Combat Maintenance Concepts and Repair Techniques Using Shape Memory Alloys for Fluid Lines, Control Tubes, and Drive Shafts.

Abstract

This report describes the design and testing of couplings fabricated from shape-memory brass (Betalloy) and used for the repair of helicopter battle-damaged hydraulic lines (rigid and flexible), control tubes, and drive shafts. Flameless heaters were investigated for fueled aircraft. Hydraulic rigid couplings generally exceeded the strength of the tubing. Flexible couplings were sensitive to installation. C-type couplings for nonsevered damaged tubing added to the strength significantly but were difficult to fabricate large enough to fit over the tubing without cutting the tube. (Author)

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Document Details

Document Type
Technical Report
Publication Date
Mar 01, 1983
Accession Number
ADA127826

Entities

People

  • J. R. Yaeger

Tags

Communities of Interest

  • Autonomy

DTIC Thesaurus Topics

  • Aircrafts
  • Alloys
  • Couplings
  • Crystal Structure
  • Drive Shafts
  • Failure Mode And Effect Analysis
  • Flexible Couplings
  • Fluids
  • Government Procurement
  • Helicopters
  • Hydraulic Tests
  • Manufacturing
  • Materials
  • Mechanical Properties
  • Shape Memory Alloys
  • Tail Rotors
  • Tensile Properties

Readers

  • Electrical Engineering
  • Metallurgy
  • Robotics and Automation.