Production method of multi-element aluminum alloy standard sample
A standard sample and aluminum alloy technology, which is applied in the preparation of test samples, chemical method analysis, sampling, etc., can solve the problem of large differences in composition uniformity and stability, poor control of the preparation process, and wide range of silicon chemical components. Reasonable and other problems, to achieve the effect of preventing gravity segregation and uneven distribution, good degassing and slag removal effect, and good linear relationship
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[0034] The aluminum alloy standard sample that the present invention needs to prepare is to contain the following chemical elements in pure aluminum: Si, Fe, Cu, Mg, Mn, Zn, Sn, Pb, Ni, Ti, Cr, Sr, Ca, V, Ga, Zr , Cd, Be, B and P, the weight percent of each element is as follows: Si: 7.22, Fe: 0.214, Cu: 0.051, Mg: 0.288, Mn: 0.121, Zn: 0.090, Sn: 0.084, Pb: 0.044, Ni: 0.045, Ti: 0.043, Cr: 0.019, Sr: 0.016, Ca: 0.0006, V: 0.032, Ga: 0.059, Zr: 0.0060, Cd: 0.0061, Be: 0.010, B: 0.0006, P: 0.0062.
[0035] Follow the steps below to prepare:
[0036] 1) Batching: Select pure aluminum and intermediate alloys as furnace materials. When batching, the burning loss and volatilization of elements should be considered. For the intermediate alloys, the content of main elements and impurity elements should be accurately grasped.
[0037] 2) Smelting: Melt in a 500kg intermediate frequency furnace first, and then transfer to a holding furnace for standing. The addition method of each ch...
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