Non-destructive testing of bonding laminates

Details Non-destructive testing of bonding laminates Non-destructive testing of bonding laminates

1976-07-09

1977-08-23

Myracle, Jerry W.

Measuring and testing

With fluid pressure

Dimension, shape, or size

73 672, 73 88B, G01N 2900

Patent

active

040431797

ABSTRACT:
A system responsive to pressure differential is provided for non-destructive testing of the bonding between a face sheet and the attached core of a laminated or like composited structure, including an internally evacuated transducer arranged to glide easily over the surface being scanned while maintaining a constant or pulsating vacuum. Displacement of the face sheet is detected by the transducer which generates a signal indicative of the extent of the defective bond.

REFERENCES:
patent: 2512134 (1950-06-01), Baule
patent: 2694924 (1954-11-01), Matlock et al.
patent: 3564903 (1971-02-01), Woodmansee et al.

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