Spectral analysis method for online detecting the number and content of inclusions in steel
A technology of spectral analysis and inclusions, applied in the direction of electrical excitation analysis, material excitation analysis, etc., can solve the problem of not explaining the determination method, and achieve the effect of reducing waste and improving accuracy
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[0032] The specific embodiment of the present invention is described below in conjunction with accompanying drawing, here with the analysis of Al in aluminum deoxidized steel 2 o 3 Inclusions, for example.
[0033] use as Figure 4 In the shown device, the spectroscopic analysis method for online detection of the number and content of inclusions in steel consists of the following steps:
[0034] 1) In the inert gas environment in the luminous table (2), perform a pre-discharge of 200-700 pulses between the steel sample and the counter electrode, and then conduct a formal spark discharge of 1500-2000 pulses;
[0035] 2) The luminescence of each spark discharge is split in the spectroscopic device (1) to obtain the spectral lines of each element, and the pulse intensity diagram of the metal element aluminum, the oxygen pulse intensity diagram and their respective intensity frequencies are obtained in the calculation device (5) Distribution map, determine the critical value of...
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