Cold Fracture
Definition
Fracture features assessed for a cooler filament state and alternative histories. Filament deformation and fracture can contribute to an assessment of lamp condition. Examine the full assembly, damage, deposits and possible later effects.
- Context
- Lamp examination
For example, a fractured lamp filament requires assessment of the assembly and damage history before its operating state at impact can be inferred.
One feature alone does not prove whether a light was operating at impact. Heating history, subsequent damage and alternative mechanisms require consideration.
Related terms
- Hot Shock
- Deformation associated with force acting on a hot filament, interpreted with the full lamp condition. Examine the full assembly, damage, deposits and...
- Representative Reference
- Material selected to represent the actual proposed source region and relevant variation. Document location, depth, time and collection method where they affect...
- Vehicle-Condition Finding
- Observation or interpretation about a component, separate from driver responsibility. A component condition can be examined as part of a failure sequence....