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Anisotropic fatigue...
Anisotropic fatigue properties of Alloy 718 manufactured by Electron Beam Powder Bed Fusion
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- Balachandramurthi, Arun Ramanathan, 1989- (author)
- Högskolan Väst,Avdelningen för avverkande och additativa tillverkningsprocesser (AAT),PTW,Univ West, Sweden
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- Moverare, Johan (author)
- Linköpings universitet,Högskolan Väst,Avdelningen för avverkande och additativa tillverkningsprocesser (AAT),Linköping University, Department of Management and Engineering, Linköping, 58183, Sweden,PTW,Konstruktionsmaterial,Tekniska fakulteten,Univ West, Sweden
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- Hansson, Thomas, 1964- (author)
- Högskolan Väst,Avdelningen för avverkande och additativa tillverkningsprocesser (AAT),GKN Aerospace Sweden AB, Trollhättan, 46181, Sweden,PTW,Univ West, Sweden; GKN Aerosp Sweden AB, Sweden
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- Pederson, Robert, 1973- (author)
- Högskolan Väst,Avdelningen för avverkande och additativa tillverkningsprocesser (AAT),PTW,Univ West, Sweden
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(creator_code:org_t)
- Elsevier, 2020
- 2020
- English.
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In: International Journal of Fatigue. - : Elsevier. - 0142-1123 .- 1879-3452. ; 141
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Abstract
Subject headings
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- In this study, Alloy 718 specimens manufactured by Electron Beam Powder Bed Fusion process are subjected to two different post-treatments to have different microstructural features. Low cycle fatigue testing has been performed both parallel and transverse to the build direction. EB-PBF Alloy 718 exhibits anisotropic fatigue behaviour; the fatigue life is better along the parallel direction compared to the transverse direction. The anisotropy in fatigue life is related to the anisotropy in the Young’s modulus. The pseudo-elastic stress vs. fatigue life approach is presented as a potential solution to handle anisotropy in fatigue life assessment of additively manufactured engineering components. © 2020 The Authors
Subject headings
- 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)
Keyword
- Anisotropy; Elastic moduli; Electron beams; Fatigue testing
- Build direction; Engineering components; Fatigue behaviour; Fatigue life assessment; Fatigue properties; Low cycle fatigue testing; Microstructural features; Post treatment
- Fatigue of materials
- Production Technology
- Produktionsteknik
Publication and Content Type
- ref (subject category)
- art (subject category)
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