Continuous Estimation of the Crack Growth Rate during Rotating‒Bending Fatigue Testing
A method for estimating the crack growth rate in steel during rotating‒bending fatigue testing is presented. Constant deflection tests were conducted in which the initial load remained constant prior to crack nucleation, when it decreased as the crack grew. In the proposed approach, steel samples we...
| Main Authors: | , , , |
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| Format: | Article |
| Language: | English |
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MDPI AG
2019-02-01
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| Series: | Metals |
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| Online Access: | https://www.mdpi.com/2075-4701/9/3/275 |
| _version_ | 1798045062699941888 |
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| author | Gabriela Martinez-Cazares Rafael Mercado-Solis Yaneth Bedolla-Gil Diego Lozano |
| author_facet | Gabriela Martinez-Cazares Rafael Mercado-Solis Yaneth Bedolla-Gil Diego Lozano |
| author_sort | Gabriela Martinez-Cazares |
| collection | DOAJ |
| description | A method for estimating the crack growth rate in steel during rotating‒bending fatigue testing is presented. Constant deflection tests were conducted in which the initial load remained constant prior to crack nucleation, when it decreased as the crack grew. In the proposed approach, steel samples were sharp-notched to produce a characteristic circular fracture upon loading and the final fracture area was correlated with a ratio of the load prior to fracture and the initial load. In this method, the deflection imposed is a function of a material’s elastic modulus rather than its yield strength and the correlation obtained to estimate the average crack length as a function of the instantaneous load is independent of the applied stress or steel grade. |
| first_indexed | 2024-04-11T23:14:37Z |
| format | Article |
| id | doaj.art-ad7c1671492b4b31be2c1146ebece8ef |
| institution | Directory Open Access Journal |
| issn | 2075-4701 |
| language | English |
| last_indexed | 2024-04-11T23:14:37Z |
| publishDate | 2019-02-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Metals |
| spelling | doaj.art-ad7c1671492b4b31be2c1146ebece8ef2022-12-22T03:57:40ZengMDPI AGMetals2075-47012019-02-019327510.3390/met9030275met9030275Continuous Estimation of the Crack Growth Rate during Rotating‒Bending Fatigue TestingGabriela Martinez-Cazares0Rafael Mercado-Solis1Yaneth Bedolla-Gil2Diego Lozano3Departamento de Ingeniería, Universidad de Monterrey, Av. Morones Prieto 4500, San Pedro Garza García 66238, MexicoFacultad de Ingeniería Mecánica y Eléctrica, Universidad Autónoma de Nuevo León, Pedro de Alba s/n, San Nicolás de los Garza 66455, MexicoDepartamento de Ingeniería, Universidad de Monterrey, Av. Morones Prieto 4500, San Pedro Garza García 66238, MexicoDepartamento de Ingeniería, Universidad de Monterrey, Av. Morones Prieto 4500, San Pedro Garza García 66238, MexicoA method for estimating the crack growth rate in steel during rotating‒bending fatigue testing is presented. Constant deflection tests were conducted in which the initial load remained constant prior to crack nucleation, when it decreased as the crack grew. In the proposed approach, steel samples were sharp-notched to produce a characteristic circular fracture upon loading and the final fracture area was correlated with a ratio of the load prior to fracture and the initial load. In this method, the deflection imposed is a function of a material’s elastic modulus rather than its yield strength and the correlation obtained to estimate the average crack length as a function of the instantaneous load is independent of the applied stress or steel grade.https://www.mdpi.com/2075-4701/9/3/275fatigue testfracturecrack growthsteelrotating‒bending |
| spellingShingle | Gabriela Martinez-Cazares Rafael Mercado-Solis Yaneth Bedolla-Gil Diego Lozano Continuous Estimation of the Crack Growth Rate during Rotating‒Bending Fatigue Testing Metals fatigue test fracture crack growth steel rotating‒bending |
| title | Continuous Estimation of the Crack Growth Rate during Rotating‒Bending Fatigue Testing |
| title_full | Continuous Estimation of the Crack Growth Rate during Rotating‒Bending Fatigue Testing |
| title_fullStr | Continuous Estimation of the Crack Growth Rate during Rotating‒Bending Fatigue Testing |
| title_full_unstemmed | Continuous Estimation of the Crack Growth Rate during Rotating‒Bending Fatigue Testing |
| title_short | Continuous Estimation of the Crack Growth Rate during Rotating‒Bending Fatigue Testing |
| title_sort | continuous estimation of the crack growth rate during rotating bending fatigue testing |
| topic | fatigue test fracture crack growth steel rotating‒bending |
| url | https://www.mdpi.com/2075-4701/9/3/275 |
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