Fracture and Structural Integrity e-ISSN 1971-8993 Open access
Miscellanea Vol. 16, No. 61 (2022)

Influence of Free Ferrite on the Mechanical Properties of High Strength Intercritical Austempered Ductile Iron

Author and affiliation details
  • Alejandro Daniel Basso INTEMA, Universidad Nacional de Mar del Plata-CONICET, Av. Colón 10850, Mar del Plata, B7606BVZ, Argentina ORCID iD0000-0002-6167-4426
  • Martin Caldera INTEMA, Universidad Nacional de Mar del Plata-CONICET, Av. Colón 10850, Mar del Plata, B7606BVZ, Argentina
  • Nicolás Emanuel Tenaglia INTEMA, Universidad Nacional de Mar del Plata-CONICET, Av. Colón 10850, Mar del Plata, B7606BVZ, Argentina
  • Diego Fernandino Corresponding author INTEMA, Universidad Nacional de Mar del Plata-CONICET, Av. Colón 10850, Mar del Plata, B7606BVZ, Argentina dfernandino@fi.mdp.edu.ar
  • Roberto Enrique Boeri INTEMA, Universidad Nacional de Mar del Plata-CONICET, Av. Colón 10850, Mar del Plata, B7606BVZ, Argentina ORCID iD0000-0001-7083-579X
DOI
10.3221/IGF-ESIS.61.35
Pages
519-529
Published
Licence
CC BY 4.0
Published inVol. 16, No. 61 (2022)Go to the issue

Abstract

The first stage of this study investigates the precipitation of free ferrite from the austenite on fully austenitized ductile iron. Several sets of samples of low alloy ductile iron are fully austenitized and then cooled down to different temperatures and different times within the intercritical austenite-ferrite-graphite phase field. Based on these results, heat treatment cycles aimed at obtaining microstructures composed of free ferrite and ausferrite are carried out. Tensile, impact and toughness tests are performed to characterize the mechanical properties. The results show that, related to the high strength austempered ductile iron grades, the best combinations of properties were obtained from the mixed structures composed of 5% free ferrite and 95% ausferrite, resulting from the austempering at 280°C. These amounts of free ferrite allow obtaining an increase of the elongation (about 50%) and impact toughness (about 10%) while the tensile strength and fracture toughness decrease by about 1.5 and 15% respectively.  

Keywords

Article history

  1. ReceivedUntil the next stage: 0 days
  2. AcceptedUntil the next stage: 10 days
  3. Published

How to cite

APA

Basso, A. D., Caldera, M., Tenaglia, N. E., Fernandino, D., & Boeri, R. E. (2022). Influence of Free Ferrite on the Mechanical Properties of High Strength Intercritical Austempered Ductile Iron. Fracture and Structural Integrity, 16(61), 519–529. https://doi.org/10.3221/IGF-ESIS.61.35

IEEE

A. D. Basso, M. Caldera, N. E. Tenaglia, D. Fernandino, and R. E. Boeri, “Influence of Free Ferrite on the Mechanical Properties of High Strength Intercritical Austempered Ductile Iron,” Fracture and Structural Integrity, vol. 16, no. 61, pp. 519–529, 2022, doi: 10.3221/IGF-ESIS.61.35.

MLA

Basso, Alejandro Daniel, et al. “Influence of Free Ferrite on the Mechanical Properties of High Strength Intercritical Austempered Ductile Iron.” Fracture and Structural Integrity, vol. 16, no. 61, 2022, pp. 519–529. https://doi.org/10.3221/IGF-ESIS.61.35.

Chicago

Basso, Alejandro Daniel, Martin Caldera, Nicolás Emanuel Tenaglia, Diego Fernandino, and Roberto Enrique Boeri. 2022. “Influence of Free Ferrite on the Mechanical Properties of High Strength Intercritical Austempered Ductile Iron.” Fracture and Structural Integrity 16 (61): 519–529. https://doi.org/10.3221/IGF-ESIS.61.35.

Harvard

Basso, A.D., Caldera, M., Tenaglia, N.E., Fernandino, D. and Boeri, R.E. (2022) ‘Influence of Free Ferrite on the Mechanical Properties of High Strength Intercritical Austempered Ductile Iron’, Fracture and Structural Integrity, 16(61), pp. 519–529. doi: 10.3221/IGF-ESIS.61.35.

Vancouver

Basso AD, Caldera M, Tenaglia NE, Fernandino D, Boeri RE. Influence of Free Ferrite on the Mechanical Properties of High Strength Intercritical Austempered Ductile Iron. Fracture and Structural Integrity. 2022;16(61):519-529. doi:10.3221/IGF-ESIS.61.35

BibTeX

@article{basso2022, author = {Basso, Alejandro Daniel and Caldera, Martin and Tenaglia, Nicolás Emanuel and Fernandino, Diego and Boeri, Roberto Enrique}, title = {Influence of Free Ferrite on the Mechanical Properties of High Strength Intercritical Austempered Ductile Iron}, journal = {Fracture and Structural Integrity}, year = {2022}, volume = {16}, number = {61}, pages = {519--529}, doi = {10.3221/IGF-ESIS.61.35}, url = {https://doi.org/10.3221/IGF-ESIS.61.35}, issn = {1971-8993} }

RIS

TY - JOUR AU - Basso, Alejandro Daniel AU - Caldera, Martin AU - Tenaglia, Nicolás Emanuel AU - Fernandino, Diego AU - Boeri, Roberto Enrique TI - Influence of Free Ferrite on the Mechanical Properties of High Strength Intercritical Austempered Ductile Iron JO - Fracture and Structural Integrity T2 - Fracture and Structural Integrity PY - 2022 DA - 2022/06/19 VL - 16 IS - 61 SP - 519 EP - 529 DO - 10.3221/IGF-ESIS.61.35 UR - https://doi.org/10.3221/IGF-ESIS.61.35 SN - 1971-8993 ER -

Licence

Creative Commons Attribution 4.0 International

May be shared and adapted, provided appropriate credit is given. Copyright © 2022 Alejandro Daniel Basso, Martin Caldera, Nicolás Emanuel Tenaglia, Diego Fernandino, Roberto Enrique Boeri.

Copyright 
Authors are allowed to retain both the copyright and the publishing rights of their articles without restrictions.  

Open Access Statement

Fracture and Structural Integrity (F&SI) is an open-access journal which means that all content is freely available without charge to the user or his/her institution. Users are allowed to read, download, copy, distribute, print, search, or link to the full texts of the articles in this journal without asking prior permission from the publisher or the author. This is in accordance with the DOAI definition of open access.

F&SI operates under the Creative Commons Licence Attribution 4.0 International (CC-BY 4.0). This allows to copy and redistribute the material in any medium or format, to remix, transform and build upon the material for any purpose, even commercially, but giving appropriate credit, providing a link to the license, and indicating if changes were made.

Similar articles

Most read articles by the same author(s)