Research to Develop Process Models for Producing a Dual Property Titanium Alloy Compressor Disk.

Abstract

This program is aimed at developing a science-based methodology for analyzing, optimizing, and designing metal-deformation processes to control microstructure and properties in a finished part. The validity and application of this approach will be demonstrated by developing forging process for a compressor disk from Ti-6242 alloy, as an example. Material behavior under processing conditions is being characterized by developing constitutive equations, formability and workability indices, and processing condition-microstructure-property maps. Computerized process models for axisymmetric deformation from rate-sensitive materials were developed. A test procedure for determining interface heat-transfer and friction coefficients was developed. The material, process, and interface models are being integrated in a system of computer programs for designing and optimizing the forging process for a compressor disk. Finally, the validity of these models will be evaluated by forging a sub-scale compressor disk from Ti-6242. (Author)

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Document Details

Document Type
Technical Report
Publication Date
Oct 01, 1981
Accession Number
ADA112271

Entities

People

  • G. D. Lahoti
  • T. Altan

Organizations

  • Battelle Memorial Institute

Tags

Communities of Interest

  • Advanced Electronics
  • C4I
  • Energy and Power Technologies
  • Space

DTIC Thesaurus Topics

  • Chemical Synthesis
  • Chemistry
  • Computational Science
  • Crystal Structure
  • Finite Element Analysis
  • Heat Transfer
  • Manufacturing
  • Materials
  • Materials Engineering
  • Materials Laboratories
  • Materials Science
  • Materials Testing
  • Mechanical Properties
  • Mechanical Working
  • Mechanics
  • Phase Transformations
  • Solid Solutions

Readers

  • Computational Modeling and Simulation
  • Fluid Dynamics.
  • Metallurgy