Method for the melting of metals

Details Method for the melting of metals Method for the melting of metals

1990-11-23

1992-05-19

Seidel, Richard K.

Metal founding

Process

Shaping a forming surface

164451, B22D 200

Patent

active

051139235

ABSTRACT:
A method of quantitatively determining the molten pool configuration in melting of metals. The method includes the steps of introducing hafnium metal seeds into a molten metal pool at intervals to form ingots, neutron activating the ingots and determining the hafnium location by radiometric means. Hafnium possesses exactly the proper metallurgical and radiochemical properties for this use.

REFERENCES:
patent: 3617747 (1971-11-01), Wilkinson
patent: 4125144 (1978-11-01), Kawamoto et al.
D. Hagemaier, J. Halchak and G. Basl, "Detection of Titanium Hydride by Neutron Radiation", Natl. Evaluation, Sep. 1969, p. 193.
N. M. Kochegura, "Investigation and Inspection of the Technological Process of Ingot Production by Means of Radioisotope Method", Sov. J. Nondestr. Text, Jan. 1982, p. 395.

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