Výsledky vyhledávání - "Raya Mertens"

Akademický článek

Continuous graded Gyroid cellular structures fabricated by selective laser melting: Design, manufacturing and mechanical properties

Autor: Lei Yang, Raya Mertens, Massimiliano Ferrucci, Chunze Yan, Yusheng Shi, Shoufeng Yang

Publikováno v: Materials & Design, Vol 162, Iss , Pp 394-404 (2019)

Functional graded cellular materials (FGCMs) have attracted increasing attentions for their improved properties when compared to uniform cellular structures. In this work, graded Gyroid cellular structures (GCSs) with varying gradient directions were

Externí odkaz: https://doaj.org/article/81d58954f1b44120b36495014c857e2b

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Selective Laser Melting process optimization of Ti–Mo–TiC metal matrix composites

Autor: Jean-Pierre Kruth, Kim Vanmeensel, Sasan Dadbakhsh, Raya Mertens, Shoufeng Yang, Jef Vleugels, Bey Vrancken

Publikováno v: CIRP Annals. 68:221-224

© 2019 Selective Laser Melting (SLM) was used to process a powder mixture of CP Ti, 6.5 wt% Mo and 3.5 wt% Mo 2 C. The process parameters were optimized to obtain full-density, crack free parts. After the in situ decomposition of Mo 2 C in favor of

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3dd2d3f39d911a5da04e24b6ccc40853
https://doi.org/10.1016/j.cirp.2019.04.120

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Heat treatment possibilities for an in situ βTi-TiC composite made by laser powder bed fusion

Autor: Gang Ji, Haiyang Fan, Sasan Dadbakhsh, Bey Vrancken, Jean-Pierre Kruth, Kim Vanmeensel, Raya Mertens, Ahmed Addad

Publikováno v: Additive Manufacturing
Additive Manufacturing, Elsevier, 2020, Additive Manufacturing, pp.101577. ⟨10.1016/j.addma.2020.101577⟩
Additive Manufacturing, Elsevier, 2020, ⟨10.1016/j.addma.2020.101577⟩
Additive Manufacturing, 2020, Additive Manufacturing, pp.101577. ⟨10.1016/j.addma.2020.101577⟩

After laser powder bed fusion (LPBF) of an ultra-strong in situ TiC whisker reinforced β-Ti composite, this paper investigates the evolution of microstructure and mechanical properties in response to heat treatment at different temperatures. Using i

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::fc9ac03e64b470c39d72130dd4b7c99e
https://lirias.kuleuven.be/handle/123456789/660990

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In situ transformations during SLM of an ultra-strong TiC reinforced Ti composite

Autor: Sasan Dadbakhsh, Raya Mertens, Kim Vanmeensel, Gang Ji, Jean-Pierre Kruth

Publikováno v: Scientific Reports
Scientific Reports, 2020, Scientific Reports, 10 (1), pp.1-12. ⟨10.1038/s41598-020-67434-3⟩
Scientific Reports, Nature Publishing Group, 2020, Scientific Reports, 10 (1), pp.1-12. ⟨10.1038/s41598-020-67434-3⟩
Scientific Reports, Nature Publishing Group, 2020, ⟨10.1038/s41598-020-67434-3⟩
Scientific Reports, Vol 10, Iss 1, Pp 1-12 (2020)
Scientific Reports, Nature Publishing Group, 2020, 10, ⟨10.1038/s41598-020-67434-3⟩

This work demonstrates a successful in situ method capable of producing an ultra-strong novel Ti composite without aluminium and vanadium. In this method, selective laser melting is used to conduct in situ alloying and reinforcing of a Ti/10.5 wt% Mo

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c9adf08c9ff0c7d8cccccf7e9608ff78
https://hal.univ-lille.fr/hal-02922333

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Laser powder bed fusion of high strength aluminum

Autor: Brecht Van Hooreweder, Kim Vanmeensel, Raya Mertens, Lise Baert

Publikováno v: Material Design & Processing Communications. 3

Demands for high strength aluminum alloys processed by Laser Powder Bed Fusion (LPBF) are high and keep rising. However, expensive new alloy compositions or crack formation in existing alloys hinder its wide applicability. It is known from recent wor

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::46518c369b8d85d028881259a3ebc4c0
https://doi.org/10.1002/mdp2.161

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An investigation into the effect of gradients on the manufacturing fidelity of triply periodic minimal surface structures with graded density fabricated by selective laser melting

Autor: Lei Yang, Chunze Yan, Yusheng Shi, Raya Mertens, Shoufeng Yang, Wim Dewulf, Massimiliano Ferrucci

Publikováno v: Journal of Materials Processing Technology

Triply periodic minimal surfaces (TPMSs) have attracted increasing attention for their high manufacturability, biocompatibility, and mechanical properties. In this work, graded Gyroid cellular structures (GCSs) with varying gradient directions were m

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::064ef06163197c4c7cbf770d67f9821f

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In-situ formation of particle reinforced Aluminium matrix composites by laser powder bed fusion of Fe2O3/AlSi12 powder mixture using laser melting/remelting strategy

Autor: Raya Mertens, Guichuan Li, Shoufeng Yang, Qimin Shi, Sasan Dadbakhsh

Publikováno v: Journal of Materials Processing Technology. 299:117357

In-situ preparation of particle reinforced Al matrix composites (PRAMCs) by laser powder bed fusion (LPBF) is a promising strategy to strengthen Al-based alloys. The laser-driven thermite reaction can be a practical mechanism to in-situ synthesise PR

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::f653650e7e7387a85084f21454785988
https://doi.org/10.1016/j.jmatprotec.2021.117357

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In situ alloying and reinforcing of Al6061 during selective laser melting

Autor: Raya Mertens, Sasan Dadbakhsh, Jef Vleugels, Kim Vanmeensel, Jean-Pierre Kruth, Jan Van Humbeeck

Publikováno v: Procedia CIRP. 74:39-43

This work investigates the feasibility of a novel method to simultaneously alloy and reinforce a low alloyed Al alloy (i.e., Al6061) during selective laser melting (SLM) via in situ decomposition of zinc oxide (ZnO). Based on Gibbs free energy calcul

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::21c9550b58c06a2374ffc976873c65ed
https://doi.org/10.1016/j.procir.2018.08.009

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Changing the alloy composition of Al7075 for better processability by selective laser melting

Autor: Xiebin Wang, Raya Mertens, Bey Vrancken, Jan Van Humbeeck, Jean-Pierre Kruth, Maria Montero Sistiaga, Brecht Van Hooreweder

Publikováno v: Journal of Materials Processing Technology. 238:437-445

Selective Laser Melting (SLM) of conventional aluminium alloys has mainly been restricted to casting alloys, such as AlSi10Mg and AlSi12. Despite the challenges of processing aluminium alloys via SLM, like the high reflectivity, high conductivity and

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d0701e2251d580d0785ee03b515e2040
https://doi.org/10.1016/j.jmatprotec.2016.08.003

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Study of keyhole-porosities in selective laser melting using X-ray computed tomography

Autor: Raya Mertens, Gabriel Probst, Ann Witvrouw, Aditi Thanki, Wim Dewulf, Louca Goossens, Shoufeng Yang

Publikováno v: EasyChair Preprints.

The occurrence of keyhole porosity in selective laser melting (SLM) has so far not been quantified systematically using X-ray computed tomography (X-CT). In this study, keyhole porosity in selective laser molten Ti-6Al-4V grade 23 parts was analyzed

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3e585f7d3fad491e9f09c3046c21fb74
https://doi.org/10.29007/3qvj

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