Particle beam image coating used for spallation neutron source and preparation method of particle beam image coating
A spallation neutron source and image coating technology, applied in radiation measurement, measurement devices, instruments, etc., can solve the problems of limited research reports and unpublished, and achieve the effect of high luminous efficiency
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[0029] In this example, Al(NO 3 ) 3 9H 2 O, Cr(NO 3 ) 3 9H 2 O was used as raw material, and Cr was prepared by chemical synthesis 3+ :Al 2 o 3 Powder, as follows:
[0030] Al(NO 3 ) 3 9H 2 O and Cr(NO 3 ) 3 9H 2 O is placed in the nitrate solution to make it fully dissolve, and the pH value of the nitrate solution is about 4; Citric acid: (Al 3+ +Cr 3+ ) substance mass ratio is about 10, the titration is completed, and the resulting sol is the precursor; the precipitate is washed repeatedly with alcohol, and after the alcohol washing is completed, the precursor is dried at 60-80 degrees, and then calcined at 1220 degrees to obtain Cr 3+ :Al 2 o 3 Powder. control Al(NO 3 ) 3 9H 2 O and Cr(NO 3 ) 3 9H 2 The amount of O is such that the prepared Cr 3+ :Al 2 o 3 In powder, Cr 3+ The doping amount is 1.5% of the total weight. In order to make the prepared powder suitable for spraying, the calcined Cr 3+ :Al 2 o 3 The powder is prepared into a spher...
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