Ceramics

Ceramics, when analyzed under microscopy, exhibit a microstructure characterized by densely packed, crystalline or amorphous particles with distinct grain boundaries and often reveal unique phase compositions.

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Engineering dislocation-rich plastic zones in ceramics via room-temperature scratching

This study proposes a method involving cyclic scratching to induce a plastic zone with increased dislocation density in ceramics at room temperature, providing a potential method for enhancing mechanical and functional properties in various ceramics.

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Multi-Objective Optimization during Magnetic Field Assisted ECDM of Alumina-Zirconium Dioxide Ceramic Composite using Battle Royale Optimization

Here, electrochemical discharge machining is explored for efficient CCM machining, leveraging a magnetic field to boost the material removal rate.

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Local and high-strength joining of transparent glass and glass-ceramics by femtosecond Bessel beam

This study explores Bessel beam laser welding of phosphate glass and spinel-based glass-ceramic, investigating the dependencies of weld geometry on pulse energy and scanning speed.

Abstract

High-resolution patterning on LTCC by transfer of photolithography-based metallic microstructures

This paper presents a technique for transferring high-resolution microstructures from silicon substrates to low-temperature co-fired ceramics (LTCC), enabling applications in aviation, telecommunications, automotive, satellite communications, and military.

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eBook 18: The Role of Ceramics in Transforming Industries: Applications and Future Developments

The eBook provides an overview of ceramics as a class of inorganic, non-metallic materials with important roles in various applications. It discusses their excellent mechanical, thermal, electrical, and chemical properties, as well as their inherent brittleness, and highlights the crucial role of optical metrology in characterizing ceramics and ensuring their quality and performance.

Abstract

Engineering dislocation-rich plastic zones in ceramics via room-temperature scratching

The authors present a method to engineer dislocations in single-crystal ceramic materials using room-temperature scratching. This technique provides a simple and efficient way to generate large plastic zones for dislocation engineering in ceramics, which is of growing interest in research for tuning functional and mechanical properties.

Abstract

Numerical and Experimental Investigation on the Self-Healing Potential of Interpenetrating Metal–Ceramic Composites

This study investigates the potential and feasibility of self-healing in an interpenetrating metal ceramic composite (IMCC). The cracks in the damaged composite are filled and closed by a liquid metal alloy when heated, reducing stress concentrations and improving mechanical properties compared to the predamaged composite. Numerical models are used to analyze stress concentrations and the restoration of mechanical properties, while experimental testing demonstrates the potential for self-healing in the IMCC. Although the experimental self-healing is currently only moderately feasible, the study highlights the potential for extending the service life of IMCC engineering components through further development of the self-healing approach.