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Microstructure and ...
Microstructure and Mechanical Properties of Ti-6Al-4V Welds Produced with Different Processes.
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- Tolvanen, Sakari, 1984 (författare)
- Department of Industrial and Materials Science, Chalmers University of Technology, Gothenburg (SWE),Chalmers tekniska högskola,Chalmers University of Technology
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- Pederson, Robert, 1973- (författare)
- Högskolan Väst,Avdelningen för maskinteknik,KAMPT,University West
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- Klement, Uta, 1962 (författare)
- Department of Industrial and Materials Science, Chalmers University of Technology, Gothenburg (SWE),Chalmers tekniska högskola,Chalmers University of Technology
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(creator_code:org_t)
- MDPI, 2024
- 2024
- Engelska.
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Ingår i: Materials. - : MDPI. - 1996-1944. ; 17:4
- Relaterad länk:
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Abstract
Ämnesord
Stäng
- The effect of defects and microstructure on the mechanical properties of Ti-6Al-4V welds produced by tungsten inert gas welding; plasma arc welding; electron beam welding; and laser beam welding was studied in the present work. The mechanical properties of different weld types were evaluated with respect to micro hardness; yield strength; ultimate tensile strength; ductility; and fatigue at room temperature and at elevated temperatures (200 °C and 250 °C). Metallographic investigation was carried out to characterize the microstructures of different weld types, and fractographic investigation was conducted to relate the effect of defects on fatigue performance. Electron and laser beam welding produced welds with finer microstructure, higher tensile ductility, and better fatigue performance than tungsten inert gas welding and plasma arc welding. Large pores, and pores located close to the specimen surface, were found to be most detrimental to fatigue life.
Ämnesord
- TEKNIK OCH TEKNOLOGIER -- Materialteknik -- Bearbetnings-, yt- och fogningsteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Materials Engineering -- Manufacturing, Surface and Joining Technology (hsv//eng)
- TEKNIK OCH TEKNOLOGIER -- Materialteknik -- Annan materialteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Materials Engineering -- Other Materials Engineering (hsv//eng)
- TEKNIK OCH TEKNOLOGIER -- Materialteknik -- Metallurgi och metalliska material (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Materials Engineering -- Metallurgy and Metallic Materials (hsv//eng)
Nyckelord
- defects
- fatigue
- microstructure
- porosity
- titanium alloys
- welding
- Production Technology
- Produktionsteknik
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- art (ämneskategori)
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