A Method for Quickly Measuring Carbon Content in Iron and Steel
A carbon element and carbon content technology, applied in the field of laser-induced breakdown spectroscopy, can solve the problems of insufficient precision and accuracy, and the measurement method cannot meet the on-site online rapid measurement, so as to improve the detection speed, improve the measurement accuracy and accuracy , the effect of fast analysis speed
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[0032] 1) Table 1 lists 13 steel samples with known carbon content Z. In this example, the first 10 steel samples are selected as calibration samples, that is, n is equal to 10, and the other three are used as prediction samples. 13 kinds of iron and steel samples were tested using the laser-induced breakdown spectroscopy measurement system: such as figure 1 As shown, the pulsed laser 1 is used as the excitation light source, the laser emitted from the laser is focused by the focusing lens 2 and then acts on the surface of the sample 3, plasma is generated at the focal point, and the radiated optical signal generated by the plasma is collected in real time through the focusing lens 4 , through the optical fiber 5 and processed by the spectrometer 6, it is converted into an electrical signal and collected by the computer 7 to obtain the spectrum of the sample; one spectrum is obtained for each sample; for 10 calibration samples, 10 spectra are obtained in total; the other three ...
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