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Materials Science in Additive Manufacturing Heat treatment on bimetallic parts
the porosity of the entire part decreases, as depicted SEM analysis revealed a comparable phenomenon
in Figure 4, which uses images from OM taken at three occurring at the interface, irrespective of whether heat
different locations along the interface. treatment was applied or not, as shown in Figure 4. To
Figure 3. Optical micrographs of the bimetallic part at different dwell times. (A) 1 h, (B) 4 h, (C) 8 h, and (D) 8 h + aging, all at 482°C/h. Scale bars: 200
µm; magnification: ×222. The enlarged images (A1, B1, C1, and D1) represent chemically etched surfaces after polishing. Scale bars: 100 µm; magnification:
×555.
Figure 4. Internal porosity of samples at different heat treatment conditions.
Note: Images were processed using ImageJ software.
Volume 3 Issue 2 (2024) 6 doi: 10.36922/msam.3281
