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The Influence of Composition and Hot Processes on Heat Affected Zone and Weld Metal Behavior and Mechnacal Properties of Ti Grade 5 and Stainless Steel
KTH, Superseded Departments, Production Engineering.
2004 (English)Doctoral thesis, comprehensive summary (Other scientific)
Abstract [en]

This thesis discusses on results of experiments carried outwith austenitic, duplex and super duplex stainless steels andTi-6Al-4V. In these it has been seen that the heat cycle duringwelding or weld simulation has a great effect on the propertiesof thematerials. The properties are related to the resultedgrain size after processing, as well as, to the chemicalcomposition of the material. The thesis discusses on the grainsize resulted after hot processing and how the properties areinfluenced by it. Also, it has been seen how large grain sizeinfluences the fracture toughness of the duplex stainlesssteel. The CTOD values become so low that an alternativeproduction method should be used instead of casting. The thesisdescribes the behavior of grain size in the hot processing ofTi-6Al-4V and impact toughness resulted by various weldingprocesses. The thesis shows correlation between grain growthbehavior of metallurgically different materials, i.e. duplexstainless steel, Ti-6Al-4V and quenced and tempered low alloysteel.

Keywords:Stainless steel, Duplex Stainless Steel,Titanium Grade 5, Ti-6Al-4V microstructure, mechanicalproperties, welding, welding simulation

Place, publisher, year, edition, pages
Stockholm: Industriell produktion , 2004. , 28 p.
Series
TRITA-IIP, ISSN 1650-1888 ; 04-01
Keyword [en]
Stainless steel, Duplex stainless steel, Titanium Grade 5, Ti-6Al-4V, Microstructure, Mecjhanical properties, Welding, Welding simulation
Identifiers
URN: urn:nbn:se:kth:diva-3691OAI: oai:DiVA.org:kth-3691DiVA: diva2:9529
Public defence
2004-02-03, 00:00
Note

QCR 20161026

Available from: 2004-02-02 Created: 2004-02-02 Last updated: 2016-10-26

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06eb14f0b036e5c13153bb428572938a4ffd187f1ab8c4d6e56dcf97bee80319a005b72e
Type fulltextMimetype application/pdf

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CiteExportLink to record
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Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
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More styles
Language
  • de-DE
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  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
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  • Other locale
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Output format
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