Sökning: WFRF:(Rashidi Masoud 1987) >
Effect of heat trea...
Effect of heat treatment on microstructure and oxidation properties of Inconel 625 processed by LPBF
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- Parizia, Simone (författare)
- Politecnico di Torino,Polytechnic University of Turin,Fondazione Istituto Italiano di Tecnologia
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- Marchese, Giulio (författare)
- Politecnico di Torino,Polytechnic University of Turin
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- Rashidi, Masoud, 1987 (författare)
- Chalmers tekniska högskola,Chalmers University of Technology,Nanyang Technological University
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- Lorusso, Massimo (författare)
- Fondazione Istituto Italiano di Tecnologia
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- Hryha, Eduard, 1980 (författare)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Manfredi, Diego (författare)
- Politecnico di Torino,Polytechnic University of Turin
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- Biamino, Sara (författare)
- Politecnico di Torino,Polytechnic University of Turin
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(creator_code:org_t)
- Elsevier BV, 2020
- 2020
- Engelska.
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Ingår i: Journal of Alloys and Compounds. - : Elsevier BV. - 0925-8388. ; 846
- Relaterad länk:
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https://research.cha...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- This paper presents a study of the microstructure evolution due to oxidation exposure of Inconel 625 (IN625) alloy produced by Laser Powder Bed Fusion (LPBF). IN625 is a nickel-based superalloy characterized by good mechanical properties, excellent oxidation, and corrosion resistance from cryogenic temperatures up to 980 °C, allowing its wide use in various harsh environments. In order to enable the application of LPBF IN625 components at high temperatures, the oxidation properties and microstructure of as-built and post-heat treated LPBF IN625 alloy must be carefully investigated. For this reason, an extensive characterization of the oxidation behavior of the alloy in the as-built condition and after solution treatment was performed. For both these conditions, the oxidation treatments were performed at 900 °C up to 96 h. The characterization was performed using scanning electron microscopy (SEM), energy-dispersive X-ray spectroscopy (EDS), X-ray diffraction (XRD), and scratch test analysis. The characteristics of the oxide layer and formed phases were investigated. The as-built IN625 state presented greater oxidation resistance compared to the solutionized IN625 one. The latter condition showed a defected oxide layer with the presence of Nb and Ni oxides inside the Cr oxide layer.
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 -- Metallurgi och metalliska material (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Materials Engineering -- Metallurgy and Metallic Materials (hsv//eng)
- TEKNIK OCH TEKNOLOGIER -- Kemiteknik -- Korrosionsteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Chemical Engineering -- Corrosion Engineering (hsv//eng)
Nyckelord
- Laser powder bed fusion
- Oxidation
- Nickel-based superalloys
- Inconel 625
- Additive manufacturing
- Microstructure evolution
Publikations- och innehållstyp
- art (ämneskategori)
- ref (ämneskategori)
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