Comparative Study of Partially Water-Soluble Metal Injection Moulding Feedstock Based on Inconel 718: The Effect of Polyethylene Glycol Molecular Weight on Rheology and Debinding

Kód výsledku v IS VaVaI

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Výsledek na webu

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DOI - Digital Object Identifier

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Jazyk výsledku

angličtina

Název v původním jazyce

Comparative Study of Partially Water-Soluble Metal Injection Moulding Feedstock Based on Inconel 718: The Effect of Polyethylene Glycol Molecular Weight on Rheology and Debinding

Popis výsledku v původním jazyce

Polyethylene glycol (PEG) is a common component of partially water-soluble binder systems used for metal injection moulding (MIM) feedstocks. After injection moulding, PEG is removed from the components by immersion in water. In this work, the processability of MIM feedstocks based on 59 vol. % of Inconel 718 powder in a binder system containing PEGs with molecular weight (Mw) varying in the range of 1,500 ? 20,000, poly (methyl methacrylate) and stearic acid was investigated. The results of the rheological analysis showed that viscosity of feedstocks with low Mw of PEG was more sensitive to temperature at higher shear rates, while at lower shear rates the opposite trend was found. Based on overall flow and debinding behaviour, the feedstock containingPEG with Mw of 8 000 was selected as the most suitable for the processing of Inconel 718 via MIM.

Název v anglickém jazyce

Comparative Study of Partially Water-Soluble Metal Injection Moulding Feedstock Based on Inconel 718: The Effect of Polyethylene Glycol Molecular Weight on Rheology and Debinding

Popis výsledku anglicky

Polyethylene glycol (PEG) is a common component of partially water-soluble binder systems used for metal injection moulding (MIM) feedstocks. After injection moulding, PEG is removed from the components by immersion in water. In this work, the processability of MIM feedstocks based on 59 vol. % of Inconel 718 powder in a binder system containing PEGs with molecular weight (Mw) varying in the range of 1,500 ? 20,000, poly (methyl methacrylate) and stearic acid was investigated. The results of the rheological analysis showed that viscosity of feedstocks with low Mw of PEG was more sensitive to temperature at higher shear rates, while at lower shear rates the opposite trend was found. Based on overall flow and debinding behaviour, the feedstock containingPEG with Mw of 8 000 was selected as the most suitable for the processing of Inconel 718 via MIM.

Druh

D - Stať ve sborníku

CEP obor

JJ - Ostatní materiály

OECD FORD obor

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Projekt

Výsledek vznikl pri realizaci vícero projektů. Více informací v záložce Projekty.

Návaznosti

P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)<br>S - Specificky vyzkum na vysokych skolach

Rok uplatnění

2014

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název statě ve sborníku

Proceedings Euro PM2014: International Powder Metallurgy Congress & Exhibition 21 - 24 September 2014

ISBN

978-1-899072-44-6

ISSN

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e-ISSN

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Počet stran výsledku

6

Strana od-do

"Neuvedeno"

Název nakladatele

European Powder Metallurgy Association

Místo vydání

Vienna

Místo konání akce

Salzburg

Datum konání akce

21. 9. 2014

Typ akce podle státní příslušnosti

EUR - Evropská akce

Kód UT WoS článku

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