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Titanium Matrix Composite Durability Analyses for the Design of Airframe Structures

Harmon, DM
Principal technical specialist, project engineer, and MDC fellow,McDonnell Douglas Aerospace,MO,

Finefield, MA
Principal technical specialist, project engineer, and MDC fellow,McDonnell Douglas Aerospace,MO,

Saff, CR
Principal technical specialist, project engineer, and MDC fellow,McDonnell Douglas Aerospace,MO,

Harter, JA
Research engineer,Wright Laboratories, WL/FIBEC,OH,

Pages: 20    Published: Jan 1996

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Source: STP1253-EB

Abstract

A fatigue life prediction technique is described for use with titanium matrix composite materials. Damage modes specific to this material system are discussed for unnotched and center-notched laminates. Test data for isothermal fatigue and thermomechanical fatigue specimens are compared against predictions made using the analysis method.

Keywords:
titanium matrix composites, damage modes, damage initiation, life prediction, titanium, titanium alloys, fatigue (materials), modeling

Paper ID: STP18239S
Committee/Subcommittee: D30.04
DOI: 10.1520/STP18239S
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