Is the energy density a reliable parameter for materials synthesis by selective laser melting?

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Is the energy density a reliable parameter for materials synthesis by selective laser melting? / Prashanth, Konda Gokuldoss; Scudino, Sergio; Maity, Tapabrata et al.
in: Materials Research Letters [Elektronische Ressource], Jahrgang 5.2017, Nr. 6, 09.03.2017, S. 386-390.

Publikationen: Beitrag in FachzeitschriftArtikelForschung(peer-reviewed)

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@article{8102e3162c7041b5b2b08faef5e668d9,
title = "Is the energy density a reliable parameter for materials synthesis by selective laser melting?",
abstract = "The effective fabrication of materials using selective laser melting depends on the process parameters. Here, we analyse the suitability of the energy density to represent the energy transferred to the powder bed, which is effectively used to melt the particles and to produce the bulk specimens. By properly varying laser power and speed in order to process the powder at constant energy density, we show that the equation currently used to calculate the energy density gives only an approximate estimation and that hatch parameters and material properties should be considered to correctly evaluate the energy density.",
author = "Prashanth, {Konda Gokuldoss} and Sergio Scudino and Tapabrata Maity and Jayanta Das and J{\"u}rgen Eckert",
year = "2017",
month = mar,
day = "9",
doi = "10.1080/21663831.2017.1299808",
language = "English",
volume = "5.2017",
pages = "386--390",
journal = "Materials Research Letters [Elektronische Ressource]",
issn = "2166-3831",
number = "6",

}

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TY - JOUR

T1 - Is the energy density a reliable parameter for materials synthesis by selective laser melting?

AU - Prashanth, Konda Gokuldoss

AU - Scudino, Sergio

AU - Maity, Tapabrata

AU - Das, Jayanta

AU - Eckert, Jürgen

PY - 2017/3/9

Y1 - 2017/3/9

N2 - The effective fabrication of materials using selective laser melting depends on the process parameters. Here, we analyse the suitability of the energy density to represent the energy transferred to the powder bed, which is effectively used to melt the particles and to produce the bulk specimens. By properly varying laser power and speed in order to process the powder at constant energy density, we show that the equation currently used to calculate the energy density gives only an approximate estimation and that hatch parameters and material properties should be considered to correctly evaluate the energy density.

AB - The effective fabrication of materials using selective laser melting depends on the process parameters. Here, we analyse the suitability of the energy density to represent the energy transferred to the powder bed, which is effectively used to melt the particles and to produce the bulk specimens. By properly varying laser power and speed in order to process the powder at constant energy density, we show that the equation currently used to calculate the energy density gives only an approximate estimation and that hatch parameters and material properties should be considered to correctly evaluate the energy density.

U2 - 10.1080/21663831.2017.1299808

DO - 10.1080/21663831.2017.1299808

M3 - Article

VL - 5.2017

SP - 386

EP - 390

JO - Materials Research Letters [Elektronische Ressource]

JF - Materials Research Letters [Elektronische Ressource]

SN - 2166-3831

IS - 6

ER -