A detection method for the equivalent thickness of the oxide layer on the surface of ultrafine aluminum powder particles
A particle surface and detection method technology, applied in particle size analysis, particle and sedimentation analysis, measuring devices, etc., can solve the problems of lack of precision, cumbersome detection method of micron aluminum powder oxide layer thickness, etc., and achieve high precision and simple detection method Effect
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[0031] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.
[0032] A method for detecting the equivalent thickness of an oxide layer on the surface of ultrafine aluminum powder particles, comprising the following steps:
[0033] (1) Determination of oxide species: use "D / MAX2500PC X-ray instrument" to detect the X-ray structure of ultrafine aluminum powder samples, analyze the oxide species according to the PDF map, and determine the existence of alumina species in the aluminum powder particles ; figure 1 is the X-ray image of sample No. 1, figure 2 It is the X-ray image of No. 2 sample. The test results show that the aluminum powder particles only cont...
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