Fatigue Initiation Study of Investment CAST Ti-6A1-4V Alloy,

Abstract

Investment cast Titanium and Aluminum Alloys save Material/labor/time/cost compared to Wrought Material; Navy Goal -- Improved Quality Investment - Cast Ti-6A1-4V parts for the V-22 program; Fatigue-Critical Airframe Parts: Fatigue initiation dominates lifetime; Problem Areas of Castings: Residual porosity, inclusions, and effective grain size; Fatigue Initiation; Microstructure; Defect data required to optimize casting and HIPing parameters.

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Document Details

Document Type
Technical Report
Publication Date
Nov 01, 1995
Accession Number
ADA305154

Entities

People

  • D. S. Hurd
  • E. W. Lee

Organizations

  • Naval Air Warfare Center

Tags

Communities of Interest

  • Air Platforms

DTIC Thesaurus Topics

  • Abstracts
  • Aerial Warfare
  • Aircrafts
  • Airframes
  • Alloys
  • Aluminum
  • Aluminum Alloys
  • Business Administration
  • Classification
  • Grain Size
  • Inclusions
  • Information Operations
  • Instructions
  • Investments
  • Materials
  • Microstructure
  • Security

Fields of Study

  • Materials science

Readers

  • Defense Technology Research and Development.
  • Powder metallurgy of Titanium alloys.
  • Structural Health Monitoring of Composite Structures.