Standard

SAE 2009-01-0867

Apr 2009 Current

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Abstract

A hardening depth evaluation technique using eddy current has been developed, which can be applied to a mass production line for destructive (cutting) inspections. Using this technique, changes in the hardness of the induction-hardened structure can be detected based on the changes in magnetic permeability. This technique reduces the thermal effect and improves measurement accuracy through a multi-frequency exciting method and a difference method algorithm.

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Standard from SAE International
Published: April 20 2009
Document type: IS
Pages
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Publisher: SAE International
Distributor: SAE International

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Abstract

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