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fatigue life

Fatigue Life Estimation of Medium-Carbon Steel with Different Surface Roughness

Fatigue Life Estimation of Medium-Carbon Steel with Different Surface Roughness

... Its fatigue behavior analysis and fatigue life estimation play an important role in the machinery ...of fatigue life of medium-carbon steel with different surface roughness using ...

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Effect of Quenching Media and Tempering Temperature on Fatigue Property and Fatigue Life Estimation Based on RBF Neural Network of 0.44 % Carbon Steel

Effect of Quenching Media and Tempering Temperature on Fatigue Property and Fatigue Life Estimation Based on RBF Neural Network of 0.44 % Carbon Steel

... the fatigue life of the carbon steel could be im- proved by the quenched and tempered ...Moreover, Fatigue life of structures is mainly determined by the surface roughness, residual stress and ...

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Spot Weld Fatigue Life Prediction by Using Multiaxial Fatigue Criteria’s

Spot Weld Fatigue Life Prediction by Using Multiaxial Fatigue Criteria’s

... and fatigue failure so it is needed to carefully design for optimum ...and fatigue behaviour of the multi-spot welded joints have been ...ANSYS. Fatigue life calculation is done by using ...

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Fatigue Life of Repaired Welded Tubular Joints

Fatigue Life of Repaired Welded Tubular Joints

... the fatigue life of tubular ...to fatigue loading underwent weld ...the fatigue life by roughly 150%. The increase of fatigue life for shot peened and repaired specimens ...

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High Temperature Fatigue Life Evaluation Using Small Specimen

High Temperature Fatigue Life Evaluation Using Small Specimen

... and life, ...The fatigue life of structural materials and the effect of neutron irradiation on it must be understood to design fu- sion reactors and to predict their residual life during opera- ...

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Effect of Surface Roughness on Fatigue Life of Al 6160 Alloy

Effect of Surface Roughness on Fatigue Life of Al 6160 Alloy

... the fatigue life/ strength of a ...the fatigue life of Al 6160 alloy is investigated in the current ...Standard fatigue specimens are fabricated as per the requirement of the 25KN axial ...

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Fatigue Life Prediction of Aluminum Alloy welding spot based on the workbench

Fatigue Life Prediction of Aluminum Alloy welding spot based on the workbench

... fast fatigue life prediction for aluminum alloy 5754welding ...the fatigue failure of welding spot is mainly caused by the defects of welding process, so the welding spot defect have a big impact on ...

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The Effect of Carbon Nano-tube on the Fatigue Life of Asphalt Mixtures

The Effect of Carbon Nano-tube on the Fatigue Life of Asphalt Mixtures

... of fatigue life ...the fatigue life of asphalt samples increases too, because Carbon Nano-tube has improved the micro- scopic structure of bitumen and since the fa- tigue cracks are tiny and ...

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Fatigue Life Prediction of a Hoop-Wrapped Composite CNG Cylinder Containing Surface Flaw

Fatigue Life Prediction of a Hoop-Wrapped Composite CNG Cylinder Containing Surface Flaw

... to fatigue caused by pressure changes due to refilling and ...for fatigue life ...material fatigue-life curves (stress-life and strain-life models) and a damage ...

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Effect of Plasma Nitriding Treatment on Fatigue Life of En-24 steel

Effect of Plasma Nitriding Treatment on Fatigue Life of En-24 steel

... bending fatigue tests on plasma nitrided samples were conducted at various stress levels to plot S-N ...the fatigue test results, modification factors for stress & life-cycles were ...the ...

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Fatigue and corrosion fatigue life assessment with application to autofrettaged parts

Fatigue and corrosion fatigue life assessment with application to autofrettaged parts

...  ( / 2 )  (8) The attractiveness of the method is conditioned by the fact that a reasonable accuracy is reached by only post processing results of FEM calculation with the use of only few parameters. However, there is ...

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Fatigue Life Analysis of Aluminum Wheels by Simulation of Rotary Fatigue Test

Fatigue Life Analysis of Aluminum Wheels by Simulation of Rotary Fatigue Test

... the fatigue life of aluminum wheels is proposed in this ...size, fatigue notch, surface finish and scatter factors. The fatigue life of aluminum wheels was predicted by using the ...

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Estimating Mechanical Fatigue Life—A Review

Estimating Mechanical Fatigue Life—A Review

... Stress life approach gives infinite life (high cycle fatigue life) of materials where stresses remain elastic even around the stress concentrations as is found applicable for steel and ...

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Low Cycle Fatigue Life Estimation and Tracking for Industrial Gas Turbine Blades Using Fatigue Factor Approach

Low Cycle Fatigue Life Estimation and Tracking for Industrial Gas Turbine Blades Using Fatigue Factor Approach

... the life tracking process. The fatigue life consumption results obtained for the different months are in line with what is obtainable in real engine operations in many other works—higher ...

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INVESTIGATION OF FATIGUE LIFE AND FRACTURE MECHANICS

INVESTIGATION OF FATIGUE LIFE AND FRACTURE MECHANICS

... shorter fatigue life (Figure ...the fatigue life between samples within each arbitrary surface roughness group leading to higher error and overlap between the ...

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Fatigue Life Assessment of Unidirectional Fibrous Composite Centrifugal Compressor Impeller Blades Based on FEA

Fatigue Life Assessment of Unidirectional Fibrous Composite Centrifugal Compressor Impeller Blades Based on FEA

... Abstract— Fatigue is the main failure mode of centrifugal compressor ...the life of compressor impeller and blades. In the present research, fatigue analysis of centrifugal compressor impeller is ...

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Status of fatigue road map and remaining uncertainties in fatigue life evaluation

Status of fatigue road map and remaining uncertainties in fatigue life evaluation

... o for example for stainless steels, the value of Young modulus can be lower of 10 to 15% than the codified values. If the strain amplitude is well evaluated, the multiplication by the Young modulus before using the S-N ...

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Thermoelastic investigations for fatigue life assessment

Thermoelastic investigations for fatigue life assessment

... However for mixed-mode edge cracks the differences between theory and experiment were up to 30%. No reasons could be given for the unusually large differences and plans for further investigation were indicated. The ...

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Fretting Fatigue Characteristics with Relating Contact Pressure and Surface Roughness of Highly Workable Titanium Alloy, Ti 4 5Al 3V 2Mo 2Fe

Fretting Fatigue Characteristics with Relating Contact Pressure and Surface Roughness of Highly Workable Titanium Alloy, Ti 4 5Al 3V 2Mo 2Fe

... fretting fatigue strength of ...Fretting fatigue tests in low and high cycle fatigue life regions of the alloy were carried out at each contact pressure of 10, 15, 30, 45, 75, 105 and 153 MPa ...

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Influence of Temperature and Dwelling Time on Low Cycle Fatigue Characteristic of Isotropic Conductive Adhesive Joint

Influence of Temperature and Dwelling Time on Low Cycle Fatigue Characteristic of Isotropic Conductive Adhesive Joint

... the fatigue life of the interconnects is ...However, fatigue character- istics of the conductive adhesive and its fatigue damage mechanism have not been ...the fatigue characteristics ...

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