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Materials and Nanotechnology | Progress Report 309
stress, rupture stress, maximum stress, elon- dendritic microstructure in the casting process
gation and hardness), compared to those ob- (Figure 33 c and d) . In this way, the develop-
tained by the precision casting technique; the ment of the present study evidenced superi-
microstructure obtained by the SLM process or quality in manufacturing customized den-
results in an ultrafine grains with high chem- tal components (copings) by SLM technique
ical homogeneity, differentiated by the gross compared to precision casting.
Figure 33: (a) Wax models machined in the standard di-
mensions – precision casting (PC), (b) Orientation in selec-
tive laser melting (SLM) consolidation of the standard sam-
ples and SEM micrographies of CoCrMo (c) PC (d) SLM
