Microstructural development of as-cast AM50 during Constrained Friction Processing: grain refinement and influence of process parameters

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Microstructural development of as-cast AM50 during Constrained Friction Processing: grain refinement and influence of process parameters. / de Castro, Camila C.; Shen, Junjun; dos Santos, Jorge F. et al.
in: Journal of Materials Processing Technology, Jahrgang 318, 118018, 01.09.2023.

Publikation: Beiträge in ZeitschriftenZeitschriftenaufsätzeForschung

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@article{8f5efa8d98f54a4d9477c1c3d4926e08,
title = "Microstructural development of as-cast AM50 during Constrained Friction Processing: grain refinement and influence of process parameters",
abstract = "Mg and its alloys have a wide range of structural applications despite the limitations regarding the workability and low ductility associated with its hexagonal closed-packed structure. The Constrained Friction Processing (CFP) is a novel processing technique, developed based on the refill friction stir spot welding process, that has been proposed as an interesting alternative that can help to overcome challenges associated with the processing of Mg and its alloys. This technique is shown to be able to produce homogenous fine-grained rods. Correlation between processing conditions and the evolved microstructure, i.e. texture and grain size, were established for AM50 rods. In the center, the produced rods present a strong B-fiber texture. As the distance from the center changes along the radial direction, there is a progressive outward tilt of the 〈0001〉 because of specific flow conditions during the processing. CFP is shown to be able to produce fine-grained rods with grain sizes comparable with other severe plastic deformation techniques, with advantages like no requirement of additional preheating and short processing times.",
keywords = "Constrained Friction Processing, solid-state processing, Mg alloys, microstructure, texture, grain refinement, Engineering",
author = "{de Castro}, {Camila C.} and Junjun Shen and {dos Santos}, {Jorge F.} and Benjamin Klusemann",
note = "Funding Information: The authors are grateful to Prof. Dr. Norbert Hort, Mr. G{\"u}nter Meister and Mr. Gert Wiese from Helmholtz-Zentrum Hereon, Institute of Metallic Biomaterials, for the provision of the ingots used in this study and the use of the metallographic preparation facilities. The author also would like to acknowledge Mr. Menno Peters and Mr. Ting Chen, from Helmholtz-Zentrum Hereon, Institute of Materials Mechanics, respectively for technical support and experimental assistance. Publisher Copyright: {\textcopyright} 2023 Elsevier B.V.",
year = "2023",
month = sep,
day = "1",
doi = "10.1016/j.jmatprotec.2023.118018",
language = "English",
volume = "318",
journal = "Journal of Materials Processing Technology",
issn = "0924-0136",
publisher = "Elsevier B.V.",

}

RIS

TY - JOUR

T1 - Microstructural development of as-cast AM50 during Constrained Friction Processing: grain refinement and influence of process parameters

AU - de Castro, Camila C.

AU - Shen, Junjun

AU - dos Santos, Jorge F.

AU - Klusemann, Benjamin

N1 - Funding Information: The authors are grateful to Prof. Dr. Norbert Hort, Mr. Günter Meister and Mr. Gert Wiese from Helmholtz-Zentrum Hereon, Institute of Metallic Biomaterials, for the provision of the ingots used in this study and the use of the metallographic preparation facilities. The author also would like to acknowledge Mr. Menno Peters and Mr. Ting Chen, from Helmholtz-Zentrum Hereon, Institute of Materials Mechanics, respectively for technical support and experimental assistance. Publisher Copyright: © 2023 Elsevier B.V.

PY - 2023/9/1

Y1 - 2023/9/1

N2 - Mg and its alloys have a wide range of structural applications despite the limitations regarding the workability and low ductility associated with its hexagonal closed-packed structure. The Constrained Friction Processing (CFP) is a novel processing technique, developed based on the refill friction stir spot welding process, that has been proposed as an interesting alternative that can help to overcome challenges associated with the processing of Mg and its alloys. This technique is shown to be able to produce homogenous fine-grained rods. Correlation between processing conditions and the evolved microstructure, i.e. texture and grain size, were established for AM50 rods. In the center, the produced rods present a strong B-fiber texture. As the distance from the center changes along the radial direction, there is a progressive outward tilt of the 〈0001〉 because of specific flow conditions during the processing. CFP is shown to be able to produce fine-grained rods with grain sizes comparable with other severe plastic deformation techniques, with advantages like no requirement of additional preheating and short processing times.

AB - Mg and its alloys have a wide range of structural applications despite the limitations regarding the workability and low ductility associated with its hexagonal closed-packed structure. The Constrained Friction Processing (CFP) is a novel processing technique, developed based on the refill friction stir spot welding process, that has been proposed as an interesting alternative that can help to overcome challenges associated with the processing of Mg and its alloys. This technique is shown to be able to produce homogenous fine-grained rods. Correlation between processing conditions and the evolved microstructure, i.e. texture and grain size, were established for AM50 rods. In the center, the produced rods present a strong B-fiber texture. As the distance from the center changes along the radial direction, there is a progressive outward tilt of the 〈0001〉 because of specific flow conditions during the processing. CFP is shown to be able to produce fine-grained rods with grain sizes comparable with other severe plastic deformation techniques, with advantages like no requirement of additional preheating and short processing times.

KW - Constrained Friction Processing

KW - solid-state processing

KW - Mg alloys

KW - microstructure

KW - texture

KW - grain refinement

KW - Engineering

UR - https://www.mendeley.com/catalogue/8e4767df-d844-3dc4-ad09-c967de486e67/

UR - http://www.scopus.com/inward/record.url?scp=85159788614&partnerID=8YFLogxK

U2 - 10.1016/j.jmatprotec.2023.118018

DO - 10.1016/j.jmatprotec.2023.118018

M3 - Journal articles

VL - 318

JO - Journal of Materials Processing Technology

JF - Journal of Materials Processing Technology

SN - 0924-0136

M1 - 118018

ER -

DOI

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