The Creep Characteristics of Model cast Ni-Cr-W-C alloys

Result code in IS VaVaI
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Result on the web
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DOI - Digital Object Identifier
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Result language
angličtina
Original language name
The Creep Characteristics of Model cast Ni-Cr-W-C alloys
Original language description
In this paper the creep behaviour of two model cast Ni-Cr-W-C alloys (Alloys A and B) resistant to high-temperature oxidation with different contents of Cr, W, Zr and Fe was investigated. Uniaxial tensile creep tests were carried out at temperatures from1023 to 1273 K and at the applied tensile stresses ranged from 20 to 250 MPa. Creep tests were followed by microstructural investigations by means of both transmission and scanning electron microscopy. A comparison between the creep characteristics of these model alloys under comparable creep loading conditions shows that the alloy B with higher content of tungsten and zirconium is more creep resistant as that of the Alloy A at lower temperatures. Possible reason for the different consequence of strengthening effects is discussed. However, the creep-rate controlling dislocation mechanism is most probably the same in both alloys.
Czech name
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Czech description
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Publication year
2012
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Article name in the collection
Creep and Fracture of Engineering Materials and Structure
ISBN
978-4-88903-407-3
ISSN
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e-ISSN
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Number of pages
4
Pages from-to
57-60
Publisher name
The Japan Institute of Metals
Place of publication
Sendai
Event location
Kyoto
Event date
May 27, 2012
Type of event by nationality
WRD - Celosvětová akce
UT code for WoS article
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