A36 HR Steel Tension Sample

cup & cone fracture surface of 5/8"-diameter sample

cone

cup

 

A36 Tension Fracture at 35X

Looking down on the cone.

150X

Note the dust particles on surface.

1500X

Note the equi-axial microvoids.

Also note the second-phase particles sitting in the microvoids.

3500X

15,000X

taken by Jeff Thomas with a JEOL SEM