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Corrosion Behavior of Metal-Ceramic Composites

Product Number: 51321-16931-SG
Author: Kentaro Lunn; Vilupanur Ravi
Publication Date: 2021
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Zirconium carbide/zirconium boride ceramic composites were melt processed in an inert atmosphere using a combination of zirconium alloys and boron carbide particulates. UNS R60702 (commercially pure zirconium, CP Zr) and UNS R60705 (Zr-2.5Nb) were utilized in this study. Corrosion test coupons were cross sectioned from the as-fabricated materials. Microstructural and phase characterization of the composites were accomplished by optical and scanning electron microscopy, energy dispersive spectroscopy and X-ray diffraction. The corrosion behavior of these composite materials was evaluated in accordance with ASTM G59-97 and ASTM B117-18. The erosion characteristics were determined in accordance with ASTM G75-15.

Zirconium carbide/zirconium boride ceramic composites were melt processed in an inert atmosphere using a combination of zirconium alloys and boron carbide particulates. UNS R60702 (commercially pure zirconium, CP Zr) and UNS R60705 (Zr-2.5Nb) were utilized in this study. Corrosion test coupons were cross sectioned from the as-fabricated materials. Microstructural and phase characterization of the composites were accomplished by optical and scanning electron microscopy, energy dispersive spectroscopy and X-ray diffraction. The corrosion behavior of these composite materials was evaluated in accordance with ASTM G59-97 and ASTM B117-18. The erosion characteristics were determined in accordance with ASTM G75-15.

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