Control of the structure of an aluminum alloy by atomic emission spectroscopy

Молчан, Н. В.; Fertikov, V. I.

doi:10.1134/s0036029512050114

Cited by 2 publications

(1 citation statement)

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“…In the work [9] through the example of aluminum alloys the effect of the material structure on the result of the chemical analysis of solid samples by the atomic emission spectral analysis (AESA) was shown. A similar approach was used for a titanium alloy [10].…”

Section: Introductionmentioning

confidence: 99%

Control of Nickel Alloy Structural Change by the Atomic Emission Spectroscopy Method

Молчан¹,

Eliseev²,

Fertikov³

2016

AJAC

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The aim of the work was the assessment of capability for the change control in the structure of a compact material of pelletized heatproof nickel alloy grade EP741NP using the atomic emission method. The proposed method of evaluation is based on the statistical significance of the analytical response differences during atomic emission spectroscopy of solid specimens taken from one sample before and after heat treatment using the instruments AtomComp 81 and ARL 4460 with a high-voltage spark excitation. For calculations, the ratio of the line intensity of the analyzed element to the line intensity of the main sample component (in our case Ni 2254 ) was used. The difference confidence estimation was made by the averages comparison method in a variance analysis. The study results are presented on the effect of material structure on analytical response during atomic emission spectroscopy of solid specimens. It was proved that the samples before and after heat treatment give statistically differing results while analyzed.

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Section: Introductionmentioning

confidence: 99%