Apparatus and method for monitoring casting process

Details Apparatus and method for monitoring casting process Apparatus and method for monitoring casting process

1995-03-21

1996-12-31

Fields, Carolyn E.

Radiant energy

Invisible radiant energy responsive electric signalling

Neutron responsive means

25039009, 378 71, G01N 2320

Patent

active

055896901

ABSTRACT:
The present invention uses a high energy x-ray, neutron, or gamma source for monitoring the interface between a molten and solidified crystalline phase while in a furnace in a casting process. The radiation can also be used to determine the quality and orientation of the crystals in the crystalline phase. The invention uses the distinctive diffraction patterns produced by crystalline and amorphous phases to locate the interface.

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Baxter et al., "Rapid Orientation Measurement of Single Crystal Casting Using `Scorpio`", Insight, vol. 36, No. 5, May 1994.
Hashizume et al, "Techniques for Time-Resolved X-Ray Diffraction Using a Position Sensitive Counter", Japanese J. Appl. Phys., 15, (11), Nov. 1976, pp. 2211-2219.

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