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Electromagnetic Effects on Materials
Research Guide
What is Electromagnetic Effects on Materials?
Electromagnetic Effects on Materials is the study of how electromagnetic fields and currents influence the microstructure evolution, mechanical properties, recrystallization kinetics, and phase transformations in metallic alloys, ceramics, and solids.
This field encompasses 8,209 published works examining electrically-assisted deformation through electropulsing and electroplasticity in metallic alloys. Key investigations cover magnetoplastic effects, thermal behavior in metals and ceramics, and solid-state phase transformations. Research demonstrates impacts on dislocation motion, grain boundaries, and conduction electron behavior under magnetic fields.
Topic Hierarchy
Research Sub-Topics
Electropulsing Induced Microstructure Evolution
This sub-topic studies accelerated recrystallization, dislocation annihilation, and phase refinement in metals under high-current pulses. TEM and EBSD characterize pulse parameters effects.
Electroplasticity in Metallic Alloys
Researchers investigate current-enhanced ductility, flow stress reduction, and deformation mechanisms via electron wind and Joule heating. Alloy-specific behaviors are modeled.
Magnetoplastic Effect in Solids
Studies explore magnetic field influences on dislocation mobility, twinning, and brittle-ductile transitions in non-magnetic crystals. Low-field phenomena are emphasized.
Electrically Assisted Recrystallization Kinetics
This area quantifies pulse acceleration of nucleation and grain growth rates using Avrami analysis. Temperature-current interactions in FCC/BCC metals are probed.
Current Effects on Solid State Phase Transformations
Research examines electric current modifications to martensitic, bainitic, and diffusional transformations in steels. Thermokinetic and athermal influences are delineated.
Why It Matters
Electromagnetic effects enable control over material deformation and properties, with applications in electromagnetic wave absorption using ferrites. "Application of Ferrite to Electromagnetic Wave Absorber and its Characteristics" by Naito and Suetake (1971) identifies a matching frequency f_m and thickness t_m for ferrite-based absorbers, achieving effective microwave attenuation. Studies like "Cyclotron Resonance of Electrons and Holes in Silicon and Germanium Crystals" by Dresselhaus et al. (1955) reveal carrier dynamics in semiconductors, supporting device engineering in electronics. Magnetoplastic effects and dislocation forces, as in "The Forces Exerted on Dislocations and the Stress Fields Produced by Them" by Peach and Koehler (1950), inform alloy processing for improved strength.
Reading Guide
Where to Start
"Cyclotron Resonance of Electrons and Holes in Silicon and Germanium Crystals" by Dresselhaus, Kip, and Kittel (1955) provides an accessible experimental and theoretical entry with clear cyclotron resonance measurements in familiar semiconductors.
Key Papers Explained
"Resonance Absorption by Nuclear Magnetic Moments in a Solid" by Purcell, Torrey, and Pound (1946) establishes nuclear magnetic resonance fundamentals, foundational for later works like "Cyclotron Resonance of Electrons and Holes in Silicon and Germanium Crystals" by Dresselhaus et al. (1955), which extends to electron-hole dynamics. "Dislocation Models of Crystal Grain Boundaries" by Read and Shockley (1950) and "The Forces Exerted on Dislocations and the Stress Fields Produced by Them" by Peach and Koehler (1950) build dislocation theory for electromagnetic influences on microstructure. "Single Band Motion of Conduction Electrons in a Uniform Magnetic Field" by Harper (1955) connects electron motion to these models.
Paper Timeline
Most-cited paper highlighted in red. Papers ordered chronologically.
Advanced Directions
Current frontiers emphasize electrically-assisted deformation and electroplasticity in alloys, focusing on microstructure evolution and phase transformations, as inferred from the 8,209 works in the cluster. No recent preprints or news available.
Papers at a Glance
| # | Paper | Year | Venue | Citations | Open Access |
|---|---|---|---|---|---|
| 1 | Resonance Absorption by Nuclear Magnetic Moments in a Solid | 1946 | Physical Review | 5.8K | ✓ |
| 2 | Dislocation Models of Crystal Grain Boundaries | 1950 | Physical Review | 2.1K | ✕ |
| 3 | Single Band Motion of Conduction Electrons in a Uniform Magnet... | 1955 | Proceedings of the Phy... | 1.4K | ✕ |
| 4 | Cyclotron Resonance of Electrons and Holes in Silicon and Germ... | 1955 | Physical Review | 1.2K | ✕ |
| 5 | Spin-density-wave antiferromagnetism in chromium | 1988 | Reviews of Modern Physics | 1.1K | ✕ |
| 6 | The Forces Exerted on Dislocations and the Stress Fields Produ... | 1950 | Physical Review | 982 | ✕ |
| 7 | Dispersion and absorption in magnetic ferrites at frequencies ... | 1948 | Physica | 940 | ✕ |
| 8 | The growth of grain-boundary voids under stress | 1959 | Philosophical magazine | 928 | ✕ |
| 9 | Application of Ferrite to Electromagnetic Wave Absorber and it... | 1971 | IEEE Transactions on M... | 873 | ✕ |
| 10 | On the theory of the formation of martensite | 1953 | Medical Entomology and... | 771 | ✕ |
Latest Developments
Recent developments in electromagnetic effects on materials research include the discovery of surprising electromagnetic behaviors prompted by subtle twists in materials (phys.org), advancements in quantum entanglement for precise electromagnetic measurements (sciencedaily.com), and progress in high-entropy materials for electromagnetic wave absorption (pubs.rsc.org), as of December 2025 and February 2026.
Sources
Frequently Asked Questions
What is cyclotron resonance in semiconductor crystals?
"Cyclotron Resonance of Electrons and Holes in Silicon and Germanium Crystals" by Dresselhaus, Kip, and Kittel (1955) details experiments on charge carriers in silicon and germanium at 4°K using light-modulation techniques for high signal-to-noise ratios. The study measures electron and hole motion under magnetic fields. Results align theoretical predictions with observed resonance frequencies.
How do magnetic fields affect conduction electrons in metals?
"Single Band Motion of Conduction Electrons in a Uniform Magnetic Field" by Harper (1955) models tight-binding approximations in simple cubic crystals. Uniform magnetic fields cause non-uniform spacing and broadening of discrete magnetic levels compared to free electrons. This explains altered electron motion in metals.
What role do dislocations play in grain boundaries?
"Dislocation Models of Crystal Grain Boundaries" by Read and Shockley (1950) uses dislocation theory to predict energies and motions of grain boundaries. Quantitative models apply to simple boundaries with rotation axes in the boundary plane. The work establishes foundational mechanics for polycrystalline materials.
How do ferrites function in electromagnetic wave absorption?
"Application of Ferrite to Electromagnetic Wave Absorber and its Characteristics" by Naito and Suetake (1971) describes ferrite and rubber-ferrite absorbers with matching frequency f_m and thickness t_m. These parameters optimize absorption by balancing impedance. The configuration attenuates microwave waves effectively.
What is spin-density-wave antiferromagnetism in chromium?
"Spin-density-wave antiferromagnetism in chromium" by Fawcett (1988) reviews macroscopic and microscopic properties, emphasizing neutron scattering data. It covers chromium alloys and historical experimental progress. The account details incommensurate magnetic ordering.
What forces act on dislocations under stress?
"The Forces Exerted on Dislocations and the Stress Fields Produced by Them" by Peach and Koehler (1950) derives the force dF on a dislocation element as dF = ν × (f · τ), where ν is the line element, f the Burgers vector, and τ the stress. This quantifies electromagnetic and stress interactions. The formula applies to crystal plasticity.
Open Research Questions
- ? How do pulsed electric currents precisely control recrystallization kinetics in alloys during deformation?
- ? What mechanisms link magnetoplastic effects to dislocation dynamics in ceramics under varying fields?
- ? How do thermal behaviors from electropulsing influence solid-state phase transformations in metals?
- ? What are the limits of ferrite matching frequency and thickness for broadband electromagnetic absorption?
- ? How do spin-density waves in chromium alloys respond to external electric currents?
Recent Trends
The field maintains 8,209 works with no specified 5-year growth rate.
Emphasis persists on foundational effects like cyclotron resonance and dislocation models from 1940s-1950s papers, including 5,819 citations for Purcell et al. and 2,116 for Read and Shockley (1950).
1946No recent preprints or news reported.
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