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Fatigue crack growt...
Fatigue crack growth behaviour of forged Ti-6Al-4V in gaseous hydrogen
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- Gaddam, Raghuveer (författare)
- Luleå tekniska universitet,Materialvetenskap
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- Pederson, Robert (författare)
- Luleå tekniska universitet,Materialvetenskap
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- Hörnqvist Colliander, Magnus, 1979 (författare)
- Department of Applied Physics, Chalmers University of Technology, S-41296 Göteborg, Sweden,Chalmers tekniska högskola,Chalmers University of Technology
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- Antti, Marta-Lena (författare)
- Luleå tekniska universitet,Materialvetenskap
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(creator_code:org_t)
- Elsevier BV, 2014
- 2014
- Engelska.
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Ingår i: Corrosion Science. - : Elsevier BV. - 0010-938X .- 1879-0496. ; 78, s. 378-383
- Relaterad länk:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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https://research.cha...
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Abstract
Ämnesord
Stäng
- Fatigue crack growth (FCG) tests were performed to evaluate the fatigue behaviour of forged Ti-6Al-4V in air and high-pressure gaseous hydrogen (15 MPa) at room temperature. The results indicate that the effect of gaseous hydrogen is dependent on the stress intensity factor (ΔK). The FCG rate was unaffected by hydrogen below a critical stress intensity, ΔK* ≈ 20 MPa√m. Above ΔK*, the FCG rate fluctuated and subsequently accelerated at higher ΔK values. The observed behaviour is attributed to the change in the fracture processes. A hypothesis is proposed that describes the FCG behaviour in gaseous hydrogen.
Ämnesord
- TEKNIK OCH TEKNOLOGIER -- Materialteknik -- Annan materialteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Materials Engineering -- Other Materials Engineering (hsv//eng)
- TEKNIK OCH TEKNOLOGIER -- Annan teknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Other Engineering and Technologies (hsv//eng)
Nyckelord
- A. Titanium
- B. SEM
- C. Hydrogen embrittlement
- Materialteknik
- Engineering Materials
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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