Microstructure influence on crack propagation behavior of nodular cast iron

Carla Tatiana Mota Anflor; José David Hurtado-Agualimpia; Adrián Alberto Betancur-Arroyave; Sergio Henrique da Silva Carneiro; Jhon Nero Vaz Goulart

doi:10.15446/dyna.v92n238.117610

Details of the specimens: (b) Specimen geometry.

Publicado

2025-08-19

Microstructure influence on crack propagation behavior of nodular cast iron

Influencia de la microestructura en el comportamiento de propagación de grietas en fundición nodular

DOI:

https://doi.org/10.15446/dyna.v92n238.117610

Palabras clave:

nodular cast iron, fracture mechanics, scanning electron microscopy, micrographic analysis (en)
fundición nodular, mecanismos de fractura, microscopia electrónica de barrido, análisis micrográfico (es)

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Autores/as

Carla Tatiana Mota Anflor Group of Experimental and Computational Mechanics, University of Brasilia, Campus Gama, Brazil https://orcid.org/0000-0003-3941-8335
José David Hurtado-Agualimpia Group of Experimental and Computational Mechanics, University of Brasilia, Campus Gama, Brazil https://orcid.org/0009-0001-1759-7881
Adrián Alberto Betancur-Arroyave Group of Experimental and Computational Mechanics, University of Brasilia, Campus Gama, Brazil https://orcid.org/0000-0002-6687-1197
Sergio Henrique da Silva Carneiro Group of Experimental and Computational Mechanics, University of Brasilia, Campus Gama, Brazil https://orcid.org/0000-0001-6669-2255
Jhon Nero Vaz Goulart Group of Experimental and Computational Mechanics, University of Brasilia, Campus Gama, Brazil https://orcid.org/0000-0002-3045-1975

Resumen (en)
Resumen (es)

This paper offers a comprehensive analysis of the crack propagation behavior of a specific type of Nodular Cast Iron (NCI) and its correlation with microstructural morphology. To estimate da/dN vs K curves, crack propagation tests were conducted utilizing Compact Test Specimens (CTS). Additionally, Scanning Electron Microscopy Analysis was employed to characterize the microstructure morphology on the surfaces of the fractured specimens, with specific attention to the size and distribution of graphite nodules within the ferritic matrix. The findings of the study suggest that the position from which the CTS is extracted is contingent upon the graphite distribution, which could have a noteworthy impact on the crack propagation behavior of the investigated NCI alloy.

Este artículo ofrece un análisis exhaustivo del comportamiento de propagación de grietas de un tipo específico de fundición nodular (NCI) y su correlación con la morfología microestructural. Para estimar las curvas da/dN vs K, se realizaron pruebas de propagación de grietas utilizando muestras de prueba compactas (CTS). Además, se empleó análisis de microscopía electrónica de barrido para caracterizar la morfología de la microestructura en las superficies de las muestras fracturadas, con atención específica al tamaño y la distribución de los nódulos de grafito dentro de la matriz ferrítica. Los hallazgos del estudio sugieren que la posición desde la cual se extrae el CTS depende de la distribución del grafito, lo que podría tener un impacto notable en el comportamiento de propagación de grietas de la aleación NCI investigada.

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Cómo citar

IEEE

[1]

C. T. Mota Anflor, J. D. Hurtado-Agualimpia, A. A. Betancur-Arroyave, S. H. da S. Carneiro, y J. N. Vaz Goulart, «Microstructure influence on crack propagation behavior of nodular cast iron», DYNA, vol. 92, n.º 238, pp. 93–102, jul. 2025.

ACM

[1]

Mota Anflor, C.T., Hurtado-Agualimpia, J.D., Betancur-Arroyave, A.A., Carneiro , S.H. da S. y Vaz Goulart, J.N. 2025. Microstructure influence on crack propagation behavior of nodular cast iron. DYNA. 92, 238 (jul. 2025), 93–102. DOI:https://doi.org/10.15446/dyna.v92n238.117610.

ACS

(1)

Mota Anflor, C. T.; Hurtado-Agualimpia, J. D.; Betancur-Arroyave, A. A.; Carneiro , S. H. da S.; Vaz Goulart, J. N. Microstructure influence on crack propagation behavior of nodular cast iron. DYNA 2025, 92, 93-102.

APA

Mota Anflor, C. T., Hurtado-Agualimpia, J. D., Betancur-Arroyave, A. A., Carneiro , S. H. da S. & Vaz Goulart, J. N. (2025). Microstructure influence on crack propagation behavior of nodular cast iron. DYNA, 92(238), 93–102. https://doi.org/10.15446/dyna.v92n238.117610

ABNT

MOTA ANFLOR, C. T.; HURTADO-AGUALIMPIA, J. D.; BETANCUR-ARROYAVE, A. A.; CARNEIRO , S. H. da S.; VAZ GOULART, J. N. Microstructure influence on crack propagation behavior of nodular cast iron. DYNA, [S. l.], v. 92, n. 238, p. 93–102, 2025. DOI: 10.15446/dyna.v92n238.117610. Disponível em: https://revistas.unal.edu.co/index.php/dyna/article/view/117610. Acesso em: 25 dic. 2025.

Chicago

Mota Anflor, Carla Tatiana, José David Hurtado-Agualimpia, Adrián Alberto Betancur-Arroyave, Sergio Henrique da Silva Carneiro, y Jhon Nero Vaz Goulart. 2025. «Microstructure influence on crack propagation behavior of nodular cast iron». DYNA 92 (238):93-102. https://doi.org/10.15446/dyna.v92n238.117610.

Harvard

Mota Anflor, C. T., Hurtado-Agualimpia, J. D., Betancur-Arroyave, A. A., Carneiro , S. H. da S. y Vaz Goulart, J. N. (2025) «Microstructure influence on crack propagation behavior of nodular cast iron», DYNA, 92(238), pp. 93–102. doi: 10.15446/dyna.v92n238.117610.

MLA

Mota Anflor, C. T., J. D. Hurtado-Agualimpia, A. A. Betancur-Arroyave, S. H. da S. Carneiro, y J. N. Vaz Goulart. «Microstructure influence on crack propagation behavior of nodular cast iron». DYNA, vol. 92, n.º 238, julio de 2025, pp. 93-102, doi:10.15446/dyna.v92n238.117610.

Turabian

Mota Anflor, Carla Tatiana, José David Hurtado-Agualimpia, Adrián Alberto Betancur-Arroyave, Sergio Henrique da Silva Carneiro, y Jhon Nero Vaz Goulart. «Microstructure influence on crack propagation behavior of nodular cast iron». DYNA 92, no. 238 (julio 31, 2025): 93–102. Accedido diciembre 25, 2025. https://revistas.unal.edu.co/index.php/dyna/article/view/117610.

Vancouver

1.

Mota Anflor CT, Hurtado-Agualimpia JD, Betancur-Arroyave AA, Carneiro SH da S, Vaz Goulart JN. Microstructure influence on crack propagation behavior of nodular cast iron. DYNA [Internet]. 31 de julio de 2025 [citado 25 de diciembre de 2025];92(238):93-102. Disponible en: https://revistas.unal.edu.co/index.php/dyna/article/view/117610

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