Effect of V Notch Shape on Fatigue Life in Steel Beam Made of High Carbon Steel Alloy AISI 1078
Journal Title: International Journal of Modern Engineering Research (IJMER) - Year 2014, Vol 4, Issue 7
Abstract
The present work includes study effect of V notch shape with various angle orientation and depths on fatigue life behavior in steel beam made of High Carbon Steel alloy AISI 1078 which has a wide application in industry. Fatigue life of notched specimens is calculated using the fatigue life obtained from the experiments for smooth specimens (reference) and by use Numerical method (FEA).The fatigue experiments were carried out at room temperature, applying a fully reversed cyclic load with the frequency of 50 Hz and mean stress equal to zero (R= -1), on a cantilever rotating-bending fatigue testing machine. The stress ratio was kept constant throughout the experiment. Different instruments have been used in this investigation like Chemical composition analyzer , Tensile universal testing machine ,Hardness tester , Fatigue testing machine and Scanning Electron Microscope (SEM).The results show that there is acceptable error between experimental and numerical works.
Authors and Affiliations
Qasim Bader , Emad Kadum
Keywords
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