Experiment Study of Influences of Gradient Structure on the Bonding Strength and Impact Resistance of Al2O3 Ceramic Coatings

Cheng, Xiyun

doi:10.3901/jme.2014.10.087

Cited by 1 publication

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“…Compared with a single-layer coating, a gradient structure can effectively alleviate the stress mutation on the interface between the magnetic layer and ceramic layer. A rational gradient structure of the magnetic layer can improve the internal stress distribution of the coating, and significantly improve the structural stability and service life of the composite ceramic panel [16]. In order to ensure the stability quality of the composite ceramic panels during the electromagnetic heating process and to avoid too large a stress mutation causing the panel to crack, the model of an alumina-magnetic material-zirconia sandwich structure was established by ANSYS software.…”

Section: Thermal Stress Analysis Of the Composite Panel With A Singlementioning

confidence: 99%

Study on the Preparation Technology of a Ceramic Panel with a Magnetic Interlayer for an Induction Cooker

et al. 2019

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In order to expand the range of pot materials for induction cookers, a kind of sandwich structural composite ceramic panel that consists of an Al2O3 ceramic substrate, magnetic heating interlayer, and ZrO2 ceramic substrate was developed by combining the tape casting process and the screen printing process. In this research, the slurry composition of the functional phase, glass powder, and organic carrier was optimized for preparing the heating interlayer with excellent electromagnetic properties. The influences of the glass powder content and the magnetic layer structure on the thermal shock resistance of the composite ceramic panel were studied. The finite element model of the composite ceramic panel under thermal load was established through ANSYS software. In the range of 0.1–0.3 mm thickness of a magnetic heating interlayer, the temperature field and the macroscopic stress field of the composite ceramic panel were simulated, and the influence of the magnetic layer structure on the thermal stress distribution of the composite ceramic panel was analyzed. The experimental results showed that the magnetic layer had the best quality when the amount of glass powder added was 9 wt%. The ANSYS simulation revealed that the gradient structure of the magnetic layer could reduce the stress between the alumina layer and the magnetic layer from 308 to 192 MPa, which significantly improved the thermal shock resistance of the composite ceramic panel. Therefore, the gradient structure of the magnetic layer could ensure the stability of the composite ceramic panel after five cycles of electromagnetic heating.

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Section: Thermal Stress Analysis Of the Composite Panel With A Singlementioning

confidence: 99%

Study on the Preparation Technology of a Ceramic Panel with a Magnetic Interlayer for an Induction Cooker

et al. 2019

View full text Add to dashboard Cite

show abstract

Experiment Study of Influences of Gradient Structure on the Bonding Strength and Impact Resistance of Al2O3 Ceramic Coatings

Cited by 1 publication

References 0 publications

Study on the Preparation Technology of a Ceramic Panel with a Magnetic Interlayer for an Induction Cooker

Study on the Preparation Technology of a Ceramic Panel with a Magnetic Interlayer for an Induction Cooker

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