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Effect of Laser Pow...
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Choudary Ratnala, Dilipkumar,DoktorandHögskolan Väst,Avdelningen för svetsteknologi (SV),KAMPT
(författare)
Effect of Laser Power on the Deposition of Alloy 718 Powder on Alumina Substrate Using Laser Directed Energy Deposition : A Single-Track Study
- Artikel/kapitelEngelska2024
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IOS Press,2024
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electronicrdacarrier
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LIBRIS-ID:oai:DiVA.org:hv-21505
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https://urn.kb.se/resolve?urn=urn:nbn:se:hv:diva-21505URI
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https://doi.org/10.3233/atde240158DOI
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Språk:engelska
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Sammanfattning på:engelska
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Ämneskategori:ref swepub-contenttype
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Ämneskategori:kap swepub-publicationtype
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CC BY NC 4.0
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Welding or brazing of metals to ceramics often leads to failures under aggressive conditions due to abrupt changes in physical, chemical, and thermal properties at the metal-ceramic interface. Metal-ceramic Functional Graded Materials (FGMs) replace the strict interface with a gradual transition of composition and properties, which protects the material from failures. The powder-blown Laser-Directed Energy Deposition (DED-LB) is one of the widely known Additive Manufacturing (AM) processes that offer unique features like developing FGMs and multi-material structures. Various studies have been conducted to process metalceramic FGMs using the DED-LB process but significant differences in thermal properties, varying laser-material interactions, and the possibility of formation of complex reaction products make the processing of metal-ceramic FGMs challenging. This study aims to understand the effect of laser power on a ceramic substrate, and its interaction with a metal powder introduced in the melt pool. A single track of nickel-based superalloy Alloy 718 powder was deposited on an Alumina substrate with different laser powers. The deposition was performed with and without substrate pre-heat to understand the effect of pre-treatment on deposition. Metallographic analysis was performed to reveal the microstructure of the resolidified metal mixed ceramic region
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Biuppslag (personer, institutioner, konferenser, titlar ...)
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Hanning, FabianHögskolan Väst,Avdelningen för maskinteknik,KAMPT(Swepub:hv)faha0010
(författare)
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Andersson, Joel,1981-Högskolan Väst,Avdelningen för maskinteknik,KAMPT(Swepub:hv)joan0056
(författare)
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Joshi, Shrikant V.,1960-Högskolan Väst,Avdelningen för avverkande och additativa tillverkningsprocesser (AAT),KAMPT(Swepub:hv)shrjos
(författare)
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Högskolan VästAvdelningen för svetsteknologi (SV)
(creator_code:org_t)
Sammanhörande titlar
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Ingår i:Sustainable Production through Advanced Manufacturing, Intelligent Automation and Work Integrated Learning: IOS Press, s. 111-12197816436851069781643685113
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