#remote_field_testing
Remote field testing
Remote field testing (RFT) is a method of nondestructive testing using low-frequency AC. whose main application is finding defects in steel pipes and tubes. RFT is also referred to as remote field eddy current testing. RFET is sometimes expanded as remote field electromagnetic technique, although a magnetic, rather than electromagnetic field is used. An RFT probe is moved down the inside of a pipe and is able to detect inside and outside defects with approximately equal sensitivity. Although RFT works in nonferromagnetic materials such as copper and brass, its sister technology eddy-current testing is preferred.
Fri 14th
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