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A stable, nonmagnetic austenitic alloy steel having extremely low magnetic permeability especially in the unannealed condition, and consisting essentially of, in percent by weight, carbon 0.35 to 0.45, manganese 14 to 16.5, phosphorus 0.05 max., sulfur 0.07 to 0.12, silicon 0.55 to 1.15, nickel 3.5 to 5.5, nitrogen 0.12 max., chromium, 0.50 max. and the balance iron and incidental impurities.
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Which of the following is a measure of a materials ability to transmit fluids through interconnected pore spaces capacity competence or permeability?
permeability
Potential sources of error in experiment permeability test falling head method?
1. The permeability results might be localized due to excavation. 2. Lateral permeability not considered which may lead to erroneous estimate of field permeability.
Which layer controls selective permeability?
The cell membrane controls selective permeability. Larger substances can enter the cell through endocytosis and exit through exocytosis.
Passive transport includes?
Is also called selective permeability
How does the permeability of a coil affect mutual inductance?
Since a coil contains numerous loops, more of the conductor is affectedÊ by the magnetic field. An increase in permeability of the core results in an increase in the inductance of the coil.
What is the magnetic permeability values of En8 steel and iron powder?
what is magnetic ppermeability of EN8
What is the significance of the relative permeability of iron in the context of electromagnetic devices?
The relative permeability of iron is important in electromagnetic devices because it determines how easily magnetic fields can pass through the material. Iron has a high relative permeability, which means it can enhance and concentrate magnetic fields, making it ideal for use in devices like transformers and electromagnets. This property allows for efficient energy transfer and control in these devices.
What makes soft iron a suitable core for transformers?
Low hysterisis loss and high permeability
Why air coil with soft iron core inductance is greater then air coil laminated steel core?
Soft iron has a greater permeability than steel. BTW, the only reason for laminations is to reduce eddy currents in the core. It has no effect on permeability or inductance.
What is the ability of a cell membrane to allow material to pass through it called?
permeability
Why do magnetic lines of forces prefer to pass through iron than air?
Magnetic lines of force prefer to pass through iron rather than air because iron is a ferromagnetic material, which means it can easily be magnetized and has a high permeability compared to air. This results in a stronger magnetic field within the iron, making it easier for the magnetic lines of force to pass through.
Iron better than steel in electro magnets?
Iron is better than steel for making electromagnets because it has higher magnetic permeability, meaning it can be magnetized more easily and retain its magnetism better. Steel has a lower magnetic permeability and can hinder the magnetic field produced by the electromagnet. Therefore, iron is preferred for electromagnet applications where high magnetic strength is required.
What is the density for iron core?
The density of iron is approximately 7.87 grams per cubic centimeter at room temperature. Iron is a commonly used material for magnetic cores in transformers and inductors due to its high permeability and magnetic properties.
What feature of a membrane describes whether molecules can cross the membrane?
permeabiity
What effect does annealing have on magnetic iron?
Annealing will soften "magnetic iron" and create a slightly larger metallic crystal structure that should work better for allowing a magnetic field to "flow" through it (which we call permeability). A link is provided.
Is soft iron magnetic?
Yes, soft iron is magnetic. Soft iron has high magnetic permeability, which means it can easily generate a magnetic field when exposed to an external magnetic field. However, soft iron loses its magnetism once the external magnetic field is removed.
Does silt have high permeability?
Silt has neither high or low permeability. It has moderate permeability. :) !
