Brittle to Ductile Transition in Cleavage Fracture of Alpha-Iron: Experiments and Modeling of Mechanisms

Abstract

In this research the mechanisms of the brittle to dud tile transition of fracture initiated primarily by crack tip processes under both quasi-static as well as dynamic conditions was studied experimentally, and mechanistically modeled. Additional experiments and modeling included the role of grain boundaries in resisting cleavage cracking among grains in Fe-3%Si alloy, also associated with modeling.

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Document Details

Document Type
Technical Report
Publication Date
Feb 15, 2002
Accession Number
ADA399849

Entities

People

  • Ali S. Argon

Organizations

  • Massachusetts Institute of Technology

Tags

Communities of Interest

  • Air Platforms
  • Energy and Power Technologies

DTIC Thesaurus Topics

  • Computational Science
  • Crack Tips
  • Crystal Structure
  • Crystallography
  • Crystals
  • Elastic Properties
  • Fracture (Mechanics)
  • Materials
  • Materials Science
  • Mechanical Engineering
  • Mechanical Working
  • Mechanics
  • Military Research
  • Modulus Of Elasticity
  • Physical Theories
  • Plastic Properties
  • Transition Temperature

Readers

  • Computational Modeling and Simulation
  • Materials Science (Mechanical Engineering).
  • Materials Science and Engineering.