Development of the Design and Technological Solutions for Manufacturing of Turbine Blisks by HIP Bonding of the PM Disks with the Shrouded Blades

Development of the Design and Technological Solutions for Manufacturing of Turbine Blisks by HIP Bonding of the PM Disks with the Shrouded Blades

Liubov Magerramova, Eugene Kratt

Abstract. A bimetallic turbine blisk with shrouded blades had been designed in order to enhance the gas-dynamic and strength characteristics of the wheels of the gas turbine engines and reduce their weight. The separately cast nickel superalloy shrouded blades are joined to disc made of the heat-resistant alloy powder using a method of hot isostatic pressing (HIP). The problem of such joint is complicated by the presence of the shrouds on the periphery of the blades. This design should provide a good contact on the working faces of the shrouds during the operation. In order to solve this problem, a capsule for manufacturing of the disk piece and a process flow diagram for calculation of shaping such a capsule during hot isostatic pressing have been developed.

Keywords
Gas Turbine Engine, Hot Isostatic Pressing, Bimetallic Blisk, Nickel Superalloy

Published online 2/11/2019, 8 pages
Copyright © 2019 by the author(s)
Published under license by Materials Research Forum LLC., Millersville PA, USA

Citation: Liubov Magerramova, Eugene Kratt, Development of the Design and Technological Solutions for Manufacturing of Turbine Blisks by HIP Bonding of the PM Disks with the Shrouded Blades, Materials Research Proceedings, Vol. 10, pp 39-46, 2019

DOI: http://dx.doi.org/10.21741/9781644900031-6

The article was published as article 6 of the book Hot Isostatic Pressing

Content from this work may be used under the terms of the Creative Commons Attribution 3.0 licence. Any further distribution of this work must maintain attribution to the author(s) and the title of the work, journal citation and DOI.

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