Fracture and Structural Integrity e-ISSN 1971-8993 Open access
Miscellanea Vol. 9, No. 34 (2015)

Degenerated graphite nodules influence on fatigue crack paths in a ferritic ductile cast iron

Author and affiliation details
DOI
10.3221/IGF-ESIS.34.45
Published
Published inVol. 9, No. 34 (2015)Go to the issue

Abstract

Focusing on ferritic-pearlitic DCIs, these alloys are characterized by a microstructure that ranges
from a fully ferritic to a completely pearlitic matrix, and they are widely used for many applications (e.g. wheels,
gears, crankshafts in cars, exhaust manifolds, valves, flywheels, boxes bearings, hubs, shafts, valves, flanges,
pipelines ...). Considering the graphite elements, their morphology can be considered as degenerated when its
nodularity is too low and this can be due to different causes (e.g., a partially failed nodularization process or a
wrong inoculant). In this work, a ferritic DCI with degenerated nodules was obtained by means of an annealing
treatment and the fatigue crack propagation resistance was investigated by means of fatigue crack propagation
tests performed according to ASTM E647, focusing on the influence of degenerated graphite nodules on the
fatigue crack paths. This analysis was performed both analysing the crack path profile by means of a scanning
electron microscope (SEM) and by means of a SEM fracture surfaces analysis.

Keywords

Article history

  1. ReceivedUntil the next stage: 0 days
  2. AcceptedUntil the next stage: 0 days
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How to cite

APA

Iacoviello, F., & Di Cocco, V. (2015). Degenerated graphite nodules influence on fatigue crack paths in a ferritic ductile cast iron. Fracture and Structural Integrity, 9(34). https://doi.org/10.3221/IGF-ESIS.34.45

IEEE

F. Iacoviello and V. Di Cocco, “Degenerated graphite nodules influence on fatigue crack paths in a ferritic ductile cast iron,” Fracture and Structural Integrity, vol. 9, no. 34, 2015, doi: 10.3221/IGF-ESIS.34.45.

MLA

Iacoviello, Francesco, and Vittorio Di Cocco. “Degenerated graphite nodules influence on fatigue crack paths in a ferritic ductile cast iron.” Fracture and Structural Integrity, vol. 9, no. 34, 2015. https://doi.org/10.3221/IGF-ESIS.34.45.

Chicago

Iacoviello, Francesco, and Vittorio Di Cocco. 2015. “Degenerated graphite nodules influence on fatigue crack paths in a ferritic ductile cast iron.” Fracture and Structural Integrity 9 (34). https://doi.org/10.3221/IGF-ESIS.34.45.

Harvard

Iacoviello, F. and Di Cocco, V. (2015) ‘Degenerated graphite nodules influence on fatigue crack paths in a ferritic ductile cast iron’, Fracture and Structural Integrity, 9(34). doi: 10.3221/IGF-ESIS.34.45.

Vancouver

Iacoviello F, Di Cocco V. Degenerated graphite nodules influence on fatigue crack paths in a ferritic ductile cast iron. Fracture and Structural Integrity. 2015;9(34). doi:10.3221/IGF-ESIS.34.45

BibTeX

@article{iacoviello2015, author = {Iacoviello, Francesco and Di Cocco, Vittorio}, title = {Degenerated graphite nodules influence on fatigue crack paths in a ferritic ductile cast iron}, journal = {Fracture and Structural Integrity}, year = {2015}, volume = {9}, number = {34}, doi = {10.3221/IGF-ESIS.34.45}, url = {https://doi.org/10.3221/IGF-ESIS.34.45}, issn = {1971-8993} }

RIS

TY - JOUR AU - Iacoviello, Francesco AU - Di Cocco, Vittorio TI - Degenerated graphite nodules influence on fatigue crack paths in a ferritic ductile cast iron JO - Fracture and Structural Integrity T2 - Fracture and Structural Integrity PY - 2015 DA - 2015/09/28 VL - 9 IS - 34 DO - 10.3221/IGF-ESIS.34.45 UR - https://doi.org/10.3221/IGF-ESIS.34.45 SN - 1971-8993 ER -

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