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6 results for “selective laser melting”
Raw Data of "Selective laser melting of a Fe-Si-Cr-B-C-based complex-shaped amorphous soft-magnetic electric motor rotor with record dimensions"
<p>This data set includes the RAW DATA of the publication. ABSTRACT: A record large amorphous rotor bearing an intricate 3D-geometry is produced through additive manufacturing via selecting laser melting using a powder of a traditional bulk metallic glass-forming composition of the Fe-Si-Cr-B-C system. Not only does this technique overcome the technical limitations characteristic of casting processes for amorphous alloys, but the possibility to print complex 3D geometries is expected to greatly facilitate the channeling of the magnetic flux, when such component is used as a rotor in an electric machine. The as-built part is characterized in comparison to the powder material as well as as-spun ribbons using a wide range of complementary techniques, including synchrotron x-ray diffraction, calorimetry, electron microscopy as well as room temperature ferromagnetic and hardness testing. The built part has extraordinarily high values of hardness (877 HV) and remarkable high magnetic susceptibility (9.17). This latter feature leads to a better magnetic response in the presence of an external magnetic field evidenced by a faster approach to saturation. The coercivity is small (0.51 kA/M) and the magnetic saturation relatively high (1.29 T). In addition, a large anisotropic effect on the magnetization reaction in connection with the partial crystallization in the melt pool areas is investigated experimentally.</p>
Processed Data of "Selective laser melting of a Fe-Si-Cr-B-C-based complex-shaped amorphous soft-magnetic electric motor rotor with record dimensions"
<p>This data set includes the processed data of the pubblication. ABSTRACT: A record large amorphous rotor bearing an intricate 3D-geometry is produced through additive manufacturing via selecting laser melting using a powder of a traditional bulk metallic glass-forming composition of the Fe-Si-Cr-B-C system. Not only does this technique overcome the technical limitations characteristic of casting processes for amorphous alloys, but the possibility to print complex 3D geometries is expected to greatly facilitate the channeling of the magnetic flux, when such component is used as a rotor in an electric machine. The as-built part is characterized in comparison to the powder material as well as as-spun ribbons using a wide range of complementary techniques, including synchrotron x-ray diffraction, calorimetry, electron microscopy as well as room temperature ferromagnetic and hardness testing. The built part has extraordinarily high values of hardness (877 HV) and remarkable high magnetic susceptibility (9.17). This latter feature leads to a better magnetic response in the presence of an external magnetic field evidenced by a faster approach to saturation. The coercivity is small (0.51 kA/M) and the magnetic saturation relatively high (1.29 T). In addition, a large anisotropic effect on the magnetization reaction in connection with the partial crystallization in the melt pool areas is investigated experimentally.</p>
Selective laser melting process of tool steel powder
<p>The video demonstrates one of the most commercialised powder bed fusion techniques of additive manufacturing, the Selective Laser Melting (SLM). Tool steel powder (Gas atomized ASP2023®) is processed using a a commercial SLM instrument (AconityMINI). During the SLM process, the powder is delivered to the pre-heated powder bed through the powder delivery system and then selectively melted using the laser beam in a chamber filled with argon (see attached figure about the chamber and the key parts of the process). The delivered powder particles are solidified to form layers, as the process continues until the desired three-dimensional component is fabricated. </p>
Interferometry of Gas-Phase Flows during Selective Laser Melting
<p>Interferograms of gas-phase flows occurred at laser power of 50, 90, 130 and 170 W after spatial Fourier filtering recorded by high-speed camera.</p>
Compilation of HCF data of selective laser melted 316L and AlSi10Mg
<p>The file (.xlsx) contains a compilation of high-cycle fatigue data of selective laser melted 316L stainless steel and AlSi10Mg aluminium alloy. The study was carried out for uniaxial, stress-controlled loading. The experimental testing program determines the analysis of the effect of input data (material, build direction, specimen size) with assumed constants, on output data (cycles to failure). The data are used to probabilistic modelling of the size effect of mini-specimens fabricated by additive manufacturing.</p> <p>The studies were financially supported from the project 2021/05/X/ST5/00076 funded by the National Science Centre, Poland.</p>
Experimental data used in the article entitled "Influences of Energy Density on The Structure and Hardness of Selective Laser Melted AlSi7Mg Alloy"
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