Paper Title:
Production of Net-Shape Static Parts by Direct HIPing of Nickel Base Superalloy Prealloyed Powders
  Abstract

In order to reduce costs and increase the operating temperatures in aero-turboengines and space propulsion systems, net-shape or near net-shape production processes have been developed for static parts through HIPing (Hot Isostatic Pressing) of nickel base superalloys prealloyed powders. The presented results hereafter are related to the manufacturing processes and the mechanical properties (tensile, creep and LCF) characterisation. The effects of net shape surfaces and of surface conditioning have been investigated too. Examples of actual parts (CFM56 turbine casing and Vulcain rocket engine gas generator) illustrate the presentation. This study has confirmed the interest of this production route and future potential for development.

  Info
Periodical
Edited by
M. Heilmaier
Pages
277-282
DOI
10.4028/www.scientific.net/AMR.278.277
Citation
G. Raisson, J. Y. Guédou, D. Guichard, J. M. Rongvaux, "Production of Net-Shape Static Parts by Direct HIPing of Nickel Base Superalloy Prealloyed Powders", Advanced Materials Research, Vol. 278, pp. 277-282, 2011
Online since
July 2011
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