PSI - Issue 42

Mike Nahbein et al. / Procedia Structural Integrity 42 (2022) 433–440 Author name / Structural Integrity Procedia 00 (2019) 000–000

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cracking of specimen as well as fully automatic crack propagation tests without defined crack initiation sites on the circumference in notched round bars. References ASTM E647; 2013. Test Method for Measurement of Fatigue Crack Growth Rates. DOI: 10.1520/E0647-15E01 Bär, J.; Nahbein, M.; 2022. Investigation of Crack Formation and Propagation in AA7475 using Multiple Potential Drop Measurement, Procedia Structural Integrity 37, 336-343; DOI: 10.1016/j.prostr.2022.01.093 Bär, J.; Tiedemann, D.; 2017. Experimental investigation of short crack growth at notches in 7475-T761, Structural Integrity Procedia 5, 793-800. DOI: 10.1016/j.prostr.2017.07.171. Campagnolo, A.; Bär, J.; Meneghetti, G.; 2019. Analysis of Crack Geometry and Location in Notched Bars by Means of a Three-Probe Potential Drop Technique, International Journal of Fatigue 124, 167-187. DOI: 10.1016/j.ijfatigue.2019.02.045. Doremus, L.; Nadot, Y.; Henaff, G.; Mary, C.; Pierret, S.; 2015. Calibration of the potential drop method for monitoring small crack growth from surface anomalies – Crack front marking technique and finite element simulations, International Journal of Fatigue 70, 178-185. DOI: 10.1016/j.ijfatigue.2014.09.003. Hartweg, M.; Bär, J.; 2019. Analysis of the crack location in notched steel bars with multiple DC potential drop measurement, Procedia Structural Integrity 17, 254-261; DOI: 10.1016/j.prostr.2019.08.034 Johnson, H. H.; 1965. Calibrating the Electric Potential Method for Studying Slow Crack Growth, Materials Research and Standards 5, No. 9, 442 445. Ritchie, R.O.; Garrett, G.G.; Knott, J.F.; 1971. Crack-Growth Monitoring: Optimisation of the Electrical Potential Method Using an Analogue Method. International Journal of Fracture Mechanics 7, 462–467. Si, Y.; Rouse, J.P.; Hyde, C.J.; 2020. Potential difference methods for measuring crack growth: A review. International Journal of Fatigue 136, 105624; DOI: 10.1016/j.ijfatigue.2020.105624. Tiedemann, D.; 2016. Zweidimensionale Ausbreitung kurzer Risse unter Berücksichtigung bruchmechanischer und kontinuumsmechanischer Aspekte – Ein Beitrag zur Optimierung von Lebensdauervorhersagen an gekerbten Struktuen. Dissertation, Universität der Bundeswehr München, Institute of Materials Science. Van Stone, R. H.; Richardson, T. L.; 1985. Potential Drop Monitoring of Cracks in Surface Flawed Specimens, Automated Test Methods for Fracture and Fatigue Crack Growth, ASTM STP 877, W. H. Cullen, R. W. Landgraf, L. R. Kaisand, and J. H. Underwood, Eds., ASTM, 148 166. Verpoest, I.; Aernoudt, E.; Dedruyttere, A.; 1981. An Improved A.C. Potential Drop Method for Detecting Surface Microcracks during Fatigue Tests of Unnotched Specimens. Fatigue and fracture of Engineering Materials and Structures 3, 203-217. Wiehler, L.; Bär, J.; 2020. Crack Detection and Localization with Multiple Potential Drop Measurements. Procedia Structural Integrity 28, 925 932; DOI: 10.1016/j.prostr.2020.11.065.