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- Holmberg, Jonas,1976-RISE,Tillverkningsprocesser (författare)
Milling or grinding for manufacturing of an Alloy 718 gas turbine component? : – A comparison of surface integrity and productivity
- Artikel/kapitelEngelska2024
Förlag, utgivningsår, omfång ...
- Elsevier B.V.2024
- electronicrdacarrier
Nummerbeteckningar
- LIBRIS-ID:oai:DiVA.org:ri-73634
- https://urn.kb.se/resolve?urn=urn:nbn:se:ri:diva-73634URI
- https://urn.kb.se/resolve?urn=urn:nbn:se:ri:diva-74906URI
- https://doi.org/10.1016/j.procir.2024.05.004DOI
Kompletterande språkuppgifter
- Språk:engelska
- Sammanfattning på:engelska
Ingår i deldatabas
- SwePubSwePub
Klassifikation
Anmärkningar
- The authors acknowledge VINNOVA for funding this work through the project GrindForm (ref. no. 2019-05833).
- The authors acknowledge VINNOVA for funding this work through the project GrindForm (ref. no. 2019-05833).
- Milling is traditionally the most used machining method when manufacturing complex gas turbine components. In particular those made from nickel-based superalloys. However, for larger free form surfaces, grinding may be an efficient alternative that could be used throughout the complete manufacturing route, from roughing to finishing. Hence, in this work the two processing methods has been compared in regard to surface integrity and productivity. Machining tests have been performed on case plates of heat-treated Alloy 718 using best practise setting for roughing and finishing with grinding and milling. The surface integrity of the work pieces was evaluated regarding surface topography, residual stresses, and deformation. This comparison showed that the main advantage with grinding is the ability to switch between roughing and finishing by just altering the depth of cut. Further, grinding offers lower surface roughness, compressive residual stresses, and significantly lower degree of deformation. From a productivity perspective, deep grinding may offer high material removal rates and ability to machine several work pieces in the same setup. However, grinding is limited to simpler free form geometries and may result in minor surface damages and abrasive surface residue. For selection of machining strategy, advantages and drawbacks shown in this work need to be considered for the application at hand in respect to productivity, surface integrity and requirements on fatigue life.
Ämnesord och genrebeteckningar
- TEKNIK OCH TEKNOLOGIER Materialteknik hsv//swe
- ENGINEERING AND TECHNOLOGY Materials Engineering hsv//eng
- Alloy 718
- Machining
- Milling
- Grinding
- Surface integrity
Biuppslag (personer, institutioner, konferenser, titlar ...)
- Berglund, JohanRISE,Tillverkningsprocesser(Swepub:ri)johanbe3@ri.se (författare)
- Wretland, AndersGKN Aerospace Engine Systems AB, Sweden (författare)
- Klason, AnkiHanza Mechanics Sweden AB, Sweden (författare)
- Persson, RogerHanza Mechanics Sweden AB, Sweden (författare)
- RISETillverkningsprocesser (creator_code:org_t)
Sammanhörande titlar
- Ingår i:Procedia CIRP: Elsevier B.V.123, s. 7-122212-8271
Internetlänk
- https://www.sciencedirect.com/science/article/pii/S2212827124002087Full text
- https://ri.diva-portal.org/smash/get/diva2:1874440/FULLTEXT01.pdffulltext:print
- https://doi.org/10.1016/j.procir.2024.05.004Fulltext
- https://ri.diva-portal.org/smash/get/diva2:1890452/FULLTEXT01.pdffulltext:print
- https://urn.kb.se/resolve?urn=urn:nbn:se:ri:diva-73634
- https://urn.kb.se/resolve?urn=urn:nbn:se:ri:diva-74906
- https://doi.org/10.1016/j.procir.2024.05.004
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