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Influence of local porosity on the mechanical properties of direct metal laser-sintered 1.2709 alloyHatos, István ...Powder bed metal printing has demonstrated its potential for the direct manufacturing of complex parts. It has great flexibility compared to conventional manufacturing. There are also some ... difficulties and problems, e.g., because the process stops during production. When the process is restarted, the first layer may be thicker due to technological limitations. In this paper, the effects caused by the presence of these thicker layers were investigated. The possibility of re-melting the layers to reduce porosity were also analysed. A tool steel powder grade 1.2709 was used to produce samples with an increased thickness of melted layers.Vir: Strojniški vestnik = Journal of mechanical engineering. - ISSN 0039-2480 (Vol. 66, no. 6, Jun. 2020, str. 351-357)Vrsta gradiva - članek, sestavni delLeto - 2020Jezik - angleškiCOBISS.SI-ID - 22539011
Avtor
Hatos, István |
Fekete, Imre |
Harangozó, Dóra |
Hargitai, Hajnalka
Teme
DMLS |
SLM |
porosity |
layer thickness |
mechanical properties |
laser re-melting |
1.2709 steel |
poroznost |
debelina sloja |
mehanske lastnosti |
lasersko pretaljevanje |
jeklo 1.2709
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vir: Strojniški vestnik = Journal of mechanical engineering. - ISSN 0039-2480 (Vol. 66, no. 6, Jun. 2020, str. 351-357)
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Hatos, István | ![]() |
Fekete, Imre | ![]() |
Harangozó, Dóra | ![]() |
Hargitai, Hajnalka | ![]() |
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