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Characterisation of EBM-built shelled samples of Ti6Al4V compacted by HIP
RISE, Swerea, KIMAB.ORCID iD: 0000-0001-9407-9140
Mid Sweden University, Sweden.
Mid Sweden University, Sweden.
RISE, Swerea, KIMAB.
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2016 (English)In: World PM 2016 Congress and Exhibition, European Powder Metallurgy Association (EPMA) , 2016Conference paper, Published paper (Refereed)
Abstract [en]

Compaction of additively manufactured Ti6Al4V components by Hot Isostatic Pressing (HIP) is often applied to eliminate porosity, producing fully dense material. In the present work shelled samples produced by Electron Beam Melting with the Arcam process (EBM) were compacted by HIP to produce fully dense samples. Cylindrical samples were studied. The walls of the cylinders were built with EBM, and the powder from the process was left uncompacted inside the cylinders. Samples with different wall thicknesses were produced. The samples were thereafter subjected to a HIP compaction. The critical wall thicknesses needed for compaction were evaluated, and the microstructures characterized. The results show that fully dense samples, with very fine microstructures, are possible.

Place, publisher, year, edition, pages
European Powder Metallurgy Association (EPMA) , 2016.
Keywords [en]
Aluminum alloys, Aluminum compounds, Compaction, Cylinders (shapes), Hot isostatic pressing, Microstructure, Powder metallurgy, Powders, Titanium alloys, Titanium compounds, Cylindrical samples, Dense materials, Fine microstructure, Ti-6al-4v, Wall thickness, Walls (structural partitions)
National Category
Natural Sciences
Identifiers
URN: urn:nbn:se:ri:diva-42167Scopus ID: 2-s2.0-85035340601ISBN: 9781899072484 (print)OAI: oai:DiVA.org:ri-42167DiVA, id: diva2:1384314
Conference
World Powder Metallurgy 2016 Congress and Exhibition, World PM 2016, 9 October 2016 through 13 October 2016
Available from: 2020-01-09 Created: 2020-01-09 Last updated: 2020-01-09Bibliographically approved

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