Abstract
The results of experimental acoustic emission (AE) studies on the stepwise character of deformation and fracture in the uniaxial tensioning of steel specimens are presented. True “stress–residual strain” plots and parameters of the accompanying AE are analyzed in order to determine the characteristic points of the transition of the defect accumulation process from one stage to another. Based on the integral characteristics of the flow of AE events, a method for the detection and quantitative assessment of metal fracture (loosening) under mechanical loading is proposed; this method can be directly used in diagnostics of the prefailure condition of materials.
This is a preview of subscription content, log in via an institution to check access.
Similar content being viewed by others
REFERENCES
Bell,_G.F., Eksperimental’nye osvovy mekhaniki deformiruemykh tverdykh tel (Experimental Bases of Mechanics of Solids under Strain), Filin, A.P., Ed., Moscow: Nauka, 1984 (Russian Translation).
Berezin, A.V. and Kozinkina, A.I., Physical Models and Methods for Evaluating the Accumulation of Damage in Solids, Problemy Mashinostroeniya i Nadezhnosti Mashin, 2002, no. 3, pp. 115–121.
Rybakova, L.M., Mechanical Properties and Fracture of Metal under Plastic Deformation, Vestnik Mashinostroeniya, 1993, no. 8, pp. 32–37.
Rybakova, L.M., Study of Structure Defects-Fracture of Metal under Plastic Deformation, Extended Abstract of Doctoral Dissertation, Moscow: TsNIIChERMET, 1978.
Kachanov, L.M., Destruction Time under Creep Conditions, Izv. AN SSSR, OTN, 1958, no. 8, pp. 26–31.
Rabotnov, Yu.N., To the Mechanism of Delayed Fracture, in Voprosy prochnosti materialov i konstruktsii (Problems of Strength of Materials and Structures), Moscow: Izd. AN SSSR, 1959, pp. 5–7.
Novozhilov, V.V., Voprosy mekhaniki sploshnoi sredy (Problems of Continuum Mechanics), Leningrad: Sudostroenie, 1989.
Lemaitre, J., Course on Damage Mechanics, Berlin: Springer-Verlag, 1992.
Berezin, A.V., Vliyanie povrezhdenii na deformatsionnye i prochnostnye kharakteristiki tverdykh tel (Effect of Flaws on the Deformation and Strength Characteristics of Solids), Moscow: Nauka, 1990.
Radaev, Yu.N., Continual Models of the Degree of Damage of Solids, Extended Abstract of Doctoral Dissertation, Samara, 1999.
Builo, S.I., Use of Statistical Radiophysics Models to Improve the Reliability of Acoustic-Emission Testing and Diagnosis of the Pre-failure Condition, Defektoskopiya, 1995, no. 7, pp. 14–26.
Il’ina, S.G., Acoustic Emission Near the Yield Stress of Tempered Steels, Fizika Metallov i Materialov, 1997, vol. 83, no. 5, pp. 143–151 [The Phys. of Metals and Metallography, 1997, vol. 83, no. 5, p. 561].
Tronza, E.I., Study of the Effect of Heat and Deformation Treatment on the Fracture of Structural Steel Aimed at Improving the Performance Characteristics of Articles, Extended Abstract of Cand. Sci. Dissertation, Moscow: Moscow Institute of Instrumentation Engineering, 1992.
Builo, S.I., To the Relationship between the Acoustic Emission Parameters and the Specific Features of the Kinetics of Deformation and Microfracture of Solids, in Akusticheskaya emissiya materialov i konstruktsii. Ch. 1 (Acoustic Emission of Materials and Structures. Part 1), Rostov-on-Don: Rostov State University, 1989, pp. 125–132.
Author information
Authors and Affiliations
Rights and permissions
About this article
Cite this article
Berezin, A.V., Kozinkina, A.I. & Rybakova, L.M. Acoustic Emission and Destruction of Inelastically Strained Metal. Russian Journal of Nondestructive Testing 40, 152–156 (2004). https://doi.org/10.1023/B:RUNT.0000040172.94110.64
Issue Date:
DOI: https://doi.org/10.1023/B:RUNT.0000040172.94110.64