Materials and corrosion, Vol. 63 N° 10. Materials and corrosion - Octobre 2012
| Titre : | Materials and corrosion, Vol. 63 N° 10. Materials and corrosion - Octobre 2012 |
| Type de document : | Bulletin |
| Paru le : | 31/01/2013 |
Dépouillements
Article : texte imprimé
P. F. Tortorelli, Auteur ;
E. D. Specht, Auteur ;
K. L. More, Auteur
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Early-stage tensile stress evolution in α-Al2O3 scales during oxidation of FeCrAlY at 1000, 1050, 1100, and 1200 °C was monitored in situ by use of synchrotron radiation. Tensile stress development as a function of oxidation temperature indicate[...]
Article : texte imprimé
S. Hayashi, Auteur ;
Y. Takada, Auteur ;
I. Saeki, Auteur
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The effect of oxygen partial pressure on the phase transformation of Al2O3 scale on various Fe–Al alloys with and without very thin (∼100 nm) Fe coating was investigated. Fe-coating on Fe–Al alloys can effectively suppress metastable Al2O3 forma[...]
Article : texte imprimé
H. Yin, Auteur ;
W. Y. D. Yuen, Auteur ;
D. J. Young, Auteur
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A low carbon, low silicon steel was oxidised at temperatures of 900–1000 °C in flowing N2–H2–H2O gas mixtures in which oxygen and water vapour partial pressures were varied independently. Scales of dense, single-phase, coarse grained wüstite gre[...]
Article : texte imprimé
L. García Fresnillo, Auteur ;
A. Chyrkin, Auteur ;
T. Hüttel, Auteur
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High chromium nickel and cobalt base alloys are presently being considered as construction materials for various components in high efficiency steam turbines with envisaged operating temperatures around 700 °C. In the present study, the steam ox[...]
Article : texte imprimé
S. Dryepondt, Auteur ;
K. A. Unocic, Auteur ;
B. A. Pint, Auteur
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Although expensive, Ni-based superalloys are of interest for the ultrasupercritical steam program because of their good creep and oxidation resistance at temperatures above 700 °C. As the effect of steam oxidation on the alloy mechanical propert[...]
Article : texte imprimé
A. S. Sabau, Auteur ;
I. G. Wright, Auteur ;
J. P. Shingledecker, Auteur
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This paper provides an introduction to a comprehensive model being developed to predict and control oxide scale exfoliation from the steam-side of superheater and reheater tubes in steam boilers. The model deals with the main phenomena involved [...]
Article : texte imprimé
S. Velraj, Auteur ;
Y. Zhang, Auteur ;
E. W. Hawkins, Auteur
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Interdiffusion of thin Al-rich coatings synthesized by chemical vapor deposition (CVD) and pack cementation on 9Cr ferritic–martensitic alloys was investigated in the temperature range of 650–700 °C. The compositional changes after long-term exp[...]
Article : texte imprimé
M. C. Galetz, Auteur ;
X. Montero, Auteur ;
H. Murakami, Auteur
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Slurry-derived coatings are an interesting alternative method to pack aluminization of nickel-base superalloys, which provide similar properties and protection at high temperatures. For highest performance, these aluminide coatings are modified [...]
Article : texte imprimé
M. A. Helminiak, Auteur ;
N. M. Yanar, Auteur ;
F. S. Pettit, Auteur
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The high-temperature behavior of high-purity, low-density (HP-LD) air plasma sprayed (APS) thermal barrier coatings (TBCs) with NiCoCrAlY bond coats deposited by argon-shrouded plasma spraying is described. The high purity yttria-stabilized zirc[...]
Article : texte imprimé
M. Yekehtaz, Auteur ;
C. Klesen, Auteur ;
S. Benfer, Auteur
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The need for lighter constructional materials in automotive industries has increased the use of high-strength steel alloys. To enhance passenger's safety press hardening may be applied to steel parts. However, as the steel parts are heated up to[...]
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