Influence of processing route and yttria additions on the oxidation behavior of tungsten

被引：10

作者：

Cifuentes, S. C. ^{[1
]}

Munoz, A. ^{[2
]}

Monge, M. A. ^{[2
]}

Perez, P. ^{[1
]}

机构：

[1] Ctr Nacl Invest Metalurg CENIM CSIC, Dept Metalurgia Fis, Madrid 28040, Spain

[2] Univ Carlos III, Dept Fis, Leganes 28911, Spain

来源：

JOURNAL OF NUCLEAR MATERIALS | 2013年 / 442卷 / 1-3期

关键词：

PURE TUNGSTEN; DEGREES-C; KINETICS; ALLOYS;

D O I：

10.1016/j.jnucmat.2012.10.033

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The oxidation resistance in dry air of pure tungsten and tungsten reinforced with a dispersion of 0.6 wt.% Y2O3 nanoparticles has been evaluated between 873 and 1073 K, temperature range that divertor in fusion power plants should endure during long-term times in the case of loss of coolant accident and/or air ingress in the vessel. Both materials were prepared by a powder metallurgy route involving hot isostatic pressing of ball milled tungsten powders and tungsten with dispersed Y2O3 nanoparticles. The results have been compared with those of pure tungsten processed by conventional techniques. Thermo-gravimetric tests at 873 K revealed that the processing route as well as yttria addition considerably affected the oxidation resistance of pure tungsten. Mass gain of W-0.6Y(2)O(3) at 873 K was five and two times lower than that of pure tungsten prepared by conventional processing techniques and by powder metallurgy, respectively. This different behavior was related to changes in the structure and composition of the oxide scale. Above 873 K, the kinetics were significantly accelerated for all materials due to the development of a non-protective oxide scale from the earliest oxidation stages, although the kinetics of Y2O3-containing material were still the slowest, specially at 973 K. It was analyzed how yttria additions modify the oxidation mechanism of tungsten. (C) 2012 Elsevier B. V. All rights reserved.

引用

页码：S214 / S218

页数：5

共 14 条

[1] Mechanical Behavior of W-Y2O3 and W-Ti Alloys from 25 A°C to 1000 A°C [J].

Aguirre, M. V. ;

Martin, A. ;

Pastor, J. Y. ;

Llorca, J. ;

Monge, M. A. ;

Pareja, R. .

METALLURGICAL AND MATERIALS TRANSACTIONS A-PHYSICAL METALLURGY AND MATERIALS SCIENCE, 2009, 40A (10) :2283-2290

[2] On the oxidation mechanism of pure tungsten in the temperature range 600-800 °C [J].

Cifuentes, S. C. ;

Monge, M. A. ;

Perez, P. .

CORROSION SCIENCE, 2012, 57 :114-121

[3] Materials perspective - A survey of plasma facing materials for fusion power plants [J].

Cottrell, G. A. .

MATERIALS SCIENCE AND TECHNOLOGY, 2006, 22 (08) :869-880

[4] KINETICS OF THE OXIDATION OF PURE TUNGSTEN FROM 500-DEGREES-C TO 1300-DEGREES-C [J].

GULBRANSEN, EA ;

ANDREW, KF .

JOURNAL OF THE ELECTROCHEMICAL SOCIETY, 1960, 107 (07) :619-628

[5] THE STRUCTURE OF OXIDE LAYERS ON TUNGSTEN [J].

KELLETT, EA ;

ROGERS, SE .

JOURNAL OF THE ELECTROCHEMICAL SOCIETY, 1963, 110 (06) :502-504

[6] Characterization of novel W alloys produced by HIP [J].

Monge, M. A. ;

Auger, M. A. ;

Leguey, T. ;

Ortega, Y. ;

Bolzoni, L. ;

Gordo, E. ;

Pareja, R. .

JOURNAL OF NUCLEAR MATERIALS, 2009, 386-88 :613-617

[7] Efficiency and availability driven R&D issues for DEMO [J].

Pamela, J. ;

Becoulet, A. ;

Borba, D. ;

Boutard, J. -L. ;

Horton, L. ;

Maisonnier, D. .

FUSION ENGINEERING AND DESIGN, 2009, 84 (2-6) :194-204

[8] Influence of yttria additions on the oxidation behaviour of titanium prepared by powder metallurgy [J].

Perez, P. ;

Salmi, G. ;

Munoz, A. ;

Monge, M. A. .

SCRIPTA MATERIALIA, 2009, 60 (11) :1008-1011

[9] Review on the EFDA programme on tungsten materials technology and science [J].

Rieth, M. ;

Boutard, J. L. ;

Dudarev, S. L. ;

Ahlgren, T. ;

Antusch, S. ;

Baluc, N. ;

Barthe, M. -F. ;

Becquart, C. S. ;

Ciupinski, L. ;

Correia, J. B. ;

Domain, C. ;

Fikar, J. ;

Fortuna, E. ;

Fu, C. -C. ;

Gaganidze, E. ;

Galan, T. L. ;

Garcia-Rosales, C. ;

Gludovatz, B. ;

Greuner, H. ;

Heinola, K. ;

Holstein, N. ;

Juslin, N. ;

Koch, F. ;

Krauss, W. ;

Kurzydlowski, K. J. ;

Linke, J. ;

Linsmeier, Ch. ;

Luzginova, N. ;

Maier, H. ;

Martinez, M. S. ;

Missiaen, J. M. ;

Muhammed, M. ;

Munoz, A. ;

Muzyk, M. ;

Nordlund, K. ;

Nguyen-Manh, D. ;

Norajitra, P. ;

Opschoor, J. ;

Pintsuk, G. ;

Pippan, R. ;

Ritz, G. ;

Romaner, L. ;

Rupp, D. ;

Schaeublin, R. ;

Schlosser, J. ;

Uytdenhouwen, I. ;

van der Laan, J. G. ;

Veleva, L. ;

Ventelon, L. ;

Wahlberg, S. .

JOURNAL OF NUCLEAR MATERIALS, 2011, 417 (1-3) :463-467

[10] Plasma-wall interaction: Important ion induced surface processes and strategy of the EU Task Force [J].

Roth, Joachim ;

Tsitrone, Emmanuelle ;

Loarte, Alberto .

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS, 2007, 258 (01) :253-263

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