EFFECTS OF SOLIDIFICATION VARIABLES ON THE STRUCTURE OF ALUMINUM BASE ALLOYS.

Abstract

An analytic and experimental study was made of the factors influencing dendritic structure, microsegregation and porosity in aluminum-base alloys produced under various growth conditions. Apparatus designed for controlled ingot solidification was used to study (a) interrupted solidification, (b) programmed solidification, (c) unidirectional solidification, (d) solidification under vibration, (e) liquid metal feeding of solidification shrinkage, and (f) slow solidification with high local temperature gradient ('Grain Refinement Probe').

Document Details

Document Type
Technical Report
Publication Date
Jun 01, 1965
Accession Number
AD0618413

Entities

People

  • H. D. Brody
  • Merton C. Flemings
  • T. F. Bower

Organizations

  • Massachusetts Institute of Technology

Tags

DTIC Thesaurus Topics

  • Aluminum
  • Dendritic Structure
  • Isotherms
  • Liquid Metals
  • Liquids
  • Metals
  • Porosity
  • Solidification
  • Temperature Gradients
  • Transition Temperature
  • Unidirectional
  • Vibration

Fields of Study

  • Materials science

Readers

  • Materials Science (Mechanical Engineering).
  • Metallurgy