Development of Ce‐ PSZ ‐/Y‐ PSZ ‐Toughened Alumina Inserts for High‐Speed Machining Steel | Zendy

Mondal Biswanath | Zendy; Mandal Nilrudra | Zendy; Doloi Biswanath | Zendy

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Development of Ce‐ PSZ ‐/Y‐ PSZ ‐Toughened Alumina Inserts for High‐Speed Machining Steel

Author(s) -

Mondal Biswanath,

Mandal Nilrudra,

Doloi Biswanath

Publication year - 2013

Publication title -

international journal of applied ceramic technology

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.4

H-Index - 57

eISSN - 1744-7402

pISSN - 1546-542X

DOI - 10.1111/ijac.12181

Subject(s) - materials science , cubic zirconia , flexural strength , fracture toughness , nanocomposite , coprecipitation , microstructure , thermal stability , toughness , composite material , fourier transform infrared spectroscopy , toughening , phase (matter) , chemical engineering , ceramic , chemistry , organic chemistry , engineering

The nanocomposite CeO 2 /Y 2 O 3 partially stabilized zirconia (Ce‐ PSZ /Y‐ PSZ )‐toughened alumina was prepared by wet chemical simultaneous coprecipitation process. The thermal stability of phases and morphology of powders were characterized by TG ‐ DTA , FTIR , and FESEM . The microstructure, stabilization of phases and compositional analysis with different mol% CeO 2 /Y 2 O 3 ‐doped zirconia in alumina are characterized by FESEM , XRD , and EDAX spectra. Significant improvement in fracture toughness and flexural strength has been observed in 10 vol% of partially stabilized zirconia (2.5 mol% Y 2 O 3 in ZrO 2 /9 mol% CeO 2 in ZrO 2 )‐toughened alumina, which is suitable for high‐speed machining applications.

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