stainless steel yokka two upayogalu in physics
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Answer:
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Stainless steel offers many advantages to the architectural/ornamental metal user. The major advantages include its high corrosion resistance allowing it to be used in rigorous environments. It is resistance to fire and heat allowing it to resist scaling and retain strength at high temperatures.
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Answer:
Magnetic response – or the lack of it – is often one of the first things that people think of as a basic property of stainless steels. The response of a stainless steels to a magnet is an interesting physical property and can be a useful sorting test but it is not as clear-cut as is often thought.
WHAT ARE THE BASIC MAGNETIC PROPERTIES OF MATERIALS?
Ferromagnetic Materials
Materials that are strongly attracted to a magnet (either permanent or electro) and that can themselves form permanent magnets. This is the usual property when a material is said to be “magnetic”.
Magnetic Permeability
The ease by which a magnetic material can be magnetised is expressed by the Magnetic Permeability. Values close to 1.0 show the material is non-magnetic.
Hard or Soft Magnetic Characteristics
Magnetic materials can be classified as “Hard” or “Soft”. Hard magnetic materials retain a large amount of residual magnetism after exposure to a magnetic field. Soft magnetic materials can be magnetised by a relatively small magnetic field and when this is removed they revert to low residual magnetism.
Non-magnetic Materials
Materials that show no response to a magnet.
Curie Temperature
Some metals have a temperature at which they change from ferromagnetic to non-magnetic. For common carbon steels this happens at about 768°C.