Temperature-dependent mechanical behavior of aluminum AM structures generated via multi-layer friction surfacing

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Temperature-dependent mechanical behavior of aluminum AM structures generated via multi-layer friction surfacing. / Kallien, Zina; Roos, Arne; Knothe-Horstmann, Christian et al.
In: Materials Science & Engineering A, Vol. 871, 144872, 26.04.2023.

Research output: Journal contributionsJournal articlesResearch

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@article{ddb00ff57b2e41be8cb5062103c51811,
title = "Temperature-dependent mechanical behavior of aluminum AM structures generated via multi-layer friction surfacing",
abstract = "Multi-layer friction surfacing (MLFS) is a solid state layer deposition technology for metals. In order to make use of the potential of MLFS as technology for additive manufacturing, the material properties of MLFS built structures have to be investigated and understood in detail. This study presents a comprehensive analysis of the mechanical properties of MLFS deposited material from micro-flat tensile testing (MFTT) at elevated temperatures. The specimens obtained from the fine-grained MLFS structures show a slightly higher tensile strength at room temperature but lower tensile strength at testing temperatures of 300 °C and above compared to the stud base material. No significant gradient along the MLFS structure could be observed in terms of mechanical properties. The analyses of fracture surfaces and microstructure of tested MFTT specimens provide insights to deformation mechanism of MLFS deposited and consumable stud material. Especially at high testing temperatures of 500 °C, MLFS deposited structure shows abnormal grain growth which results in the observed tensile behavior.",
keywords = "Engineering, Additive manufacturing, Aluminum alloys, Friction surfacing, Solid state layer deposition, Temperature, Tensile strength",
author = "Zina Kallien and Arne Roos and Christian Knothe-Horstmann and Benjamin Klusemann",
note = "Publisher Copyright: {\textcopyright} 2023 The Authors",
year = "2023",
month = apr,
day = "26",
doi = "10.1016/j.msea.2023.144872",
language = "English",
volume = "871",
journal = "Materials Science & Engineering A",
issn = "0921-5093",
publisher = "Elsevier Ltd",

}

RIS

TY - JOUR

T1 - Temperature-dependent mechanical behavior of aluminum AM structures generated via multi-layer friction surfacing

AU - Kallien, Zina

AU - Roos, Arne

AU - Knothe-Horstmann, Christian

AU - Klusemann, Benjamin

N1 - Publisher Copyright: © 2023 The Authors

PY - 2023/4/26

Y1 - 2023/4/26

N2 - Multi-layer friction surfacing (MLFS) is a solid state layer deposition technology for metals. In order to make use of the potential of MLFS as technology for additive manufacturing, the material properties of MLFS built structures have to be investigated and understood in detail. This study presents a comprehensive analysis of the mechanical properties of MLFS deposited material from micro-flat tensile testing (MFTT) at elevated temperatures. The specimens obtained from the fine-grained MLFS structures show a slightly higher tensile strength at room temperature but lower tensile strength at testing temperatures of 300 °C and above compared to the stud base material. No significant gradient along the MLFS structure could be observed in terms of mechanical properties. The analyses of fracture surfaces and microstructure of tested MFTT specimens provide insights to deformation mechanism of MLFS deposited and consumable stud material. Especially at high testing temperatures of 500 °C, MLFS deposited structure shows abnormal grain growth which results in the observed tensile behavior.

AB - Multi-layer friction surfacing (MLFS) is a solid state layer deposition technology for metals. In order to make use of the potential of MLFS as technology for additive manufacturing, the material properties of MLFS built structures have to be investigated and understood in detail. This study presents a comprehensive analysis of the mechanical properties of MLFS deposited material from micro-flat tensile testing (MFTT) at elevated temperatures. The specimens obtained from the fine-grained MLFS structures show a slightly higher tensile strength at room temperature but lower tensile strength at testing temperatures of 300 °C and above compared to the stud base material. No significant gradient along the MLFS structure could be observed in terms of mechanical properties. The analyses of fracture surfaces and microstructure of tested MFTT specimens provide insights to deformation mechanism of MLFS deposited and consumable stud material. Especially at high testing temperatures of 500 °C, MLFS deposited structure shows abnormal grain growth which results in the observed tensile behavior.

KW - Engineering

KW - Additive manufacturing

KW - Aluminum alloys

KW - Friction surfacing

KW - Solid state layer deposition

KW - Temperature

KW - Tensile strength

UR - http://www.scopus.com/inward/record.url?scp=85149893259&partnerID=8YFLogxK

UR - https://www.mendeley.com/catalogue/51923714-63ac-3aec-9d1c-dcb7f6950615/

U2 - 10.1016/j.msea.2023.144872

DO - 10.1016/j.msea.2023.144872

M3 - Journal articles

VL - 871

JO - Materials Science & Engineering A

JF - Materials Science & Engineering A

SN - 0921-5093

M1 - 144872

ER -

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