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Procedure for determining the health and remaining service life of austenitic steel reformer tubes and the like
Procedure for determining the health and remaining service life of austenitic steel reformer tubes and the like
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机译:确定奥氏体钢重整管等的健康和剩余使用寿命的程序
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摘要
A method of testing an austenitic steel reformer tube comprising: providing a sample (1) austenitic steel reformer tube to be tested; choosing one or more test positions in said austenitic steel reformer tube (1); characterized in that it comprises: transmitting two sinusoidal electromagnetic signals, each with a different frequency F1 and F2, to a test position in the austenitic steel reformer tube (1); receiving a response signal from said test position; and analyzing the fundamental and intermodulation frequencies of said received response signal to determine the state of the austenitic steel reformer tube (1) in said test position.
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