Selective laser melting of tungsten carbide reinforced maraging steel composite
Article dans une revue avec comité de lecture
Auteur
KANG, NanMA, WenyouLI, FuhaiLIU, MinLIAO, Hanlin 
EL MANSORI, Mohamed HERAUD, LoreneRésumé
In this work, tungsten carbide (WC) reinforced maraging steel matrix composites were in-situ manufactured by selective laser melting (SLM) from powder mixture. The SLM processed samples presented high relative density (over 99%) with a homogenous distribution of WC. The as-fabricated surface quality of SLM processed samples was improved significantly by the addition of WC. Focused ion beam and transmission electron microscopy were employed to characterize the interfacial properties between tungsten carbide and steel matrix. The elemental analysis indicates that metallurgical bonding appears at interfacial region due to the diffusion. Tensile behavior of SLM processed maraging steel was different from their composite with several WC contents.
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Article dans une revue avec comité de lecture; ; ; ; ; ;EL MANSORI, Mohamed; CONIGLIO, Nicolas (American Society of Mechanical Engineers, 2021)
In the course of the selective laser melting (SLM) process, the part is built layer by layer involving partial re-melting/heating of the previous layer, called as intrinsic heat treatment. Therefore, superficial properties ...
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Article dans une revue avec comité de lecture;EL MANSORI, Mohamed (Elsevier, 2019)
In this work, the tribological behaviour of selective laser melting (SLM) processed hypereutectic Al-Si alloy is investigated by the ball on disc test with focus on the effect of silicon content (18 and 50 wt %). Different ...
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Article dans une revue avec comité de lecture; ; ; ; ; ;EL MANSORI, Mohamed (Elsevier, 2018)
In this research, Al-Fe-Cr quasicrystal (QC) reinforced Al-based metal matrix composites were in-situ manufactured by using selective laser melting (SLM) from the powder mixture. The parametrical optimization based on our ...
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Article dans une revue avec comité de lectureKANG, Nan; ; ; ; EL MANSORI, Mohamed (Elsevier, 2019)
In this work, Al-Fe-Cr quasicrystal reinforced Al matrix composite was in-situ prepared by using selective laser melting from powder mixture of Al-Cu-Fe-Cr quasicrystal and pure Al. The effect of selective post-aging ...
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Article dans une revue avec comité de lecture; ; ; ; ;EL MANSORI, Mohamed (Elsevier, 2018)
Fe-Ni-Si soft magnetic parts, using Ni coated high silicon steel powder, were manufactured by selective laser melting process. The type of defect changes from porosity to cracks and the relative density increases, from 50% ...