Experimental investigation of temperature distribution during wire-based laser metal deposition of the Al-Mg alloy 5087

Publikation: Beiträge in ZeitschriftenKonferenzaufsätze in FachzeitschriftenForschungbegutachtet

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Experimental investigation of temperature distribution during wire-based laser metal deposition of the Al-Mg alloy 5087. / Frönd, Martin; Bock, Frederic E. ; Riekehr, Stefan et al.
in: Materials Science Forum, Jahrgang 941, 01.12.2018, S. 988-994.

Publikation: Beiträge in ZeitschriftenKonferenzaufsätze in FachzeitschriftenForschungbegutachtet

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Frönd M, Bock FE, Riekehr S, Kashaev N, Klusemann B, Enz J. Experimental investigation of temperature distribution during wire-based laser metal deposition of the Al-Mg alloy 5087. Materials Science Forum. 2018 Dez 1;941:988-994. doi: 10.4028/www.scientific.net/MSF.941.988

Bibtex

@article{86b709c87ae544e2a852d3633945d351,
title = "Experimental investigation of temperature distribution during wire-based laser metal deposition of the Al-Mg alloy 5087",
abstract = "Wire-based laser metal deposition enables to manufacture large-scale components with deposition rates significant higher compared to powder-based laser additive manufacturing techniques, which are currently working with deposition rates of only a few hundred gram per hour. However, the wire-based approach requires a significant amount of laser power in the range of several kilowatts instead of only a few hundred watts for powder-based processes. This excessive heat input during laser metal deposition can lead to process instabilities such as a non-uniform material deposition and to a limited processability, respectively. Although, numerous possibilities to monitor temperature evolution during processing exist, there is still a lack of knowledge regarding the relationship between temperature and geometric shape of the deposited structure. Due to changing cooling conditions with increasing distance to the substrate material, producing a wall-like structure results in varying heights of the individual tracks. This presents challenges for the deposition of high wall-like structures and limits the use of constant process parameters. In the present study, the temperature evolution during laser metal deposition of AA5087 using constant process parameters is investigated and a scheme for process parameter adaptions in order to reduce residual stress induced componential distortions is suggested. ",
keywords = "Engineering, Additive manufacturing technology, aluminium alloy, laser metal deposition, Aluminium alloy, Laser Additive Manufacturing, laser metal deposition, Process Parameters, Temperature Evolution",
author = "Martin Fr{\"o}nd and Bock, {Frederic E.} and Stefan Riekehr and Nikolai Kashaev and Benjamin Klusemann and Josephin Enz",
year = "2018",
month = dec,
day = "1",
doi = "10.4028/www.scientific.net/MSF.941.988",
language = "English",
volume = "941",
pages = "988--994",
journal = "Materials Science Forum",
issn = "0255-5476",
publisher = "Trans Tech Publications",
note = "International Conference on PROCESSING & MANUFACTURING OF ADVANCED MATERIALS - THERMEC 2018 : Processing, Fabrication, Properties, Applications, THERMEC 2018 ; Conference date: 08-07-2018 Through 13-07-2018",
url = "https://thermec2018.sciencesconf.org/",

}

RIS

TY - JOUR

T1 - Experimental investigation of temperature distribution during wire-based laser metal deposition of the Al-Mg alloy 5087

AU - Frönd, Martin

AU - Bock, Frederic E.

AU - Riekehr, Stefan

AU - Kashaev, Nikolai

AU - Klusemann, Benjamin

AU - Enz, Josephin

PY - 2018/12/1

Y1 - 2018/12/1

N2 - Wire-based laser metal deposition enables to manufacture large-scale components with deposition rates significant higher compared to powder-based laser additive manufacturing techniques, which are currently working with deposition rates of only a few hundred gram per hour. However, the wire-based approach requires a significant amount of laser power in the range of several kilowatts instead of only a few hundred watts for powder-based processes. This excessive heat input during laser metal deposition can lead to process instabilities such as a non-uniform material deposition and to a limited processability, respectively. Although, numerous possibilities to monitor temperature evolution during processing exist, there is still a lack of knowledge regarding the relationship between temperature and geometric shape of the deposited structure. Due to changing cooling conditions with increasing distance to the substrate material, producing a wall-like structure results in varying heights of the individual tracks. This presents challenges for the deposition of high wall-like structures and limits the use of constant process parameters. In the present study, the temperature evolution during laser metal deposition of AA5087 using constant process parameters is investigated and a scheme for process parameter adaptions in order to reduce residual stress induced componential distortions is suggested.

AB - Wire-based laser metal deposition enables to manufacture large-scale components with deposition rates significant higher compared to powder-based laser additive manufacturing techniques, which are currently working with deposition rates of only a few hundred gram per hour. However, the wire-based approach requires a significant amount of laser power in the range of several kilowatts instead of only a few hundred watts for powder-based processes. This excessive heat input during laser metal deposition can lead to process instabilities such as a non-uniform material deposition and to a limited processability, respectively. Although, numerous possibilities to monitor temperature evolution during processing exist, there is still a lack of knowledge regarding the relationship between temperature and geometric shape of the deposited structure. Due to changing cooling conditions with increasing distance to the substrate material, producing a wall-like structure results in varying heights of the individual tracks. This presents challenges for the deposition of high wall-like structures and limits the use of constant process parameters. In the present study, the temperature evolution during laser metal deposition of AA5087 using constant process parameters is investigated and a scheme for process parameter adaptions in order to reduce residual stress induced componential distortions is suggested.

KW - Engineering

KW - Additive manufacturing technology

KW - aluminium alloy

KW - laser metal deposition

KW - Aluminium alloy

KW - Laser Additive Manufacturing

KW - laser metal deposition

KW - Process Parameters

KW - Temperature Evolution

U2 - 10.4028/www.scientific.net/MSF.941.988

DO - 10.4028/www.scientific.net/MSF.941.988

M3 - Conference article in journal

VL - 941

SP - 988

EP - 994

JO - Materials Science Forum

JF - Materials Science Forum

SN - 0255-5476

T2 - International Conference on PROCESSING & MANUFACTURING OF ADVANCED MATERIALS - THERMEC 2018

Y2 - 8 July 2018 through 13 July 2018

ER -

DOI