DOI: 10.1557/jmr.1993.2810. An investigation of ductility and microstructural evolution in an Al−3% Mg alloy with submicron grain size

An investigation of ductility and microstructural evolution in an Al−3% Mg alloy with submicron grain size

10.1557/jmr.1993.2810

Crossref journal-article

Springer Science and Business Media LLC

Journal of Materials Research (297)

Abstract

A submicrometer-grained (SMG) Al−3% Mg solid solution alloy, with an initial grain size of ∼0.2 μm, was produced by intense plastic straining. Experiments show that tensile specimens of the SMG alloy exhibit high elongations to failure at low testing strain rates at the relatively low temperature of 403 K. The stress exponent is high (∼7–8) and calculations show deformation is within the region of power-law breakdown. The initial microstructure of the alloy consists of diffuse boundaries between highly deformed grains. At strain rates of ∼10−4 s−1 and lower, plastic deformation leads to dynamic recrystallization and the formation of highly nonequilibrium grain boundaries that gradually evolve into a more equilibrated configuration.

Bibliography

Wang, J., Horita, Z., Furukawa, M., Nemoto, M., Tsenev, N. K., Valiev, R. Z., Ma, Y., & Langdon, T. G. (1993). An investigation of ductility and microstructural evolution in an Alâ3% Mg alloy with submicron grain size. Journal of Materials Research, 8(11), 2810â2818.

Authors 8

Jingtao Wang (first)
Zenji Horita (additional)
Minoru Furukawa (additional)
Minoru Nemoto (additional)
Nikolai K. Tsenev (additional)
Ruslan Z. Valiev (additional)
Yan Ma (additional)
Terence G. Langdon (additional)

References 27 Referenced 193

{'key': 'S0884291400072022_ref027', 'first-page': '147', 'volume-title': 'Superplastic Forming of Structural Alloys', 'author': 'Lloyd', 'year': '1982'} / Superplastic Forming of Structural Alloys by Lloyd (1982)
10.1002/pssb.2220630151
10.1007/BF02642383
{'key': 'S0884291400072022_ref021', 'first-page': '113', 'volume-title': 'Proceedings of the Third International Conference on Creep and Fracture of Engineering Materials and Structures', 'author': 'Horita', 'year': '1987'} / Proceedings of the Third International Conference on Creep and Fracture of Engineering Materials and Structures by Horita (1987)
10.1016/0001-6160(84)90179-2
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{'key': 'S0884291400072022_ref007', 'first-page': '864', 'volume': '301', 'author': 'Valiev', 'year': '1988', 'journal-title': 'Dok. Akad. Nauk SSSR'} / Dok. Akad. Nauk SSSR by Valiev (1988)
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Dates

Type	When
Created	17 years, 11 months ago (Sept. 27, 2007, 6:43 a.m.)
Deposited	4 years, 6 months ago (Feb. 24, 2021, 4:49 p.m.)
Indexed	2 months, 1 week ago (June 26, 2025, 6:45 a.m.)
Issued	31 years, 10 months ago (Nov. 1, 1993)
Published	31 years, 10 months ago (Nov. 1, 1993)
Published Online	14 years, 6 months ago (March 3, 2011)
Published Print	31 years, 10 months ago (Nov. 1, 1993)

Funders 0

None

BibTeX

@article{Wang_1993, title={An investigation of ductility and microstructural evolution in an Al−3% Mg alloy with submicron grain size}, volume={8}, ISSN={2044-5326}, url={http://dx.doi.org/10.1557/jmr.1993.2810}, DOI={10.1557/jmr.1993.2810}, number={11}, journal={Journal of Materials Research}, publisher={Springer Science and Business Media LLC}, author={Wang, Jingtao and Horita, Zenji and Furukawa, Minoru and Nemoto, Minoru and Tsenev, Nikolai K. and Valiev, Ruslan Z. and Ma, Yan and Langdon, Terence G.}, year={1993}, month=nov, pages={2810–2818} }

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