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Effect of processing parameters on electrical, mechanical and magnetic properties of iron-resin soft magnetic composite

Hemmati, I ; Sharif University of Technology | 2007

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  1. Type of Document: Article
  2. DOI: 10.1179/174329007X185580
  3. Publisher: 2007
  4. Abstract:
  5. In the present paper, a practical thermal treatment process has been introduced to stress relieve the iron powders in a soft magnetic composite. The composites were pressed and treated at different pressures and temperatures. Also, some of the samples were treated for various periods of time at 200°C. Density, electrical resistivity and transverse rupture strength of the samples were measured and fracture surfaces were studied by SEM. A series of tests were performed to determine the DC magnetic properties of the samples. It has been shown that there are optimum amounts of resin content and compaction pressure and temperature, rather than time is the dominant factor in stress relief of the iron powders. © 2007 Institute of Materials, Minerals and Mining
  6. Keywords:
  7. Annealing ; Coercive force ; Composite materials ; Density (specific gravity) ; Electric conductivity ; Fracture ; Iron powder ; Magnetic properties ; Resins ; Scanning electron microscopy ; Strength of materials ; Stress relief ; Soft magnetic composite ; Transverse rupture strength ; Magnetic materials
  8. Source: Powder Metallurgy ; Volume 50, Issue 1 , 2007 , Pages 86-90 ; 00325899 (ISSN)
  9. URL: https://www.tandfonline.com/doi/abs/10.1179/174329007X185580