How to find the normal approximation of B for cast iron from the B-H curve?

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SUMMARY

The normal approximation of magnetic flux density (B) for cast iron can be derived from the B-H curve, similar to the method used for sheet steel. For sheet steel, B is approximated as 1 with H at 400, leading to a calculation of B using the formula B=μH, resulting in 0.0025 Wb/At-m. For cast iron, users are encouraged to explore magnetization curves available in online resources, particularly referencing graphs found on page 152 of a specific online book for further insights.

PREREQUISITES
  • Understanding of B-H curves in magnetism
  • Familiarity with magnetic flux density (B) and magnetic field strength (H)
  • Knowledge of permeability (μ) in magnetic materials
  • Basic skills in interpreting graphs and data from technical literature
NEXT STEPS
  • Research the specific magnetization curves for cast iron
  • Study the implications of permeability (μ) on B-H relationships
  • Examine the differences in magnetic properties between cast iron and sheet steel
  • Explore advanced techniques for calculating magnetic properties in ferromagnetic materials
USEFUL FOR

Engineers, materials scientists, and anyone involved in the study of magnetic properties of materials, particularly those working with cast iron and its applications in engineering contexts.

thegroovyguru
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I need to know how to find the normal approximation of B for cast iron from the B-H curve.

I know for sheet steel, I can use a B of 1 and get 400 for H and use B=μH to get 0.0025 Wb/At-m.

How is it done for cast iron?
 
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Have you tried searching for magnetization curves on google? Flip through this online book, there are some neat graphs on page 152: "ttp://books.google.com.au/books?id=SPEQGU9u4mMC&pg=PA150&lpg=PA150"[/URL]
 
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