Table 3 Grain size and Vickers hardness measurement results of the sintered trimodal feedstock with 60 vol.%, 65 vol.%, 70 vol.% and 75 vol.% (grain size was determined using ImageJ analysis and hardness measurement was done on 10 different spots for each sample).

From: Study of solid loading of feedstock using trimodal iron powders for extrusion based additive manufacturing

 

Trimodal 60 vol.%

Trimodal 65 vol.%

Trimodal 70 vol.%

Trimodal 75 vol.%

Grain size (μm)

35.85 \(\pm\) 2.22

37.74 \(\pm\) 4.33

33.43 \(\pm\) 1.60

34.22 \(\pm\) 0.67

Hardness (HV)

69.50 \(\pm\) 4.71

78.12 \(\pm\) 7.11

80.67 \(\pm\) 6.45

65.67 \(\pm\) 0.49