Modelling of Powder Removal for Additive Manufacture Postprocessing

A critical challenge underpinning the adoption of Additive Manufacture (AM) as a technology is the postprocessing of manufactured components. For Powder Bed Fusion (PBF), this can involve the removal of powder from the interior of the component, often by vibrating the component to fluidise the powde...
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Autor*in:	Andrew Roberts [verfasserIn] Recep Kahraman [verfasserIn] Desi Bacheva [verfasserIn] Gavin Tabor [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2021

Schlagwörter:	Powder Bed Fusion metal powder manufacturing post processing Eulerian model Computational Fluid Dynamics granular flow

Übergeordnetes Werk:	In: Journal of Manufacturing and Materials Processing - MDPI AG, 2018, 5(2021), 3, p 86
Übergeordnetes Werk:	volume:5 ; year:2021 ; number:3, p 86

Links:	Link aufrufen Link aufrufen Link aufrufen Journal toc

DOI / URN:	10.3390/jmmp5030086

Katalog-ID:	DOAJ005156459

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520			\|a A critical challenge underpinning the adoption of Additive Manufacture (AM) as a technology is the postprocessing of manufactured components. For Powder Bed Fusion (PBF), this can involve the removal of powder from the interior of the component, often by vibrating the component to fluidise the powder to encourage drainage. In this paper, we develop and validate a computational model of the flow of metal powder suitable for predicting powder removal from such AM components. The model is a continuum Eulerian multiphase model of the powder including models for the granular temperature; the effect of vibration can be included through appropriate wall boundaries for this granular temperature. We validate the individual sub-models appropriate for AM metal powders by comparison with in-house and literature experimental results, and then apply the full model to a more complex geometry typical of an AM Heat Exchanger. The model is shown to provide valuable and accurate results at a fraction of the computational cost of a particle-based model.
650		4	\|a Powder Bed Fusion
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allfieldsGer	10.3390/jmmp5030086 doi (DE-627)DOAJ005156459 (DE-599)DOAJ8594ab25239c4c46afa11cbca8474f3a DE-627 ger DE-627 rakwb eng T58.7-58.8 Andrew Roberts verfasserin aut Modelling of Powder Removal for Additive Manufacture Postprocessing 2021 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier A critical challenge underpinning the adoption of Additive Manufacture (AM) as a technology is the postprocessing of manufactured components. For Powder Bed Fusion (PBF), this can involve the removal of powder from the interior of the component, often by vibrating the component to fluidise the powder to encourage drainage. In this paper, we develop and validate a computational model of the flow of metal powder suitable for predicting powder removal from such AM components. The model is a continuum Eulerian multiphase model of the powder including models for the granular temperature; the effect of vibration can be included through appropriate wall boundaries for this granular temperature. We validate the individual sub-models appropriate for AM metal powders by comparison with in-house and literature experimental results, and then apply the full model to a more complex geometry typical of an AM Heat Exchanger. The model is shown to provide valuable and accurate results at a fraction of the computational cost of a particle-based model. Powder Bed Fusion metal powder manufacturing post processing Eulerian model Computational Fluid Dynamics granular flow Production capacity. Manufacturing capacity Recep Kahraman verfasserin aut Desi Bacheva verfasserin aut Gavin Tabor verfasserin aut In Journal of Manufacturing and Materials Processing MDPI AG, 2018 5(2021), 3, p 86 (DE-627)1004948336 25044494 nnns volume:5 year:2021 number:3, p 86 https://doi.org/10.3390/jmmp5030086 kostenfrei https://doaj.org/article/8594ab25239c4c46afa11cbca8474f3a kostenfrei https://www.mdpi.com/2504-4494/5/3/86 kostenfrei https://doaj.org/toc/2504-4494 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 5 2021 3, p 86
allfieldsSound	10.3390/jmmp5030086 doi (DE-627)DOAJ005156459 (DE-599)DOAJ8594ab25239c4c46afa11cbca8474f3a DE-627 ger DE-627 rakwb eng T58.7-58.8 Andrew Roberts verfasserin aut Modelling of Powder Removal for Additive Manufacture Postprocessing 2021 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier A critical challenge underpinning the adoption of Additive Manufacture (AM) as a technology is the postprocessing of manufactured components. For Powder Bed Fusion (PBF), this can involve the removal of powder from the interior of the component, often by vibrating the component to fluidise the powder to encourage drainage. In this paper, we develop and validate a computational model of the flow of metal powder suitable for predicting powder removal from such AM components. The model is a continuum Eulerian multiphase model of the powder including models for the granular temperature; the effect of vibration can be included through appropriate wall boundaries for this granular temperature. We validate the individual sub-models appropriate for AM metal powders by comparison with in-house and literature experimental results, and then apply the full model to a more complex geometry typical of an AM Heat Exchanger. The model is shown to provide valuable and accurate results at a fraction of the computational cost of a particle-based model. Powder Bed Fusion metal powder manufacturing post processing Eulerian model Computational Fluid Dynamics granular flow Production capacity. Manufacturing capacity Recep Kahraman verfasserin aut Desi Bacheva verfasserin aut Gavin Tabor verfasserin aut In Journal of Manufacturing and Materials Processing MDPI AG, 2018 5(2021), 3, p 86 (DE-627)1004948336 25044494 nnns volume:5 year:2021 number:3, p 86 https://doi.org/10.3390/jmmp5030086 kostenfrei https://doaj.org/article/8594ab25239c4c46afa11cbca8474f3a kostenfrei https://www.mdpi.com/2504-4494/5/3/86 kostenfrei https://doaj.org/toc/2504-4494 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 5 2021 3, p 86
language	English
source	In Journal of Manufacturing and Materials Processing 5(2021), 3, p 86 volume:5 year:2021 number:3, p 86
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topic_facet	Powder Bed Fusion metal powder manufacturing post processing Eulerian model Computational Fluid Dynamics granular flow Production capacity. Manufacturing capacity
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callnumber-first	T - Technology
author	Andrew Roberts
spellingShingle	Andrew Roberts misc T58.7-58.8 misc Powder Bed Fusion misc metal powder manufacturing misc post processing misc Eulerian model misc Computational Fluid Dynamics misc granular flow misc Production capacity. Manufacturing capacity Modelling of Powder Removal for Additive Manufacture Postprocessing
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topic_title	T58.7-58.8 Modelling of Powder Removal for Additive Manufacture Postprocessing Powder Bed Fusion metal powder manufacturing post processing Eulerian model Computational Fluid Dynamics granular flow
topic	misc T58.7-58.8 misc Powder Bed Fusion misc metal powder manufacturing misc post processing misc Eulerian model misc Computational Fluid Dynamics misc granular flow misc Production capacity. Manufacturing capacity
topic_unstemmed	misc T58.7-58.8 misc Powder Bed Fusion misc metal powder manufacturing misc post processing misc Eulerian model misc Computational Fluid Dynamics misc granular flow misc Production capacity. Manufacturing capacity
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title	Modelling of Powder Removal for Additive Manufacture Postprocessing
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title_sort	modelling of powder removal for additive manufacture postprocessing
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title_auth	Modelling of Powder Removal for Additive Manufacture Postprocessing
abstract	A critical challenge underpinning the adoption of Additive Manufacture (AM) as a technology is the postprocessing of manufactured components. For Powder Bed Fusion (PBF), this can involve the removal of powder from the interior of the component, often by vibrating the component to fluidise the powder to encourage drainage. In this paper, we develop and validate a computational model of the flow of metal powder suitable for predicting powder removal from such AM components. The model is a continuum Eulerian multiphase model of the powder including models for the granular temperature; the effect of vibration can be included through appropriate wall boundaries for this granular temperature. We validate the individual sub-models appropriate for AM metal powders by comparison with in-house and literature experimental results, and then apply the full model to a more complex geometry typical of an AM Heat Exchanger. The model is shown to provide valuable and accurate results at a fraction of the computational cost of a particle-based model.
abstractGer	A critical challenge underpinning the adoption of Additive Manufacture (AM) as a technology is the postprocessing of manufactured components. For Powder Bed Fusion (PBF), this can involve the removal of powder from the interior of the component, often by vibrating the component to fluidise the powder to encourage drainage. In this paper, we develop and validate a computational model of the flow of metal powder suitable for predicting powder removal from such AM components. The model is a continuum Eulerian multiphase model of the powder including models for the granular temperature; the effect of vibration can be included through appropriate wall boundaries for this granular temperature. We validate the individual sub-models appropriate for AM metal powders by comparison with in-house and literature experimental results, and then apply the full model to a more complex geometry typical of an AM Heat Exchanger. The model is shown to provide valuable and accurate results at a fraction of the computational cost of a particle-based model.
abstract_unstemmed	A critical challenge underpinning the adoption of Additive Manufacture (AM) as a technology is the postprocessing of manufactured components. For Powder Bed Fusion (PBF), this can involve the removal of powder from the interior of the component, often by vibrating the component to fluidise the powder to encourage drainage. In this paper, we develop and validate a computational model of the flow of metal powder suitable for predicting powder removal from such AM components. The model is a continuum Eulerian multiphase model of the powder including models for the granular temperature; the effect of vibration can be included through appropriate wall boundaries for this granular temperature. We validate the individual sub-models appropriate for AM metal powders by comparison with in-house and literature experimental results, and then apply the full model to a more complex geometry typical of an AM Heat Exchanger. The model is shown to provide valuable and accurate results at a fraction of the computational cost of a particle-based model.
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title_short	Modelling of Powder Removal for Additive Manufacture Postprocessing
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