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Detecting argon trapped in reference samples made by hot isostatic pressing
RISE, Swerea, KIMAB.
Sandvik Materials Technology, Sweden.
Bodycote Hot Isostatic Pressing, Sweden.
Erasteel Kloster, Sweden.
Show others and affiliations
2016 (English)In: World PM 2016 Congress and Exhibition, European Powder Metallurgy Association (EPMA) , 2016Conference paper, Published paper (Refereed)
Abstract [en]

We reveal in this paper a procedure to make reference materials containing a known level of Ar. Risk assessment when detecting Ar in a production material is based on the content relative to a specified safety limit (usually 50 ngAr/gsteel). Hence we only need to know if a production material contains more or less than this limit. Now, we can produce material at this limit. To evaluate, we use two types of instruments, on the following contents: 24, 48, 71, 95 and ngAr/gsteel. We found that all instruments could distinguish a higher and a lower level, from the safety limit. These contents are close to the lowest detectable limit for both instruments. The instruments are a G8 Galileo from Bruker Elemental and an ELTRA-Werf (several units) from Takon AB. The mechanisms of Argon segregation are reflected upon as the need for a uniform distribution in reference samples is important. Especially if one would do the instrument calibration solely based on reference samples in the future.

Place, publisher, year, edition, pages
European Powder Metallurgy Association (EPMA) , 2016.
Keywords [en]
Carrier concentration, Powder metallurgy, Risk assessment, Safety engineering, GALILEO, Instrument calibrations, Reference material, Safety limits, Uniform distribution, Hot isostatic pressing
National Category
Natural Sciences
Identifiers
URN: urn:nbn:se:ri:diva-42175Scopus ID: 2-s2.0-85035323966ISBN: 9781899072484 (print)OAI: oai:DiVA.org:ri-42175DiVA, id: diva2:1384262
Conference
World Powder Metallurgy 2016 Congress and Exhibition, World PM 2016, 9 October 2016 through 13 October 2016
Note

Funding details: Mauritius Research Council; Funding text 1: This research was funded through the Membership Research Consortia (MRC) at Swerea KIMAB. Supporting companies are AB Sandvik Materials Technology, Bodycote HIP AB, Erasteel Kloster AB and Carpenter Powder Products AB.

Available from: 2020-01-09 Created: 2020-01-09 Last updated: 2020-01-09Bibliographically approved

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CiteExportLink to record
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