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Title: Internal stress distribution for generating closure domains in laser-irradiated Fe–3%Si(110) steels

Internal stress distribution for generating closure domains occurring in laser-irradiated Fe–3%Si(110) steels was investigated using high-energy X-ray analysis and domain theory based on the variational principle. The measured triaxial stresses inside the specimen were compressive and the stress in the rolling direction became more dominant than stresses in the other directions. The calculations based on the variational principle of magnetic energy for closure domains showed that the measured triaxial stresses made the closure domains more stable than the basic domain without closure domains. The experimental and calculation results reveal that the laser-introduced internal stresses result in the occurrence of the closure domains.
Authors:
 [1] ;  [2] ; ; ; ;  [3] ;  [1] ;  [4] ;  [5] ;  [6]
  1. Advanced Technology Research Laboratories, Nippon Steel and Sumitomo Metal Corporation, Futtsu, Chiba 293-8511 (Japan)
  2. (Japan)
  3. Department of Mechanical Systems Engineering, Tokyo City University, Tokyo, 158-0087 (Japan)
  4. Quantum Beam Science Directorate, Japan Atomic Energy Agency, Sayo, Hyogo 679-5148 (Japan)
  5. Quantum Beam Science Directorate, Japan Atomic Energy Agency, Naka, Ibaraki 319-1195 (Japan)
  6. Research Institute of Electrical Communication, Tohoku University, Aoba, Sendai 980-8577 (Japan)
Publication Date:
OSTI Identifier:
22409936
Resource Type:
Journal Article
Resource Relation:
Journal Name: Journal of Applied Physics; Journal Volume: 117; Journal Issue: 17; Other Information: (c) 2015 AIP Publishing LLC; Country of input: International Atomic Energy Agency (IAEA)
Country of Publication:
United States
Language:
English
Subject:
75 CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY; DOMAIN STRUCTURE; IRRADIATION; LASER RADIATION; PHYSICAL RADIATION EFFECTS; RESIDUAL STRESSES; ROLLING; SILICON ALLOYS; STEELS; VARIATIONAL METHODS; X RADIATION