Table 1.
Properties of resin castable wax V1.
Table 2.
Chemical composition (wt.%) of the 304 austenitic stainless steel [19].
Fig 1.
(A) Design of the tensile test sample, (B) tensile test samples with various infill ratios, (C) printing direction tensile test sample, (D) design of surface roughness test sample and measurement position, (E) surface roughness test with difference infill ratio, (F) printing direction step sample pattern, and (G) Form 3 3DP machine.
Fig 2.
Process of tensile test.
Fig 3.
Investment casting process with 3DP pattern.
Fig 4.
(A) 3D printed samples, (B) roughness testing of 3D printed samples, (C) casted part samples, and (D) roughness testing of casted parts.
Fig 5.
(A) Tensile stress-strain curves, (B) Young’s modulus, (C) tensile strength, and (D) work of extension of the various printed specimens with increased infill ratios. In plots (B)–(D), error bars indicate the mean absolute deviation (n = 5).
Fig 6.
(A) Compare actual and nominal mass values. (B) Unpolymerized resin.
Fig 7.
The de-plastic process with various temperatures.
Fig 8.
The de-plastic process done under the same temperature conditions and different infill ratios.
Fig 9.
(A) Mold with cracks, (B) inside crack with porous and surface microstructure.
Fig 10.
The surface roughness of the 3D printed parts and cast part (Ra in micrometer).