US 7,320,241 B2 | ||
Ultrasonic inspection reference standard for composite materials | ||
Jeffrey R. Kollgaard, Kent, Wash. (US); and David Truong, Seattle, Wash. (US) | ||
Assigned to The Boeing Company, Chicago, Ill. (US) | ||
Filed on Nov. 04, 2005, as Appl. No. 11/267,671. | ||
Prior Publication US 2007/0101815 A1, May 10, 2007 | ||
Int. Cl. G01N 29/30 (2006.01) |
U.S. Cl. 73—1.86 | 12 Claims |
1. A system for inspecting composite materials, comprising:
an ultrasonic inspection apparatus for ultrasonically scanning a material comprising a composite material to be inspected;
and
a block comprising a reference composite material corresponding to the composite material to be tested, the block including:
a first plurality of rectangular parallel channels within the block, wherein each channel includes a flat surface and each
flat surface is co-planar; and
a second plurality of rectangular parallel channels within the block, perpendicular to the first plurality of channels, wherein
each channel of the second plurality of channels includes a flat surface and each flat surface is co-planar and wherein the
second plurality of channels is located on a separate plane as the first plurality of channels.
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