Measuring and testing – Vibration – By mechanical waves
Patent
1996-08-27
1998-01-13
Williams, Hezron E.
Measuring and testing
Vibration
By mechanical waves
73629, 73632, 73627, G01N 2928, G01N 2924
Patent
active
057082090
ABSTRACT:
An apparatus for conducting ultrasonic waves to and from a body of a molten material. The apparatus includes a buffer rod for transmitting ultrasonic waves to the molten metal, a second buffer rod for receiving ultrasonic waves from the molten metal, piezoelectric elements associated with each buffer rod, and cooling mechanisms for protecting the piezoelectric elements by maintaining the buffer rods at a prescribed rate of thermal equilibrium with the molten metal. The cooling mechanisms are configured so as to facilitate regulation of the air flow about the apparatus.
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Cisko Lawrence W.
Stiffler Richard C.
Urbanic John M.
Warchol Mark F. A.
Wojnar Ronald C.
Aluminum Company of America
Ashraf Nashmiya
Beiriger Tracey D.
Williams Hezron E.
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