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The cobalt base PTA (Plasma Transferred Arc) clad layers were investigated under different temperature and time of oxidation. The microstructure of the clads after oxidation demonstrated degradation process which led to the decomposition of the dendrite boundaries. Chemical compositions of the formed scales were depending on the oxidation temperature, chemical composition of the alloy, especially small addition of the silicon, and time of the exposition.
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Czasopismo
Rocznik
Tom
Strony
32--37
Opis fizyczny
Bibliogr. 12 poz., rys., fot., tab.
Twórcy
autor
- Gdańsk University of Technology, Faculty of Mechanical Engineering, Department of Materials Science and Engineering, Gdansk, Poland
Bibliografia
- 1. B. Gleeson and M. A. Harpe; The Long-Term, Cyclic-Oxidation Behavior of Selected Chromia-Forming Alloys; Oxidation of Metals, Vol. 49, Nos. 3/4, 1998.
- 2. S. Uran, B. Veal, M. Grimsditch, J. Pearson, and A. Berger; Effect of Surface Roughness on Oxidation: Changes in Scale Thickness, Composition, and Residual Stress; Oxidation of Metals, Vol. 54, Nos. 1/2, 2000.
- 3. David J. Young, Brian Gleeson; Alloy phase transformations driven by high temperature corrosion processes; Corrosion Science 44(2002) 345-357.
- 4. Liu, P.S., Liang, K.M., High-temperature oxidation behavior of the Co-base superalloy DZ40M in air; Oxidation of Metals Volume 53, Issue 3, 2000, Pages 351-360.
- 5. B. Gleeson* and M. A. Harpe; The Long-Term, Cyclic-Oxidation Behavior of Selected Chromia-Forming Alloys; Oxidation of Metals, Vol. 49, Nos. 3/4, 1998.
- 6. Yuan, F., Sun, X., Guan, H., Hu, Z.; Cyclic oxidation behavior of a cobalt - base superalloy; Journal of the Chinese Society of Corrosion and Protection; Volume 22, Issue 2, 2002, Pages 115-117.
- 7. F M Yang; X F Sun; H R Guan; Z Q Hu; High-temperature low-cycle fatigue behavior of K4 S cobalt-base superalloy; Metallurgical and Materials Transactions; Apr 2003; 34A, 4; pg. 979.
- 8. P. Berthod, S. Michon, L. Aranda, S. Mathieu, J.C. Gachon; Experimental and thermodynamic study of the microstructure evolution in cobalt-base superalloys at high temperature; Computer Coupling of Phase Diagrams and Thermochemistry 27 (2003) 353–359.
- 9. D. L. Douglass and J. S. Armijo; The Influence of Manganese and Silicon on the Oxidation Behavior of Co-20Cr; Oxidation of Metals, Vol. 3, No. 2, 1971.
- 10. D. E. Jones and J. Stringer; The Effect of Small Amounts of Silicon on the Oxidation of High-Purity Co-25 wt. % Cr at Elevated Temperatures Oxidation of Metals, Vol. 9, No. 5, 1975.
- 11. P. Y. Hou* and J. Stringert; Effect of Internal Oxidation Pretreatments and Si Contamination on Oxide-Scale Growth and Spalling Oxidation of Metals, Vol 33, Nos. 5/6, 1990.
- 12. B. Li and B. Gleeson; Effects of Silicon on the Oxidation Behavior of Ni-Base Chromia-Forming Alloys; Oxidation of Metals Volume: 65, Issue: 1-2, February 2006, pp. 101 – 122.
Typ dokumentu
Bibliografia
Identyfikator YADDA
bwmeta1.element.baztech-article-BPG8-0018-0025