Improvement of a technological process for ceramic core removal out of internal cavities of aircraft GTE turbine blade castings |
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| Authors: | E P Kruglov G Kh Kochetova |
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| Institution: | (1) Tupolev State Technical University, Kazan, Russia;(2) Kazan Motor Building Association (KMPO), Kazan, Russia |
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| Abstract: | A technological process of removing a complex-shaped ceramic core from the interior of GTE thin-walled blade castings is considered. We propose an aluminium oxide-based method for removing a core by leaching accompanied by process intensification with a carboxylic acid additive. |
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