Metal alloy identifier

Details Metal alloy identifier Metal alloy identifier

1984-06-22

1987-09-08

Krass, Errol A.

Boots, shoes, and leggings

356308, 356313, G01J 306, G01J 330, G06F 1546

Patent

active

046928758

ABSTRACT:
To identify the composition of a metal alloy, sparks generated from the alloy are optically observed and spectrographically analyzed. The spectrographic data, in the form of a full-spectrum plot of intensity versus wavelength, provide the "signature" of the metal alloy. This signature can be compared with similar plots for alloys of known composition to establish the unknown composition by a positive match with a known alloy. An alternative method is to form intensity ratios for pairs of predetermined wavelengths within the observed spectrum and to then compare the values of such ratios with similar values for known alloy compositions, thereby to positively identify the unknown alloy composition.

REFERENCES:
patent: 3547542 (1970-12-01), Bulpitt et al.
patent: 3588257 (1971-06-01), Folsom et al.
patent: 3791743 (1974-02-01), Cody et al.
patent: 3909133 (1975-09-01), Hobson et al.

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