Development of the method for quantitative determination of impurities content in heat-resistant welded nickel alloys using the atomic-emission spectrometry with inductively coupled plasma

Using AES-ICP new methods have been developed for quantifying the content of impurity elements Al, B, Ce, Co, Cr, Cu, Hf, Fe, Mg, Mn, Mo, Nb, Si, Ta, Ti, W, V, Zr in the new heat-resistant nickel alloys. To translate the samples into the solution, accelerated techniques were developed using open sys...

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Bibliographic Details
Published in:Journal of physics. Conference series 2018-11, Vol.1134 (1), p.12068
Main Authors: Volchenkova, V A, Kazenas, E K, Andreeva, N A, Penkina, T N, Fomina, A A, Grigorovich, K V, Alpatov, A V, Sprygin, G S
Format: Article
Language:English
Subjects:
Aluminum
Chromium
Compacting
Copper
Heat resistant alloys
Impurities
Inductively coupled plasma
Manganese
Metal compounds
Molybdenum
Nickel alloys
Nickel base alloys
Niobium
Open systems
Rocket engines
Titanium
Tungsten
Vacuum induction melting
Zirconium
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Summary:Using AES-ICP new methods have been developed for quantifying the content of impurity elements Al, B, Ce, Co, Cr, Cu, Hf, Fe, Mg, Mn, Mo, Nb, Si, Ta, Ti, W, V, Zr in the new heat-resistant nickel alloys. To translate the samples into the solution, accelerated techniques were developed using open systems and the microwave system Mars 5. Optimal analytical parameters for determining the elements were chosen. The influence of matrix elements (nickel and chromium) and methods of its elimination were studied. This made it possible to determine the elements in a wide concentration range from 0.0005 to 30% without preliminary separation of the matrix with good metrological characteristics. The relative standard deviation (Sr) is 0.05-0.005 at the element content from 1 to 30% and does not exceed 0.20 at the element content from 0.0005 to 0.1%. New method of analytical control was used to correct the processes of melting alloys by vacuum induction melting, compacting capsules and welding process with other heat-resistant alloys, which will ensure the performance of work on the improvement of metal compounds in liquid rocket engines.
ISSN:1742-6588
1742-6596
DOI:10.1088/1742-6596/1134/1/012068