Nanomechanical Analysis and Fractography of Extruded Mg-Dy-Nd Based Alloy Influenced by Solution Heat Treatment
Research output: Contributions to collected editions/works › Article in conference proceedings › Research › peer-review
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Magnesium Technology 2022. ed. / Petra Maier; Steven Barela; Victoria M. Miller; Neale R. Neelameggham. Cham: Springer Science and Business Media Deutschland GmbH, 2022. p. 181-187 (Minerals, Metals and Materials Series).
Research output: Contributions to collected editions/works › Article in conference proceedings › Research › peer-review
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TY - CHAP
T1 - Nanomechanical Analysis and Fractography of Extruded Mg-Dy-Nd Based Alloy Influenced by Solution Heat Treatment
AU - Maier, Petra
AU - Richter, Astra
AU - Clausius, Benjamin
AU - Hort, Nobert
N1 - Publisher Copyright: © 2022, The Minerals, Metals & Materials Society.
PY - 2022
Y1 - 2022
N2 - This study concentrates on nanomechanical analysis and fractography of an extruded Mg-Dy-Nd-Zn-Zr alloy in different microstructures. The focus here lies on the reduced elastic modulus evaluated from nanoindentation and the fracture behavior evaluated by scanning electron microscopy (SEM). The initial hot-extruded condition shows a fine-grained microstructure consisting of lamellar long-period stacking-ordered (LPSO) within the Mg-matrix and blocky LPSO-phases and precipitates. Solution heat treatment causes grain growth and dissolution of the LPSO phases and precipitates, the Mg-matrix becomes enriched by solid solution. Except for the blocky LPSO in the extruded microstructure, where the value is higher, the reduced elastic modulus does not change across the microstructural features. C-ring compression tests in Ringer solution were used to evaluate the fracture behavior, mostly transgranular cleavage facets with some ductile features are present. The amount of sub-cracks forming from the main crack are influenced by the heat treatment time. Blocky LPSO do not show very present on the fracture surface.
AB - This study concentrates on nanomechanical analysis and fractography of an extruded Mg-Dy-Nd-Zn-Zr alloy in different microstructures. The focus here lies on the reduced elastic modulus evaluated from nanoindentation and the fracture behavior evaluated by scanning electron microscopy (SEM). The initial hot-extruded condition shows a fine-grained microstructure consisting of lamellar long-period stacking-ordered (LPSO) within the Mg-matrix and blocky LPSO-phases and precipitates. Solution heat treatment causes grain growth and dissolution of the LPSO phases and precipitates, the Mg-matrix becomes enriched by solid solution. Except for the blocky LPSO in the extruded microstructure, where the value is higher, the reduced elastic modulus does not change across the microstructural features. C-ring compression tests in Ringer solution were used to evaluate the fracture behavior, mostly transgranular cleavage facets with some ductile features are present. The amount of sub-cracks forming from the main crack are influenced by the heat treatment time. Blocky LPSO do not show very present on the fracture surface.
KW - Engineering
KW - Magnesium
KW - Resoloy
KW - LPSO Phases
KW - Fractography
KW - Nanoindentation
KW - Reduced Modulus
UR - http://www.scopus.com/inward/record.url?scp=85125223275&partnerID=8YFLogxK
UR - https://www.mendeley.com/catalogue/d5d9cf80-df3a-3e39-85d3-a19daa53144e/
U2 - 10.1007/978-3-030-92533-8_31
DO - 10.1007/978-3-030-92533-8_31
M3 - Article in conference proceedings
SN - 9783030925321
SN - 978-3-030-92535-2
T3 - Minerals, Metals and Materials Series
SP - 181
EP - 187
BT - Magnesium Technology 2022
A2 - Maier, Petra
A2 - Barela, Steven
A2 - Miller, Victoria M.
A2 - Neelameggham, Neale R.
PB - Springer Science and Business Media Deutschland GmbH
CY - Cham
T2 - TMS 2022 Annual Meeting & Exhibition
Y2 - 27 February 2022 through 3 March 2022
ER -