Effect of Laser Emission Parameters on Mechanical and Physical Properties of Cast Pure Titanium

Figure 11

Fracture surfaces after tensile testing. (a1) Grade 2 control specimen and (a2) magnified image from dotted square (subsurface area) in (a1). (b1) Laser-treated grade 2 Ti specimen (current: 220 A, pulse: 10 ms, and spot diameter: 1.0 mm) and (b2) magnified image from dotted square (laser-treated area) in (b1).