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Fig. 1
Tested samples; (A) geometry and build orientation, XY – horizontal, ZX – vertical, (B) samples after the ex-situ tensile test for the XY and ZX planes
Fig. 2
Ex-situ tensile tests using XCT: (A) volumetric model of the samples before the test, (B) mechanical testing, (C) volumetric model of the samples after the tensile test, (D) cross-section through the sample before and after the tensile test, with the origin point marked and the main dimensions. XCT, X-ray computed tomography
Fig. 3
Stress-strain characteristic for the: (A) XY plane, and (B) ZX plane
Fig. 4
XCT porosity detection; (A) sample XY before the tensile test, (B) sample XY after the tensile test, (C) sample ZX before the tensile test, (D) sample ZX after the tensile test; the force direction indicates the Y axis. XCT, X-ray computed tomography
Fig. 5
Distribution of porosity along the height of the sample with regards to the pores’ diameter: (A) XY sample, (B) ZX sample
Fig. 6
Cross-section of a sample from the XY series (A) before, and (B) after the static tensile test; cross-sections of a sample from the ZX series (D) before, and (E) after the tensile test; (C) and (F) – charts that show the changes in the value of porosity in the direction that is consistent with the direction of the force
Fig. 7
Porosity recorded in an ex-situ test for a sample from series: (A) XY, and (B) ZX
Fig. 8
Sphericity for the entire range of the registered pore diameters in an ex-situ test for a sample from series: (A) XY, and (B) ZX
Fig. 9
Sphericity of the largest pores (diameters >200 μm), as registered in the results of the ex-situ test: (A) for sample XY before the tensile test, (B) for sample XY after the tensile test, (D) for sample ZX before the tensile test, (E) for sample ZX after the tensile test; (C and F) – graphs that show changes in the pore size in the XY and ZX samples along the axis of the force before and after the tensile test
Fig. 10
Sphericity for the largest pores (diameters >200 μm) recorded in an ex-situ test for the sample from series: (A) horizontal (XY), and (B) vertical (ZX)
Fig. 11
Projected area in the plane perpendicular to the acting force for the largest pores (diameters >200 μm) for: (A) the horizontal manufacturing direction (XY), (B) the vertical manufacturing direction (ZX)
Fig. 12
Microscopic tensile post-mortem fracture images for sample manufactured in XY direction, SEM, BSE
Fig. 13
Microscopic tensile post-mortem fracture images for the samples manufactured in the ZX direction, SEM, BSE