Eventos Anais de eventos
COBEM 2017
24th ABCM International Congress of Mechanical Engineering
Production and characterization of Sr2AlZrO5,5 ceramics to encapsulate temperature sensors in the petroleum extraction industry
Submission Author:
Rebeka Domingues , PE
Co-Authors:
Andréa Sousa, Manuella Batista Padilha, Ricardo Artur Sanguinetti Ferreira, Yogendra Prasad Yadava, Renata Domingues, Rebeka Domingues
Presenter: Rebeka Domingues
doi://10.26678/ABCM.COBEM2017.COB17-1661
Abstract
In petroleum extraction wells, various sensors are used to monitor different parameters such as flow, pressure and temperature. However, the petroleum is highly corrosive, which can cause equipment failure, damaging the process and generating high maintenance costs. Advanced ceramics appear as an alternative especially to environments with high temperatures. Zirconium oxide is a widely used material because it presents superior mechanical properties when compared with other ceramic materials. This work has as anobjective to produce new ceramics of complex cubic perovskite structure Sr2AlZrO5,5, for the encapsulation of temperature sensors. The constituent oxides were homogenized and calcined at 1150°C. The crystalline structure of the compound was determined by X-ray diffraction which showed the formation of the ordered complex cubic perovskite structure. The powder was compacted and sintered at temperatures of 1350°C and 1500°C. Mechanical properties of the sintered pellets were analyzed by Vickers microhardness. After these tests the samples are immersed in onshore and offshore crude petroleum and will again be subjected to the Vickers Microhardness test, XRD, in addition to optical microscopy and MEV in order to verify the stability of the ceramic in crude petroleum.
Keywords
encapsulation, temperature sensor, petroleum industry, Sr2AlZrO5.5
