Analysis of the Deceleration Methods of Fatigue Crack Growth Rates under Mode I Loading Type in Pearlitic Rail Steel
Abstract
:1. Introduction
2. Materials and Methods
2.1. Materials
- easy to apply,
- good adhesion,
- high strength,
- hardens without shrinkage,
- no primer needed,
- good mechanical resistance.
2.2. Methodology
- sample from raw steel material,
- sample from raw steel material with use of the stop-hole technique,
- sample from raw steel material with a wide CFRP patch (full face),
- sample from a raw steel material with a narrow CFRP patch (strip),
- sample from raw steel material with an application of an “anti-crack growth fluid” [23].
3. Fatigue Crack Growth Results and Fractography
4. Conclusions
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Conflicts of Interest
References
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Chemical Composition (in % by Weight) | |||||||||
---|---|---|---|---|---|---|---|---|---|
Element | C | Mn | Si | P | S | Cr | Ni | Mo | Fe |
rail steel | 0.721 | 0.873 | 0.256 | 0.012 | 0.005 | 0.053 | 0.032 | 0.011 | bal. |
Mechanical Properties of the Rail Steel Samples | ||||
---|---|---|---|---|
property | Tensile strength (MPa) | Yield strength (MPa) | Elongation (%) | Hardness (HV) |
rail steel | 998 | 481 | 14.5 | 258 |
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Lesiuk, G.; Nykyforchyn, H.; Zvirko, O.; Mech, R.; Babiarczuk, B.; Duda, S.; Maria De Arrabida Farelo, J.; Correia, J.A.F.O. Analysis of the Deceleration Methods of Fatigue Crack Growth Rates under Mode I Loading Type in Pearlitic Rail Steel. Metals 2021, 11, 584. https://doi.org/10.3390/met11040584
Lesiuk G, Nykyforchyn H, Zvirko O, Mech R, Babiarczuk B, Duda S, Maria De Arrabida Farelo J, Correia JAFO. Analysis of the Deceleration Methods of Fatigue Crack Growth Rates under Mode I Loading Type in Pearlitic Rail Steel. Metals. 2021; 11(4):584. https://doi.org/10.3390/met11040584
Chicago/Turabian StyleLesiuk, Grzegorz, Hryhoriy Nykyforchyn, Olha Zvirko, Rafał Mech, Bartosz Babiarczuk, Szymon Duda, Joao Maria De Arrabida Farelo, and Jose A.F.O. Correia. 2021. "Analysis of the Deceleration Methods of Fatigue Crack Growth Rates under Mode I Loading Type in Pearlitic Rail Steel" Metals 11, no. 4: 584. https://doi.org/10.3390/met11040584