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Metallurgical Response of Electron Beam Welded Allvac® 718Plus™
Högskolan Väst, Institutionen för ingenjörsvetenskap, Avd för tillverkningsprocesser. Volvo Aero Corporation, Trollhättan, Sweden och Chalmers University of Technology, Gothenburg, Sweden. (PTW)ORCID-id: 0000-0001-9065-0741
Volvo Aero Corporation, Trollhättan, Sweden och Chalmers University of Technology, Gothenburg, Sweden.
Aalto University School of Science and Technology, Espoo, Finland.
2011 (engelsk)Inngår i: Hot Cracking Phenomena in Welds III / [ed] Lippold, J., Böllinghaus, T. and Cross C. E., Springer Berlin/Heidelberg, 2011, s. 415-428Konferansepaper, Publicerat paper (Fagfellevurdert)
Abstract [en]

Electron beam welding of forged Allvac 718Plus superalloy has been carried out without any visible cracks in weld cross-sections. Healed cracks in the heat affected zone were, however, seen in most cross-sections with the healing as well as the cracking believed to be due to the constitutional liquation of the δ-phase. The δ-phase undergoes constitutional liquation in the Heat Affected Zone (HAZ) and consequently decreases the ductility of the material and renders cracks in the HAZ but due to the large amount of eutectic liquid produced at the same time the healing of the opened cracks takes place.

sted, utgiver, år, opplag, sider
Springer Berlin/Heidelberg, 2011. s. 415-428
Emneord [en]
Electron beam welding, Allvac 718Plus
HSV kategori
Forskningsprogram
Produktionsteknik; TEKNIK, Produktions- och materialteknik
Identifikatorer
URN: urn:nbn:se:hv:diva-8996DOI: 10.1007/978-3-642-16864-2_21ISBN: 9783642168635 (tryckt)OAI: oai:DiVA.org:hv-8996DiVA, id: diva2:900740
Konferanse
3rd International Hot Cracking Workshop in Columbus, Ohio, USA, March, 2010
Tilgjengelig fra: 2016-02-05 Laget: 2016-02-05 Sist oppdatert: 2016-02-10bibliografisk kontrollert

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