/min over a 5-mm of ...the frictional resistance values between SS and Ni-Ti wires immersed in either ...
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Effect of Different Types of Toothpaste on the Frictional Resistance between Orthodontic Stainless Steel Brackets and Wires
... the frictional resistance between stainless steel brackets and ...The frictional force was measured in a universal testing machine with a crosshead speed of 10 mm/minute over a 5-mm ...
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Frictional resistance evaluation in contemporary ligation systems: An Invitro study
... the frictional resistance between the archwire and orthodontic brackets using three different ligation technique, when compared to a passive self-ligation system in dry and wet condition over a fixed time ...
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The frictional resistance induced by bacterial based biofouling in drainage pipelines
... in frictional resistance. The magnitude of a biofilm’s frictional resistance is a function of the shear conditions under which the biofilm is ...the frictional resistance ...
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Effect of Sodium Fluoride Mouthwash on the Frictional Resistance of Orthodontic Wires
... highest frictional resistance in saliva and sodium fluoride solution, followed by TMA, NiTi and SS ...of frictional resistance followed by NiTi, whereas SS wire exhibited the lowest amount of ...
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Comparison of Frictional Resistance to Sliding on Pre-Adjusted Edgewise Brackets using Three Different Methods of Ligation and the Effect of Fluoride Mouth Rinse on Friction - An Invitro Study.
... Drescher and associates 21 (1989) found that an increased bracket width resulted in decreased friction. Their protocol permitted the bracket to tip under a given retarding force; this design intended to simulate the ...
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A comparative study of frictional resistance of different orthodontic Archwires on ceramic brackets: an in vitro study
... the frictional component (F) is parallel but in opposition to the sliding motion, and the normal force (N) perpendicular to the contacting surfaces and to the frictional force ...component. ...
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Frictional resistance exerted by different lingual and labial brackets: an in vitro study
... the frictional behavior of lingual brackets is still very limited ...[7-14]. Frictional resistance (FR) has been attrib- uted to many factors, such as bracket type, wire size and alloy, method of ...
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A CFD model for the frictional resistance prediction of antifouling coatings
... frictional resistance. It also outlines details of CFD simulations of resistance tests on coated plates in a towing ...the frictional resistance of a tanker were predicted using the ...
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Frictional Resistance of Three Types of Ceramic Brackets
... undesirable frictional resistance, bracket systems have attempted to reduce the frictional resistance component in a number of different ways including changes in the surface finish/material ...
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Frictional resistance in monocrystalline ceramic brackets with conventional and nonconventional elastomeric ligatures
... Methods: All tests (a total of 480 tests) were carried out in a dry state on a universal testing machine with a testing model consisting of three 0.022-in. monocrystalline ceramic preadjusted brackets (from the maxillary ...
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THE REDUCTION OF FRICTIONAL RESISTANCE IN THE CURVES
... Однако с точки зрения реализации силы тяги локомоти- вов существующая на данном этапе лубрика- ции практика некачественного нанесения луб- рикантов на боковую грань голов[r] ...
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Analysis of Pull Out Behaviour of Straight and Hooked End Steel Fibres
... When PH1 has straightened, the wire moves into the straight part of the chan- nel. Then moving and straightening of PH2 results in a slight decrease in pull-out load (stage d-e ). Once both PH1 and PH2 are completely ...
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Effect of Tool Materials on Frictional Properties of Galvannealed Steel Sheets
... When using a tool with a larger hardness than the test spec- imen, such as SKD (728 HV) and CR (981 HV), the test specimen was plowed by the tool surface, and the plowed GA coating layer adhered to the tool. Thus, as ...
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Evaluation of Frictional Characteristics of Four Commercially Available Self-Ligating Brackets: An In-Vitro Study
... 0.019 x 0.025 in. Friction was evaluated in a simulated half-arch fixed appliance on a Universal testing machine. Results showed that Static and kinetic frictional forces were lower for both the passive and active ...
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Experimental Study on the Flow and Heat Transfer Characteristics of TiO2 Water Nanofluids in a Spirally Fluted Tube
... tional resistance coefficients between the experimental results of this paper and the results of published litera- tures are shown in ...and frictional resist- ance coefficients at different Reynolds ...
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New horizons in marine coatings
... ship’s frictional resistance and fuel consumption (Kempf, ...in resistance due to microorganism fouling is around 1-2%, whereas an accumulation of hard shelled organisms may cause an increase in ...
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Review on Air Bearings and Its Applications
... the frictional resistance and due to the contact of surfaces large amount of wear and tear takes place between the contacted ...reduce frictional resistance the thin layer of fluid is ...
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Friction Testing of Contemporary Self-ligating Appliance Systems
... were quickly accepted and adopted into practice due to their ease of placement and reduction of required chair time. Due to the high coefficient of FR between polyurethane ligatures and metal archwires, alternative ...
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Effect of Municipal Solid Waste Leachate on the Strength of Compacted Tropical Soil for Landfill Liner
... waste (MSW) leachate on the strength of compacted tropical soil for landfill liner. The leachate was obtained from an open dump site in Bauchi, Bauchi state Nigeria. The Mineralogy and chemical compositions of the soil ...
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