Abstract: A method for repairing a composite structure is herein disclosed, as well as a corresponding structure repaired using such methods. The structural repair method is a new fill-and-patch-type system that generally includes forming a recess in the structure and placing both a threaded insert and a potting material in the recess. Generally after the potting material has hardened, a patch is adhered to the potting material-filled recess, and a fixture is disposed over the recess. By directing a threaded fastener through the fixture and into the threaded insert, the fixture is drawn toward the structure and compresses the patch against the filled recess via the threaded fastener being tightened to supply sufficient compressional force to assist in bonding the patch to the repaired structure.

Abstract: A separation system for separating a first section from a second section is disclosed. In one embodiment, the separation system includes first and second doublers for initially interconnecting the first and second sections, an expandable explosive system contained in a cavity defined by the first and second doublers and first and second sections, and first and second staggered grooves positioned on the first and second doublers, the first and second doublers severable along break planes defined by the first and second staggered grooves to facilitate a substantially collision-free separation and ejection of the first section relative to the second section.

Abstract: A separation system for separating a first section from a second section is disclosed. In one embodiment, the separation system includes first and second doublers for initially interconnecting the first and second sections, an expandable explosive system contained in a cavity defined by the first and second doublers and first and second sections, and a slide plane including first and second slide members, the first and second slide members slidably engagable with each other for at least initially guiding the first section away from and relative to the second section upon severance of the first and second doublers.

Abstract: A separation system for separating a first section from a second section is disclosed. In one embodiment, the separation system includes first and second doublers for initially interconnecting the first and second sections, an expandable explosive system contained in a cavity defined by the first and second doublers and first and second sections, first and second grooves positioned on the first and second doublers, the first and second doublers severable along break planes defined by the first and second grooves, and bend augmenters associated with at least one of the first and second doublers to facilitate hinging of the doubler upon firing of the explosive, which thereby reduces separation shock.