Method for rapid removal of cores made of Y.sub.2 O.sub.3 from d

Details Method for rapid removal of cores made of Y.sub.2 O.sub.3 from d Method for rapid removal of cores made of Y.sub.2 O.sub.3 from d

1977-10-06

1979-01-16

Massie, Jerome W.

Cleaning and liquid contact with solids

Processes

For metallic, siliceous, or calcareous basework, including...

106 389, 134 19, 134 22R, 156656, 156667, 164132, B22D 2900

Patent

active

041347773

ABSTRACT:
Caustic solutions are employed in an autoclave process to rapidly remove the cores made of Y.sub.2 O.sub.3 from directionally solidified eutectic alloy and superalloy materials.

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Handbook of Chemistry & Physics, 48th Ed., The Chemical Rubber Co., (1958), p. B-239.
Tsutsumi, T., Chemical Abstracts, vol. 81, (1979), p. 256.

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