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Precipitation in spray-formed IN 718
Luleå tekniska universitet.
Luleå tekniska universitet.
Luleå tekniska universitet.
2001 (English)In: Superalloys 718, 625, 706 and various derivatives: proceedings of the International Symposium on Superalloys 718, 625, 706 and Various Derivatives ; held June 17 - 20, 2001, Warrendale, Pa: Minerals, Metals & Materials Society, 2001, 617-626 p.Conference paper (Refereed)
Abstract [en]

The precipitation of the γ', γ'' and δ phases in a spray-formed version of IN 718 has been studied by hardness measurement and metallographic examination of samples subjected to solution treatment at 1025°C followed by isothermal treatments between 620 and 1010°C up to 100 h. The precipitation processes were compared to those in a wrought (ring-rolled) version of the alloy subjected to the same heat treatments. Time-temperature-hardness diagrams for the two alloys were constructed. Small differences were observed between the two materials but these can at least partly be attributed to differences in composition. For the spray-cast material the δ-phase solvus temperature was determined and the growth kinetics of the γ'' phase established

Place, publisher, year, edition, pages
Warrendale, Pa: Minerals, Metals & Materials Society, 2001. 617-626 p.
Research subject
Engineering Materials
Identifiers
URN: urn:nbn:se:ltu:diva-34862ScopusID: 34877554Local ID: 92c71560-fc9c-11db-b816-000ea68e967bISBN: 873395107OAI: oai:DiVA.org:ltu-34862DiVA: diva2:1008114
Conference
International Symposium on Superalloys 718, 625, 706 and Various Derivatives : 17/06/2001 - 20/06/2001
Note
Godkänd; 2001; 20070507 (cira)Available from: 2016-09-30 Created: 2016-09-30Bibliographically approved

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