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Strauss test, vara eller icke vara?
Linköping University, Department of Management and Engineering. Linköping University, Department of Management and Engineering, Quality Technology and Management .
2009 (Swedish)Independent thesis Advanced level (degree of Master (One Year)), 20 credits / 30 HE creditsStudent thesis
Abstract [sv]

Att genomföra ett test som alltid ger samma resultat kan i längden kännas omotiverat. Strauss test är ett test som funnits länge för att testa stålets känslighet mot interkristallin korrosion. I detta arbete har Strauss test utvärderats i syftet att få fram ett underlag som kan användas för att starta diskussioner om en förändring i provningsmetodiken. Anledningen till att en förändring behövs är att alla dessa, ej informativa, tester kostar pengar. För att få fram underlaget har en litteraturstudie och experiment genomförts. Litteraturstudien har visat att Strauss test ej kommer ge någon nyttig information om stålens kvalitet. Experiment har visat att de duplexa stålens slagseghet minskar fortare än vad de blir känsliga för interkristallin korrosion. Ett exempel på hur man kan använda kvalitetsverktyg för att motivera en förändring i provningsmetodiken togs fram.

Abstract [en]

To carry out a test that always presents the same result may in the long run feel unmotivated. Strauss test is a test that been around for a long time to test the stainless steals susceptibility towards intergranular corrosion. In this work Strauss test have been evaluated in the purpose to get out a material that can be used to start discussions about a change in the testing procedure. The need for a change is because all these non-iformative tests is expensive. To get the material, a review and experiments was conducted. The review showed that Strauss test is not able to give any valuable information about the stainless steels quality. The experiments showed that the duplex stainless steels impact toughness decreases faster then they become sensitive towards intergranular corrosion. An example of how you can use quality tools to motivate a change in the testing procedure was developed.

Place, publisher, year, edition, pages
2009. , 69 p.
Keyword [sv]
Strauss test, Korrosion
National Category
Other Mechanical Engineering
Identifiers
URN: urn:nbn:se:liu:diva-17178ISRN: LIU-IEI-TEK-A--09/00573--SEOAI: oai:DiVA.org:liu-17178DiVA: diva2:202182
Presentation
Q-sem (Swedish)
Uppsok
teknik
Supervisors
Examiners
Available from: 2009-04-17 Created: 2009-03-08 Last updated: 2009-04-17Bibliographically approved

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CiteExportLink to record
Permanent link

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Citation style
  • apa
  • harvard1
  • ieee
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  • vancouver
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  • de-DE
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  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
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