Effect of conductivity between fasteners and aluminum skin on eddy current specimens
Conference
·
OSTI ID:460783
- Sandia National Labs., Albuquerque, NM (United States)
- Boeing Co., Seattle, WA (United States). Commercial Airplane Group
The Federal Aviation Administration Airworthiness Assurance Nondestructive Inspection Validation Center (FAA-AANC) and Boeing Commercial Airplane Group are currently developing a study pertaining to the detection of cracks in multi-layered aluminum sheets. The specimen panels model pertinent aspects of the lap splice joints for Boeing 737 aircraft, Line Numbers 292 - 2565. Upon initial characterization of the specimen panels, it became clear that signals produced from a sliding probe at fastener sites were not representative of an in-service lap splice, and therefore, could not be used in a probability of detection experiment. This paper discusses specimen characterization and steps taken to make the specimens useful for nondestructive technology assessment.
- Research Organization:
- Sandia National Labs., Albuquerque, NM (United States)
- Sponsoring Organization:
- USDOE, Washington, DC (United States)
- DOE Contract Number:
- AC04-94AL85000
- OSTI ID:
- 460783
- Report Number(s):
- SAND--97-0379C; CONF-970311--1; ON: DE97004208
- Country of Publication:
- United States
- Language:
- English
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