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Application of new technology for detecting defects in heat exchanger tubes
92017-10
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In the power and petrochemical industry uses a lot of heat exchanger as the medium to transmit energy, its interior is composed of a large number of t...
Eddy current testing principle answer
92017-10
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Eddy current testing is the use of electromagnetic induction principle, the sine wave current to stimulate the probe coil, when the probe close to the...
Theoretical analysis of eddy current testing for copper tube
262017-9
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Oxygen free copper tubes, copper tubes and copper alloy tubes, which contain a large proportion of copper, are collectively referred to as copper tube...
The principle of magnetic saturation in eddy current testing
262017-9
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Eddy current testing is suitable for conductive materials testing. The common metal materials can be divided into tw...
Brief introduction of ultrasonic flaw detection technology
252017-9
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1. Ultrasonic testing
Ultrasonic testing is one of the nondestructive testing methods. Nondestructive testing...
Ultrasonic principle
252017-9
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Acoustic wave is the mechanical vibration of an object state (or energy) forms of communication. The so-called refers to the movement of the vibration...
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