Modeling Grain Boundary Mobility During Dynamic Recrystallization of Metallic Alloys (Preprint)

Abstract

A simple analytical model is proposed for estimating grain boundary mobility during dynamic recrystallization in metallic alloys. The combined effects of solutes (solute drag) and second phase particles (Zener pinning) on mobility are considered. The approach is based on (and is consistent with) a recently published mesoscale model of discontinuous dynamic recrystallization. The dependence of grain boundary mobility on solute concentration and particle size is summarized in the form of two-dimensional maps.

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Document Details

Document Type
Technical Report
Publication Date
Apr 01, 2009
Accession Number
ADA502302

Entities

People

  • D. Piot
  • F. Montheillet
  • G. Damamme
  • S. L. Semiatin

Organizations

  • Air Force Research Laboratory

Tags

Communities of Interest

  • Energy and Power Technologies

DTIC Thesaurus Topics

  • Air Force
  • Air Force Facilities
  • Air Force Research Laboratories
  • Boundaries
  • Diameters
  • Dislocations
  • Equations
  • Grain Boundaries
  • Grain Size
  • Hardening
  • Materials
  • Mobility
  • Particles
  • Recrystallization
  • Steady State
  • Strain Hardening
  • United States

Readers

  • Agricultural Chemistry/Soil Science
  • Mechanical Engineering/Mechanics of Materials.
  • Semiconductor Device Technology