Topic: Eddy Current Test
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What is Eddy Current?
Eddy currents are currents that are induced on a large conductor such as a piece of copper, they are swirly in pattern and the swirls are called "eddies". Eddy currents can be useful or not depending on what affect you are trying to achieve... Read More »
Source: http://answers.ask.com/Science/Physics/what_is_eddy_current
What is eddy current testing?
Eddy Current Testing (EC) - An electromagnetic technique used to detect flaws in conductive materials. Read More »
Source: http://www.chacha.com/question/what-is-eddy-current-testing
What is eddy-current test?
( ′ed·ē ′kə·rənt ′test ) (electromagnetism) A nondestructive test in which the change of impedance of a test coil brought close to a conducting specimen indicates the eddy currents induced by the coil, and thereby indicates certain properti... Read More »
Source: http://www.answers.com/topic/eddy-current-test
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Eddy Current Test
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Eddy currents are small swirls of magnetic forces induced in conductive plates. Observe a flowing river or large stream. As the water flows downstream you may see small swirls on the water's surface that may appear to be spinning in differe...
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Source: http://www.ehow.com/how_5229196_define-eddy-current.html
Just as turbulence forms when a body moves through air, when a magnetic field is found to be changing close to a conductor, eddy currents form within the conductor. These currents form a mechanism of loss for devices that operate with magne...
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Source: http://www.ehow.com/about_5207496_eddy-currents_.html
Lenz's Law Lenz's Law states that electrical currents near a magnetic field will go in an opposite direction of the field's currents. Inside a conductor, which is anything with moving electrical charges, the currents will swirl in a directi...
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Source: http://www.ehow.com/how_4964019_eddy-currents-work.html
Only electrically conducting (metallic) materials can be tested Maximum inspectable thickness is ~ 6 mm
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Source: http://www.chacha.com/question/what-is-eddy-current-testing-most-...
Eddy currents are usually unwanted (I can't think of a case where they are good), so there is no application for them. They are a nuisance that is mitigated through various means - cooling, very thin laminations, use of non-metalic clamps, ...
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Source: http://wiki.answers.com/Q/What_are_the_applications_of_Eddy_curre...
See Related Links below. Eddy Currents http://en.wikipedia.org/wiki/Eddy_current
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Source: http://wiki.answers.com/Q/What_causes_eddy_current
