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Life assessment of hot section gas turbine components

January 1, 2000

Complete Document



Detail Summary

Active, Most Current

EN
Additional Comments:
B0731 * ISBN: 9781861251084
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Product Details:

  • Revision: January 1, 2000
  • Published Date: January 2000
  • Status: Active, Most Current
  • Document Language: English
  • Published By: Maney Publishing (MANEY)
  • Page Count: 350
  • ANSI Approved: No
  • DoD Adopted: No

Description / Abstract:

ABSTRACT

The selection of materials in gas turbine engines is governed by the need to meet customer demands for higher efficiencies, higher thrusts, lower weights, low costs and lower levels of noise and emissions.

This paper considers the effect on material operating conditions that result from the requirement to meet each of the above design goals. The requirements are then individually considered and current and future methods of achieving these new demands are covered. These include both the use of materials already widely utilised in the gas turbine engine in new and existing applications and the use of materials not presently ordinarily used. The use of existing materials to meet the more strenuous demands through the use of better modelling and lifing to allow the material to be utilised closer to it's limit and the use of protective coatings is discussed. The effect on materials selection of new applications such as blisks and the use of different manufacturing technologies is considered. Finally the way in which the material requirements can be met through further use of materials not currently widely used in gas turbines is covered. This can consist of the development of new specialist materials or the increasing use of other materials as their properties become more fully understood.

Edited by: R. Townsend, M. Winstone, M. Henderson