Page 25 - PR 2014 2016 10 Materials and Nanotechnology
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Materials and Nanotechnology | Progress Report 301
shows that the SLM technique provides supe- geneity, differentiated by the gross dendritic
rior mechanical properties (yield stress, rup- microstructure in the casting process (Figure
ture stress, maximum stress, elongation and 33 c and d) . In this way, the development of
hardness), compared to those obtained by the the present study evidenced superior quality
precision casting technique; the microstruc- in manufacturing customized dental compo-
ture obtained by the SLM process results in nents (copings) by SLM technique compared
an ultrafine grains with high chemical homo- to precision casting.
Figure 33: (a) Wax models machined in the standard dimensions
– precision casting (PC), (b) Orientation in selective laser melting
(SLM) consolidation of the standard samples and SEM micrographies
of CoCrMo (c) PC (d) SLM
