Dynamic behavior of an AZ31 alloy under varying strain rates and stress triaxialities

C. Kale; M. Rajagopalan; S. Turnage; B. Hornbuckle; K. Darling; S. N. Mathaudhu; Kiran Solanki

doi:10.1007/978-3-319-52392-7_36

Dynamic behavior of an AZ31 alloy under varying strain rates and stress triaxialities

C. Kale, M. Rajagopalan, S. Turnage, B. Hornbuckle, K. Darling, S. N. Mathaudhu, Kiran Solanki

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

1 Scopus citations

Abstract

Determination of microstructural and mechanical response to real-world loading conditions is imperative for the development of accurate models to predict the failure behavior of structural materials. The dynamic behavior of magnesium alloys is of particular interest to structural industries as lightweight materials must be able to withstand high impact loading. This study examines the influence of dynamic strain rate on the deformation behavior of a polycrystalline, hot-rolled AZ31 Mg alloy under varying stress triaxialities. The high strain rate testing results indicate that an increase in triaxiality leads to a transition in the deformation mechanisms. Subsequent characterization of microstructure and fracture surfaces were correlated to the mechanical response observed. Finally, these findings provide critical insights into the role of stress-state on dynamic behavior of an AZ31 alloy.

Original language	English (US)
Title of host publication	Magnesium Technology 2017
Editors	Neale R. Neelameggham, Alok Singh, Kiran N. Solanki, Dmytro Orlov
Publisher	Springer International Publishing
Pages	247-251
Number of pages	5
ISBN (Print)	9783319523910
DOIs	https://doi.org/10.1007/978-3-319-52392-7_36
State	Published - 2017
Event	International Symposium on Magnesium Technology, 2017 - San Diego, United States Duration: Feb 26 2017 → Mar 2 2017

Publication series

Name	Minerals, Metals and Materials Series
Volume	Part F8
ISSN (Print)	2367-1181
ISSN (Electronic)	2367-1696

Other

Other	International Symposium on Magnesium Technology, 2017
Country	United States
City	San Diego
Period	2/26/17 → 3/2/17

Keywords

High strain rate
Strain-path changes
Stress triaxiality

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Energy Engineering and Power Technology
Mechanics of Materials
Metals and Alloys
Materials Chemistry

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Kale, C., Rajagopalan, M., Turnage, S., Hornbuckle, B., Darling, K., Mathaudhu, S. N., & Solanki, K. (2017). Dynamic behavior of an AZ31 alloy under varying strain rates and stress triaxialities. In N. R. Neelameggham, A. Singh, K. N. Solanki, & D. Orlov (Eds.), Magnesium Technology 2017 (pp. 247-251). (Minerals, Metals and Materials Series; Vol. Part F8). Springer International Publishing. https://doi.org/10.1007/978-3-319-52392-7_36

Dynamic behavior of an AZ31 alloy under varying strain rates and stress triaxialities. / Kale, C.; Rajagopalan, M.; Turnage, S.; Hornbuckle, B.; Darling, K.; Mathaudhu, S. N.; Solanki, Kiran.

Magnesium Technology 2017. ed. / Neale R. Neelameggham; Alok Singh; Kiran N. Solanki; Dmytro Orlov. Springer International Publishing, 2017. p. 247-251 (Minerals, Metals and Materials Series; Vol. Part F8).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Kale, C, Rajagopalan, M, Turnage, S, Hornbuckle, B, Darling, K, Mathaudhu, SN & Solanki, K 2017, Dynamic behavior of an AZ31 alloy under varying strain rates and stress triaxialities. in NR Neelameggham, A Singh, KN Solanki & D Orlov (eds), Magnesium Technology 2017. Minerals, Metals and Materials Series, vol. Part F8, Springer International Publishing, pp. 247-251, International Symposium on Magnesium Technology, 2017, San Diego, United States, 2/26/17. https://doi.org/10.1007/978-3-319-52392-7_36

Kale C, Rajagopalan M, Turnage S, Hornbuckle B, Darling K, Mathaudhu SN et al. Dynamic behavior of an AZ31 alloy under varying strain rates and stress triaxialities. In Neelameggham NR, Singh A, Solanki KN, Orlov D, editors, Magnesium Technology 2017. Springer International Publishing. 2017. p. 247-251. (Minerals, Metals and Materials Series). https://doi.org/10.1007/978-3-319-52392-7_36

Kale, C. ; Rajagopalan, M. ; Turnage, S. ; Hornbuckle, B. ; Darling, K. ; Mathaudhu, S. N. ; Solanki, Kiran. / Dynamic behavior of an AZ31 alloy under varying strain rates and stress triaxialities. Magnesium Technology 2017. editor / Neale R. Neelameggham ; Alok Singh ; Kiran N. Solanki ; Dmytro Orlov. Springer International Publishing, 2017. pp. 247-251 (Minerals, Metals and Materials Series).

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abstract = "Determination of microstructural and mechanical response to real-world loading conditions is imperative for the development of accurate models to predict the failure behavior of structural materials. The dynamic behavior of magnesium alloys is of particular interest to structural industries as lightweight materials must be able to withstand high impact loading. This study examines the influence of dynamic strain rate on the deformation behavior of a polycrystalline, hot-rolled AZ31 Mg alloy under varying stress triaxialities. The high strain rate testing results indicate that an increase in triaxiality leads to a transition in the deformation mechanisms. Subsequent characterization of microstructure and fracture surfaces were correlated to the mechanical response observed. Finally, these findings provide critical insights into the role of stress-state on dynamic behavior of an AZ31 alloy.",

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note = "Funding Information: Acknowledgements The authors acknowledge the support of National Science Foundation via award numbers 1463656 and 1463679. Also the authors would like to acknowledge the use of facilities within the LeRoy Eyring Center of Solid State Science at Arizona State University. Publisher Copyright: {\textcopyright} The Minerals, Metals & Materials Society 2017.; International Symposium on Magnesium Technology, 2017 ; Conference date: 26-02-2017 Through 02-03-2017",

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N2 - Determination of microstructural and mechanical response to real-world loading conditions is imperative for the development of accurate models to predict the failure behavior of structural materials. The dynamic behavior of magnesium alloys is of particular interest to structural industries as lightweight materials must be able to withstand high impact loading. This study examines the influence of dynamic strain rate on the deformation behavior of a polycrystalline, hot-rolled AZ31 Mg alloy under varying stress triaxialities. The high strain rate testing results indicate that an increase in triaxiality leads to a transition in the deformation mechanisms. Subsequent characterization of microstructure and fracture surfaces were correlated to the mechanical response observed. Finally, these findings provide critical insights into the role of stress-state on dynamic behavior of an AZ31 alloy.

AB - Determination of microstructural and mechanical response to real-world loading conditions is imperative for the development of accurate models to predict the failure behavior of structural materials. The dynamic behavior of magnesium alloys is of particular interest to structural industries as lightweight materials must be able to withstand high impact loading. This study examines the influence of dynamic strain rate on the deformation behavior of a polycrystalline, hot-rolled AZ31 Mg alloy under varying stress triaxialities. The high strain rate testing results indicate that an increase in triaxiality leads to a transition in the deformation mechanisms. Subsequent characterization of microstructure and fracture surfaces were correlated to the mechanical response observed. Finally, these findings provide critical insights into the role of stress-state on dynamic behavior of an AZ31 alloy.

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Dynamic behavior of an AZ31 alloy under varying strain rates and stress triaxialities

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