La2O3 Reinforced Al2O3-TiO2 Ceramic Composites for Inert Coating of Metallic Parts for Petroleum Industry

Yogendra Prasad Yadava; Catarina E. Mendes; Sheila A.B.C. Rêgo; Ricardo A. Sanguinetti Ferreira

doi:10.4028/www.scientific.net/MSF.727-728.592

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HomeMaterials Science ForumMaterials Science Forum Vols. 727-728La2O3 Reinforced Al2O3-TiO2 Ceramic Composites for...

La₂O₃ Reinforced Al₂O₃-TiO₂Ceramic Composites for Inert Coating of Metallic Parts for Petroleum Industry

Abstract:

Recent findings of Brazilian pre-salt petroleum reservoir has created an intense demand for new materials capable of withstanding direct contact with the crude petroleum as it is a highly corrosive and chemically reactive fluid. Ceramics materials are highly stable in hostile environment and therefore can serve as inert coating to solve some of these problems. In this context, in the present work we have developed La₂O₃ reinforced Al₂O₃-TiO₂ceramic composites in proportions of 5-20 wt% titanium oxide and 1-2 wt% with high mechanical strength, through thermo-mechanical processing and sintering techniques To assess the quality of these materials as the protective coatings of crude petroleum storage and transportation systems we have studied the physic-chemical and mechanical stability of these materials in crude petroleum, originated from earthen and offshore petroleum wells of Brazil. These studies present satisfactory results for use of 2 wt% La₂O₃ reinforced Al₂O₃-TiO_{2 .}ceramic composites for such applications. Keywords: La₂O₃ reinforced Al₂O₃-TiO_{2 .}ceramic composites, protective coatings, metallic parts, crude petroleum

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Periodical:

Materials Science Forum (Volumes 727-728)

Pages:

592-596

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.727-728.592

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Online since:

August 2012

Authors:

Yogendra Prasad Yadava, Catarina E. Mendes, Sheila A.B.C. Rêgo, Ricardo A. Sanguinetti Ferreira

Keywords:

Crude Petroleum, La₂O₃ Reinforced Al₂O₃-TiO_{2 .}Ceramic Composites, Metallic Parts, Protective Coatings

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