Patent · US Expired

Composite member having increased resistance to delamination and method of making same

US6544366B2 · kind B2 · utility

15Cited by

1References

3Claims

0Family size

Assignee

McDonnell Douglas Corporation · US

Inventors

Brian K. Hamilton · Mesa, US
Stephen L. Guymon · Mesa, US

Key dates

Filing date	Jul 5, 2001
Grant date	Apr 8, 2003
Priority date	—
Expiry date	Jul 5, 2021

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T428/24793
WIPO fieldSurface technology, coating
WIPO sectorChemistry

Abstract

A composite member having increased resistance to delamination includes a reinforcing wrap of fiber-matrix composite material which is encircled about the member so that the edge surfaces of the member are covered by the wrap. The wrap includes fibers which are oriented from about −60° to about +60° relative to the direction along which the reinforcing wrap is wrapped about the member. The fibers of the reinforcing wrap impart increased third-axis or Z-direction strength at the edges of the member where interlaminar tensile stresses are greatest.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.