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

Cleaning and liquid contact with solids – Processes – For metallic – siliceous – or calcareous basework – including...

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

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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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