Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Microscale simulation of martensitic microstructure evolution.

Valery I Levitas1, Alexander V Idesman, Dean L Preston

  • 1Center for Mechanochemistry and Synthesis of New Materials, Department of Mechanical Engineering, Texas Tech University, Lubbock, Texas 79409-1021, USA.

Physical Review Letters
|September 28, 2004
PubMed
Summary
This summary is machine-generated.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Unusual plastic strain-induced phase transformation phenomena in silicon.

Nature communications·2024
Same author

Tensorial stress-plastic strain fields in α - ω Zr mixture, transformation kinetics, and friction in diamond-anvil cell.

Nature communications·2023
Same author

Resolving puzzles of the phase-transformation-based mechanism of the strong deep-focus earthquake.

Nature communications·2022
Same author

Highly reactive energetic films by pre-stressing nano-aluminum particles.

RSC advances·2022
Same author

Nontrivial nanostructure, stress relaxation mechanisms, and crystallography for pressure-induced Si-I → Si-II phase transformation.

Nature communications·2022
Same author

Stress-Measure Dependence of Phase Transformation Criterion under Finite Strains: Hierarchy of Crystal Lattice Instabilities for Homogeneous and Heterogeneous Transformations.

Physical review letters·2020

A new scale-free model describes martensitic microstructure evolution in materials. This thermodynamic model applies to larger length scales, unlike previous nanoscale-limited approaches.

Area of Science:

  • Materials Science
  • Thermodynamics
  • Solid Mechanics

Background:

  • Landau-Ginzburg models are limited to nanoscale specimens for martensitic microstructure evolution.
  • Understanding martensitic microstructure formation is crucial for material properties.

Purpose of the Study:

  • Develop a new scale-free model for multivariant martensitic microstructure evolution.
  • Extend the applicability of models beyond the nanoscale.

Main Methods:

  • Developed a thermodynamic potential based on martensitic variant volume fractions.
  • The potential exhibits an instability driving microstructure formation.
  • Simulated microstructures in single crystals and polycrystals under uniaxial loading.

Main Results:

Related Experiment Videos

  • The new model is valid for length scales greater than 100 nm and without an upper bound.
  • Simulated microstructures show qualitative agreement with experimental observations.
  • The model captures microstructure formation driven by thermodynamic instability.

Conclusions:

  • The developed scale-free model provides a new framework for studying martensitic microstructure evolution.
  • This model overcomes limitations of previous nanoscale-specific approaches.
  • The findings are relevant for understanding and predicting material behavior in larger specimens.