Bar, H N and Sivaprasad, S and Narasaiah, N and Paul, S K and Sen, B N and Chandra, Sanjay (2013) Low Cycle and Ratchetting Fatigue Behavior of High UTS/YS Ratio Reinforcing Steel Bars. Journal of Materials Engineering and Performance, 22(6) (IF- 0.92). pp. 1701-1707.
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Cyclic deformation behavior of high UTS/YS rebars has been studied employing both symmetric strain-controlled and asymmetric stress-controlled cycles in an attempt to understand the influence of UTS/YS ratio on fatigue life. While strain-controlled cyclic deformation did not exhibit a pronounced influence of UTS/YS ratio, a substantial life enhancement is noted for the asymmetric stress-controlled cyclic. Reasons for life enhancement were found to be due to the ratchetting strain development and the associated hardening behavior. An equivalent stress-based model has been used to predict both the symmetric and asymmetric fatigue lives of rebars.
|Uncontrolled Keywords:||LCF; ratchetting; rebar; stress-based model|
|Divisions:||Material Science and Technology|
|Deposited By:||Dr. A K Sahu|
|Deposited On:||25 Jun 2013 08:26|
|Last Modified:||27 Dec 2013 18:00|
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