Accelerated Corrosion Fatigue Crack Growth Studies On Is 2062 Gr. E 300 Steel
Journal Title: International Journal for Research in Applied Science and Engineering Technology (IJRASET) - Year 2016, Vol 4, Issue 5
Abstract
Corrosion fatigue crack growth experiments were carried out on two Eccentrically-Loaded Single Edge notch Tension [ESE(T)] specimens made of IS 2062 steel in salt water environment. The tests were carried out using ±250 kN capacity servo controlled electro hydraulic fatigue rated Universal Testing Machine (UTM). The test location of the specimen was placed in a chamber containing 3.5% Sodium Chloride (NaCl) aqueous solution which acted as corrosive environment. The corrosion process was accelerated by passing a constant direct current of 0.1 A and 0.3 A using an external current source. The maximum and minimum load values were 15 kN and 1.5 kN. The test frequency was 0.375 Hz and stress ratio was 0.1. Crack growth was continuously monitored and crack growth curve was plotted. From this curve, the fatigue crack growth constants C and m were determined. Details of the experimental study and the results are presented in this paper.
Authors and Affiliations
S. Menaka, G. Raghava, S. Vishnuvardhan, D. Suji
Keywords
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