Simultaneous multiple pulsed laser (SMPL) induced transformations in ZrO2 ceramics

Roy, Rustum; Badzian, Andrzej; Breval, E.; Badzian, T.; Mistry, P.; Turchan, M.C.

doi:10.1039/b006472f

Cited by 7 publications

(1 citation statement)

References 13 publications

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“…After the treatment, it was found that a subsurface layer of 20 m thick tetragonal zirconia transformed to cubic zirconia. 7 The combined laser process was able to displace the atoms in tetragonal ZrO 2 lattice, thus inducing a phase transformation. The QQC process was also used in cladding steel with ceramic coatings.…”

Section: Introductionmentioning

confidence: 99%

Sintering of Zirconia Nanopowder by Microwave‐Laser Hybrid Process

Peelamedu

Badzian

Roy

et al. 2004

Journal of the American Ceramic Society

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A new hybrid sintering process has been developed by replacing all but one laser by microwaves in the existing simultaneous multiple laser process (SIMPLE). Microwave energy has been used to preheat the material before laser radiation, and the synergism between microwave and laser energies could effectively heat the material to temperatures of 1700°C and beyond in just a few minutes. Using this process, rapid sintering of 3Y–ZrO2 (3Y–TZP) pellets has been achieved in a few minutes. Microstructural investigations reveal that the microwave–laser hybrid sintered pellets of 3Y–ZrO2 have nanograins averaging about 20 nm. The microwave–laser hybrid sintering process can clearly be a new approach for fabrication of nanoceramics and nanocomposites.

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Section: Introductionmentioning

confidence: 99%