surface pitting

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Examples

  • Analysis on Causes of Early Stage Surface Pitting on Grey Cast Iron Camshaft

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  • The dynamic properties of surface pitting of the turbine pump metal parts of certain rocket engine and the properties of local damage and deformation of the nonmetal parts of the pump were investigated by means of optical microscope and electron microscope .

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  • The surface roughness pitting corrosion burn and hydrogen uptake of ECM machined Ti-alloy blades are analyzed and the measures of improving surface integrity are introduced .

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  • The separation of steel debares from the ball surface is abrasive wear ; the pitting of the surface of the plate groove is fatigue wear .

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  • Removing visible surface corrosion before pitting begins ( such as during a C-check ) helps prevent conditions that can lead to crack initiation .

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  • After the workpiece has smooth surface no corrosion no pitting has good cooling performance .

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  • Influence of Surface State on the Pitting Corrosion Behaviors of Low Voltage Aluminum Anode Foil

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  • The results show that NC copper exhibits uniform dissolution of the surface and discrete localized corrosion but that coarse copper uniformly exhibits pitting corrosion along the grain boundaries .

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  • Failure mode of tooth surface is varied such as teeth surface pitting teeth wear teeth bonding and teeth plastic deformations and so on .

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  • Finally it synthesizes the main factors which affect the fatigue crack of the tooth surface extension and form pitting under EHL conditions .

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  • The exposed surface of the structure shall be even and shall be free from honeycombs pitting surface exposed reinforcing bars and cavities .

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  • Cu + + and Fe + + + ions deposit on the aluminum alloy surface as Cu and Fe acts as an efficient cathode shifting the corrosion potential of aluminum alloy to the critical pitting potential .

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  • Effect of Surface Roughness on Metastable Pitting of Amorphous Ni Alloy

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  • The accurate calculation of stress field based on EHL theory and theory of elasticity showed that the shear stresses at surface in direction of 30 u00b0 with rolling direction cause the pitting cracks and the tensile stresses accelerate the crack growth .

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  • Surface morphology of the alloys after corrosion has been observed and pitting corrosion the classical corrosion type of passivation metal has occurred .

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  • A scanning micro-reference-electrode technique controlled by micro-computer was used to ( measure ) the potential distribution on the surface of the reinforcing steel and to study the pitting initiation in early stage of the reinforcing steel in chloride-free and chloride-contaminated simulated concrete pore ( solutions ) .

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  • Effect of Surface Pitting Corrosion of In-service Pressure Vessel on Ultrasonic Testing

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  • Analysis of Gear Surface Pitting and Spalling of Fatigue in the Close Gear-driven

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  • Grain refinement can slow down the rate . The corrosion on she surface of wire is pitting and the extent of corrosion and the size of the pits are related to the chemical composition and concentration .

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  • The examples include study of electrochemical Li + intercalation process characterization of surface oxide film on AB 5 type electrodes and passive film and pitting corrosion of Rebar electrodes .

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  • Peeling of the ball surface belongs to wear of abrasive pitting of the groove surface of lapping disk is due to fatigue wear .

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  • The results show that uniform corrosion occurred at first in the surface and turn to pitting corrosion later .

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  • It is found that on repeated impact force the various of failure mode of the components include the surface crackle surface plastic deformation corrosive pitting and coat collapse etc.

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  • Some comparing analysis on the surface passivated hemostatic forceps domestic and foreign made were carried out through chemical composition analysis hardness test microstructure observation and pitting corrosion potential test .

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