Creep-fatigue properties of high temperature turbine steels

Author: Holdsworth, S.R.

Source: Materials at High Temperatures, Volume 18, Number 4, November 2001 , pp. 261-265(5)

Publisher: Science Reviews 2000 Ltd

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Abstract:

Cyclic/hold creep-fatigue properties for the new advanced 9-11%Cr steels are reviewed and shown to be significantly superior to those of 1%CrMoV turbine steels at 550°C. Moreover, cyclic/hold endurances for the creep resistant martensitic stainless steels at 600°C are at least as good as those for 1%CrMoV turbine steels at 550°C.

An assessment of the creep-fatigue damage interaction characteristics of Grade 91 steel shows them to be no worse than those of 1%CrMoV turbine steels at their respective maximum application temperatures.

Keywords: creep-fatigue properties

Document Type: Research article

DOI: http://dx.doi.org/10.3184/096034001783640441

Affiliations: 1: ALSTOM Power (UK) Ltd, Newbold Road, Rugby, CV21 2NH, UK

Publication date: 2001-11-15

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Materials at High Temperatures serves the needs of those who develop and use materials for high temperature applications. It publishes peer reviewed contributions relating to high temperature applications in the power, chemical, engine, processing and furnace industries.
The effects of high temperatures on corrosion, fatigue, creep, strength and wear in alloys, intermetallics, ceramics, refractories and composites are covered. Papers dealing with aspects of materials usage including modelling of behaviour and life prediction will be particularly welcome. The journal has a policy of emphasizing practical aspects and authors presenting results from research programmes are encouraged to relate these, if possible, to actual or potential applications.
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