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Title: Physical and electrical properties of melt-spun Fe-Si (3–8 wt%) soft magnetic ribbons

Journal Article · · Materials Characterization
 [1];  [1];  [1]; ORCiD logo [2];  [1];  [1];  [3];  [4]
  1. Pacific Northwest National Lab. (PNNL), Richland, WA (United States)
  2. Univ. of California, Riverside, CA (United States)
  3. Univ. of Nebraska, Lincoln, NE (United States)
  4. Pacific Northwest National Lab. (PNNL), Richland, WA (United States); Univ. of California, Riverside, CA (United States)

Fe-Si alloys ranging from 3 to 8 wt% Si were rapidly solidified using melt spinning. Wheel speeds of 30 m/s and 40 m/s were employed to vary cooling rates. Mössbauer spectroscopic studies indicated the Si content significantly influenced the number of Fe sites, relative abundance of various Fe species, and internal magnetic fields/structural environments. Wheel speed altered Fe speciation only in the 3 wt% sample. Scanning electron microscopy confirmed that increasing the wheel speed refined both the ribbon thickness and grain size. Electron backscatter diffraction results suggest tailoring melt spinning process parameters and alloy chemistry may offer the ability to manipulate {001} texture development. In conclusion, electrical resistivity measurements were observed to increase in response to elevated Si content. Increased hardness was correlated to elevated Si content and wheel speed.

Research Organization:
Pacific Northwest National Lab. (PNNL), Richland, WA (United States)
Sponsoring Organization:
USDOE
Grant/Contract Number:
AC05-76RL01830
OSTI ID:
1413521
Report Number(s):
PNNL-SA-129219; PII: S1044580317326487
Journal Information:
Materials Characterization, Vol. 136; ISSN 1044-5803
Publisher:
ElsevierCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 14 works
Citation information provided by
Web of Science

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Microwave absorption properties of easy-plane anisotropy Fe–Si powders with surface modification in the frequency range of 0.1–4 GHz journal June 2019

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