Abstract

Variable background from alloy to alloy in direct reader analysis of stainless steels affects working curves adversely Spectrographic evidence shows that its effect can be photometrically removed Its influence can be minimized by use of excitation producing a "black burn" using argon shielding of the analytical gap in a point-to-plane arrangement. Automatic dynamic background correction is accomplished with production instruments based on a method of Weekley and Norris.

Direct-Reading Spectrometer for Ferrous Analysis

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J. Opt. Soc. Am. 37(9) 707-713 (1947)

Direct patterning in sub-surface of stainless steel using laser pulses

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Opt. Express 18(15) 15990-15997 (2010)

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Radiometric analysis of haze in bright-annealed AISI 430 ferritic stainless steel

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Appl. Opt. 61(9) 2155-2164 (2022)

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