| 2012 №08 (10) | 2012 №08 (02) |
The Paton Welding Journal, 2012, #8, 2-5 pages
GROWTH OF CORROSION CRACKS IN STRUCTURAL STEEL 10GN2MFA
V.I. MAKHNENKO1, L.I. MARKASHOVA1, O.V. MAKHNENKO1, E.N. BERDNIKOVA1, V.M. SHEKERA1 and A.S. ZUBCHENKO2
1E.O. Paton Electric Welding Institute, NASU, Kiev, Ukraine
2«Hydropress», Podolsk, Russia
Abstract
Relationship between corrosion crack growth rate and stress intensity factor, based on the static corrosion crack resistance diagram, is described. The main working hypothesis on the discrete nature of crack growth in structural steel is confirmed.
Keywords: welded structures, NPP steam generator, static corrosion crack resistance diagram, structural steel, corrosion cracks, electron microscopy, stress intensity factor, hydrogen embrittlement
Received: 18.04.12
Published: 28.08.12
References
1. Makhnenko, V.I. (2006) Safe service life of welded joints and assemblies of current structures. Kiev: Naukova Dumka.
2. MTsU-11-98p: Procedure for ultrasonic testing of welded joint between collector and steam generator WWER-1000. Moscow: TsNIITMASh.
3. (2005) Mechanics of fracture and material strength: Refer. Book. Ed. by V.V. Panasyuk. Vol.7: Reliability and life of structures of heat-power engineering equipment. Ed. by I.D. Dmitrakh. Kyiv: Akademperiodika.
4. Magdovski, R., Kraus, A., Speidel, O. (1995) Environmental degradation assessment and life prediction of nuclear pressure vessels and piping steels. In: Proc. of Int. Symp. on Plant Aging and Life Prediction of Corrodable Structures, 895-902.
5. (2001) Fracture mechanics and strength of materials: Refer. Book. Ed. by Z.T. Nazarchuk. Vol.5: Nondestructive testing and technical diagnostics. Lviv: G.V. Karpenko FMI.
6. Makhnenko, V.I., Shekera, V.M., Onoprienko, E.M. (2008) Determination of parameters of simplified static corrosion crack resistance diagram for pipe steels in soil corrosion. The Paton Welding J., 10, 26-30.
7. Makhnenko, V.I., Markashova, L.I., Berdnikova, E.N. et al. (2010) Kinetics of corrosion crack growth in 17G1S pipe steel. Ibid., 6, 10-12.
Suggested Citation
V.I. MAKHNENKO1, L.I. MARKASHOVA1, O.V. MAKHNENKO1, E.N. BERDNIKOVA1, V.M. SHEKERA1 and A.S. ZUBCHENKO2 (2012) GROWTH OF CORROSION CRACKS IN STRUCTURAL STEEL 10GN2MFA. The Paton Welding J., 08, 2-5.The cost of subscription/purchase order journals or individual articles
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