Patent · US Expired

Diamond-like-carbon coated aramid fibers having improved mechanical properties

US6432537B1 · kind B1 · utility

22Cited by
8References
9Claims
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Key dates

Filing dateMay 29, 1998
Grant dateAug 13, 2002
Priority date
Expiry dateMay 29, 2018

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/30
  • WIPO fieldTextile and paper machines
  • WIPO sectorMechanical engineering

Abstract

A process for improving the mechanical properties, particularly the flexural rigidity, of aramid fibers by directly depositing a diamond-like-carbon coating onto the surface of the fibers is disclosed. Diamond-like-carbon (DLC) coated aramid fibers having increased flexural rigidity are also disclosed. DLC coated aramid fibers show an increase in flexural rigidity and suppression of low yielding behavior when compared to uncoated aramid fibers.

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