Accession Number:

ADA142807

Title:

Evaluation of a Vibration Technique for Detection of Barely-Visible Impact-Damage in Composites

Descriptive Note:

Technical memo.

Corporate Author:

AERONAUTICAL RESEARCH LABS MELBOURNE (AUSTRALIA)

Personal Author(s):

• Jones, R.
• Goldman, A.

Report Date:

1983-12-01

Pagination or Media Count:

21.0

Abstract:

A vibration analysis technique has been used for nondestructive evaluation of the integrity of fiber composite components which contain barely- visual impact-damage. A description of the method and the associated problems is presented together with the results of laboratory tests.

Descriptors:

• *ULTRASONIC TESTS
• *COMPOSITE MATERIALS
• *VIBRATION
• *FIBER REINFORCED COMPOSITES
• *CRACKS
• AUSTRALIA
• ACOUSTIC EMISSIONS
• COMPOSITE STRUCTURES
• NONDESTRUCTIVE TESTING
• DAMAGE
• IMPACT
• FOREIGN TECHNOLOGY
• STRUCTURAL ANALYSIS

Subject Categories:

• Laminates and Composite Materials
• Test Facilities, Equipment and Methods
• Acoustics
• Mechanics

Distribution Statement:

APPROVED FOR PUBLIC RELEASE