Fretting corrosion
Fretting corrosion and the reliability of multicontact connector terminals
... Experimental investigations into fretting corrosion of tin and its alloys have been reported by many authors [4]–[6]. These studies investigate contact phenomena involving a single contact interface. ...
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Fretting corrosion of CoCr alloy: Effect of load and displacement on the degradation mechanisms
... of fretting-corrosion of biomedical alloys has been ...of fretting-corrosion are generally accepted [20,21,2] the relationship and synergy between the tribological and electrochemical factors ...
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Effect of Physiological Loading on Fretting Corrosion of Zimmer® Trabecular Metal™ Coupled Tibial Cones Interacting with Tibial Baseplates
... Fretting corrosion testing, in a simulated accelerated corrosion laboratory environment, of the TM tibial half-augment (control sample) was conducted to provide a baseline for the possible ...
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Characterisation of the surface topography, tomography and chemistry of fretting corrosion product found on retrieved polished femoral stems
... FIB/SEM preparation techniques, along with TEM and EDX analysis proved a useful tool when identifying the exact morphology and chemistry of the deposits found on top of the re trieved femoral stems. Figure 10a ...
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Fretting corrosion of fully cemented polished collarless tapered stems: the influence of PMMA bone cement
... the fretting corrosion of cemented femoral stems, a novel test setup with integrated electrochemistry was developed and conducted in part reference to ISO ...the fretting corrosion ...
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Fretting–corrosion at the modular tapers interface: Inspection of standard ASTM F1875-98
... the corrosion at the ...quantify fretting-corrosion under complex biomechanical loading is still to be ...and corrosion processes at this interface can be scaled appropriately for different ...
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Torsional Fretting Corrosion Behaviors of the CoCrMo/Ti6Al4V Couple
... of fretting corrosion on the fitting surface of hip prosthesis head and neck, which have an impact on the service life of the ...torsional fretting corrosion experiment of CoCrMo alloy and ...
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Fretting corrosion of hafnium in simulated body fluids.
... (grade 10) of 12 mm diameter (Redhill Precision, Czech Republic). A normal load of 10 N was used (490 MPa and 530 MPa Hertzian initial mean contact pressure for CP titanium and hafnium, respectively). The frequency was ...
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The role of surface pre-treatment on the microstructure, corrosion and fretting corrosion of cemented femoral stems
... reduces corrosion at the interface through a combination of different ...of fretting contact is well documented in the tribology and tribocorrosion ...
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The Dynamic Behavior of a Turbine Rotating System
... This paper looks at the dynamics of a steam-turbine rotating system using theoretical modeling and a simulation combined with experimental condition monitoring and diagnostics results. Two rotors are connected by the ...
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The Impacts of Corrosion in Weld joints and Surfaces of Oil and Gas Pipelines: A Review
... movement of electrons. In addition, cathodic protection leads to the development of deposits that protect the steel since they are alkaline in nature [11, 15, 38, 39, 40]. There are two main methods of cathodic ...
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Material Corrosion in Molten Fluoride Salts
... dissolvable. Corrosion in molten fluorides mainly occurs through the dissolution of alloying elements into the melt ...the corrosion is the difference in the free energy between the salt constituents and ...
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Impact of variable loading conditions on fretting wear
... In this work we present the results of tests performed on hard titanium carbide coating under constant and variable loading conditions. The resistance of such a coating to fretting wear has been established in the ...
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Fretting of CoCrMo and Ti6Al4V Alloys in Modular Prostheses
... of corrosion as a function of fretting was monitored by integrating a 3-electrode electrochemical cell into the test apparatus in order to attain an in-situ corrosion ...free corrosion ...
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Corrosion Analysis by Acid Concentration in Oil and Gas Pipelines
... metallic corrosion causes a cost of $276 million per ...of corrosion in industries is very ...to corrosion in oil and gas pipelines and also to determine which element from the composition of pipe is ...
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Aqueous Corrosion of Steel at Hooghly Stretch of Ganga River
... Erosion corrosion occurs due to the relative motion between corrosive media and metal ...Erosion corrosion can be characterized by the presence of holes, grooves, or valleys which usually shows a ...
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Tribochemical Changes in Steel and Ceramics under Fretting Conditions
... Based on the high coefficient of friction and the large amounts of silica (high wear loss) produced in our experiments under unlubricated conditions, even higher temperatures are expected compared to lubricated ...
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On the estimation of finite lifetime under fretting fatigue loading
... Having calibrated functions , & ,∋ ( ), and ( ), finite lifetime under fretting fatigue can be estimated directly according to the recursive procedure summarised in Fig. 6. In particular, this procedure takes ...
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Fretting wear properties of Nimonic 263 at elevated temperatures
... This situation supported by the findings from the previous works of literature. At high temperatures, the wear zone is generally covered with oxide-layers. The fretting wear zones under small reciprocating motion ...
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Calculating the Contact Temperature for Lubricated and Dry Fretting Conditions
... Although some models demand unlubricated contact conditions, for comparison reasons calculations were also performed using parameters from lubricated contacts (denoted as L in Figure 1). Lubrication took the form of a ...
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