A pop rivet failed while being used to hold two structural members together. A series of views of the failed pop rivet are shown below.
Overall view of failed pop rivet
The failed pop rivet exhibited a typical cup and cone fracture appearance. This indicated that the pop rivet failed in tension.
Overall view of failed pop rivet shank
Close-up view of failed pop rivet. Note distinct cup and cone fracture (mag 30x). Close-up views of the cup and cone fracture, indicating tensile overload, are shown in photographs below.
View of bottom of cup fracture. Center fracture area failed in tension.