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Table 5 Maximum load (N), ultimate tensile stress (UTS MPa) and tensile strain (mm) average over five repeat tests for the Ti-64 ELI samples graphed in Fig. 8 with measured mean roughness Ra, Sa, Rq, Sq, Rsk and Ssk

From: Experimental investigation into the effect of surface roughness and mechanical properties of 3D-printed titanium Ti-64 ELI after heat treatment

Tensile test

Surface roughness conditions

Ra

Rq

Rsk

Sq

Sa

Ssk

Maximum load (N)

UTS (MPa)

Tensile strain (mm)

1

10 × horizontal direction

4.09

5.87

0.79

13.71

10.62

0.361

7630.58

968.35

2.02

2

10 × horizontal direction

4.48

5.97

0.85

12.11

9.36

0.31

7527.35

955.25

2.18

3

10 × horizontal direction

4.54

5.98

1.11

12.69

9.92

0.48

7689.41

961.18

2.43