Interfacial Fracture

Clean Nickel-Interface Fracture

A simple interface-following fracture image where the fracture path is easy to see before adding the complications of large voids or mixed-mode failure.

Scale 50 um scale shown
Observed feature Clean interfacial fracture at the solder/nickel-plating boundary
Likely mechanism Interface-following fracture at the solder/nickel-plating boundary
Clean interfacial fracture at the solder to nickel-plating boundary

Interpretation

Why this image matters

The fracture path is easy to identify without heavy interpretation overhead. This is a clear baseline example of interface-following fracture.

It works well as a comparison case next to more complex interface failures where voids, contamination, or mixed fracture paths are also present.

It also works well for fracture-path recognition before moving to more ambiguous images.

interfacial-fracture nickel-interface boundary-fracture comparison-image
Use this when

Best comparison value

  • Teaching clean interface-following fracture paths
  • Comparing simple interfacial fracture to mixed or void-affected fracture
  • Explaining why fracture-path mapping matters before assigning mechanism
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