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Akademický článek

Microstructure Effects on the Machinability of AM-Produced Superalloys

Autor: Paul Wood, José Díaz-Álvarez, Alexis Rusinek, Urvashi Gunputh, Slim Bahi, Antonio Díaz-Álvarez, Maria Henar Miguélez, Yiling Lu, Pawel Platek, Judyta Sienkiewicz

Publikováno v: Crystals, Vol 13, Iss 8, p 1190 (2023)

This paper discusses the microstructure effects on the machinability of Inconel 718 by conducting machining tests on an additively manufactured (AM) workpiece with a strongly textured grain structure and a wrought workpiece incorporating a finer and

Externí odkaz: https://doaj.org/article/0ac45c9d20bf4461bb27ae38924f704e

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A novel technique for dynamic shear testing of bulk metals with application to 304 austenitic stainless steel

Autor: Paul Wood, Bin Jia, Raphaël Pesci, Slim Bahi, Alexis Rusinek, Richard Bernier

Publikováno v: International Journal of Solids and Structures
International Journal of Solids and Structures, Elsevier, 2020, 204-205, pp.153-171. ⟨10.1016/j.ijsolstr.2020.08.019⟩

This paper describes a new single-shear specimen (SSS) and method to characterize the dynamic shear behavior of bulk metals using a traditional Split Hopkinson Pressure Bar (SHPB). By this method, the shear behavior of materials can be tested conveni

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d14eb47f7c81450066fd035e9d35749d
https://doi.org/10.1016/j.ijsolstr.2020.08.019

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Constitutive Modelling of Laser Based Powder Bed Fusion Melted Inconel 718 Superalloy over a Wide Range of Strain Rates

Autor: Urvashi Fowdar Gunputh, Paul Wood, Slim Bahi, Alexis Rusinek, Laura Delcuse

The aim of this paper is to determine the material parameters of the Inconel 718 manufactured by Laser Powder Bed Fusion, using the Johnson-Cook model. Different compression tests in quasi-static and dynamic domains were performed under various strai

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::59ee1006a1220c45b16db1dda3189644
https://doi.org/10.3233/atde210036

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The Influence of Temperature in the Al 2024-T3 Aluminum Plates Subjected to Impact: Experimental and Numerical Approaches

Autor: Alexis Rusinek, Amine Bendarma, Slim Bahi, Rafael Santiago, Maciej Klósak, Tomasz Jankowiak

Publikováno v: Materials
Volume 14
Issue 15
Materials, MDPI, 2021, 14 (15), pp.4268. ⟨10.3390/ma14154268⟩
Materials, Vol 14, Iss 4268, p 4268 (2021)

International audience; In this paper, perforation experiments were carried out and numerically modelled in order to analyze the response of 2024-T3 aluminum alloy plates under different initial temperatures T0. This alloy has a particular relevance

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c382bd445b39fe71b7ca631b29557bb4

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Simple shear behavior and constitutive modeling of 304 stainless steel over a wide range of strain rates and temperatures

Autor: Paul Wood, Raphaël Pesci, Richard Bernier, Amine Bendarma, Bin Jia, Slim Bahi, Alexis Rusinek

Publikováno v: International Journal of Impact Engineering
International Journal of Impact Engineering, Elsevier, 2021, 154, pp.103896. ⟨10.1016/j.ijimpeng.2021.103896⟩

International audience; A novel single shear specimen (SSS) together with a correction coefficient method is used to study the deformation behavior of a 304 stainless steel under shear loadings. Shear stress-shear strain relations over a wide range o

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::cd2d85fa35f1c75289404781a67d846d
https://hdl.handle.net/10985/20320

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Machinability of INCONEL718 Alloy with a Porous Microstructure Produced by Laser Melting Powder Bed Fusion at Higher Energy Densities

Autor: Urvashi Fowdar Gunputh, Paul Wood, Alexis Rusinek, María Henar Miguélez, Judyta Sienkiewicz, Paweł Płatek, Antonio Díaz-Álvarez, Gavin Williams, José Díaz-Álvarez, Slim Bahi

Publikováno v: Materials
Volume 13
Issue 24
Materials, Vol 13, Iss 5730, p 5730 (2020)
e-Archivo. Repositorio Institucional de la Universidad Carlos III de Madrid
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Materials, MDPI, 2020, 13 (24), pp.5730. ⟨10.3390/ma13245730⟩

International audience; Products produced by additive manufacturing (AM) seek to exploit net shape manufacturing by eliminating or minimizing post-process stages such as machining. However, many applications which include turbo machinery components w

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::487238229834473d0e23cf380da68aa1

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Effect of powder bed fusion laser melting process parameters, build orientation and strut thickness on porosity, accuracy and tensile properties of an auxetic structure in IN718 alloy

Autor: Laura Delcuse, Alexis Rusinek, Urvashi Fowdar Gunputh, Paul Wood, María Henar Miguélez, Slim Bahi

Publikováno v: Additive Manufacturing
Additive Manufacturing, Elsevier, 2020, 36, pp.101339. ⟨10.1016/j.addma.2020.101339⟩

In this paper the geometry of an auxetic, re-entrant honeycomb structure made from Inconel 718 (IN718), was optimised with respect to the process parameters of laser melting process using a Renishaw AM250 after which the quasi static behaviour was an

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::472ed3006b99ac186bb6c07ab2f3ebe8
https://hal.univ-lorraine.fr/hal-03334204

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Material and structural behaviour of PMMA from low temperatures to over the glass transition: Quasi-static and dynamic loading

Autor: D. Garcia-Gonzalez, Amine Bendarma, Slim Bahi, Alexis Rusinek, Maciej Klósak, Richard Bernier

Publikováno v: Polymer Testing
Polymer Testing, Elsevier, 2020, 81, pp.106263. ⟨10.1016/j.polymertesting.2019.106263⟩
e-Archivo. Repositorio Institucional de la Universidad Carlos III de Madrid
instname

This work aims at characterizing the mechanical behaviour of polymethyl-methacrylate (PMMA) under high velocity impact conditions over a wide range of testing temperatures. To this end, the mechanical response at uniaxial compression is studied for b

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::21b33f61e936467dfddbf5e4b2461f7a
https://hal.univ-lorraine.fr/hal-03334327

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Thermo-viscoplastic behavior of 304 austenitic stainless steel at various strain rates and temperatures: Testing, modeling and validation

Autor: Raphaël Pesci, Richard Bernier, Alexis Rusinek, Slim Bahi, Bin Jia

Publikováno v: International Journal of Mechanical Sciences
International Journal of Mechanical Sciences, Elsevier, 2020, 170, pp.105356. ⟨10.1016/j.ijmecsci.2019.105356⟩

International audience; This paper presents a systematic study of the thermo-viscoplastic behavior of a 304 austenitic stainless steel (ASS). The experiments were conducted over a wide range of strain rates (10 − 3 s − 1 to 3270 s − 1 ) and tem

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9898ed8e9206b16dd5fe06bdb94aeda8
https://hal.archives-ouvertes.fr/hal-02493699/document

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Experimental and numerical characterization of thin woven composites used in printed circuit boards for high frequency applications

Autor: Mohamad Jrad, David Nevo, Gautier Girard, Laurent Bodin, Sophie Dareys, Marion Martiny, Sébastien Mercier, Slim Bahi

Publikováno v: Composite Structures
Composite Structures, Elsevier, 2018, 193, pp.140-153. ⟨10.1016/j.compstruct.2018.03.037⟩

International audience; The elastic orthotropic behavior of thin woven composites is studied combining a numerical and experimental strategy. For thin materials, in-plane properties are measured by classical tensile tests and digital image correlatio

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4451bf5d1f19e1249c4409961f5af572
https://doi.org/10.1016/j.compstruct.2018.03.037

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