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Silicon carbide ceramic materials exhibit excellent properties such as high-temperature mechanical strength, high hardness, strong oxidation resistance, good radiation resistance, excellent wear resistance, thermal stability, low thermal expansion coefficient, and good chemical corrosion resistance. They find wide applications in various fields including industrial machinery, defense, semiconductor, environmental protection, nuclear energy, among others.

In terms of applications, whether in rockets soaring into space or cars racing on highways, or in indestructible cutting tools and robust artificial bones, silicon nitride ceramics have become an indispensable key material in industrial technology, particularly in advanced technology fields. It represents one of the major directions in the development of modern materials science.

In terms of applications, whether in rockets soaring into space or cars racing on highways, or in indestructible cutting tools and robust artificial bones, silicon nitride ceramics have become an indispensable key material in industrial technology, particularly in advanced technology fields. It represents one of the major directions in the development of modern materials science.

Hot-press molding is a widely used forming process in the production of advanced ceramics.It is mainly used to produce small and medium-sized complex structural ceramics, wear-resistant ceramics, electronic ceramics, insulating ceramics, textile ceramics, heat-resistant ceramics, sealing ceramics, corrosion-resistant ceramics, and thermal shock-resistant ceramics.

Ceramic Injection Molding (CIM) is a novel process for manufacturing ceramic components that combines the principles of polymer injection molding with ceramic preparation techniques.

Tape casting, also known as doctor blade casting, is a fundamental ceramic shaping process. Its basic principle involves the flow of ceramic slurry with suitable viscosity and good dispersibility from the slurry trough of a tape caster to the substrate.

Dry pressing is the most widely applied shaping technique, also known as powder pressing, and it is the primary shaping process for specialty ceramics such as microwave dielectric ceramics and semiconductor ceramic components.

Silicon carbide ceramics possess various advantageous properties, including chemical stability, high temperature resistance, wear resistance, corrosion resistance, high thermal conductivity, low thermal expansion coefficient, and high hardness. These qualities make it an ideal material for numerous industries.

Hot-press sintering is generally considered an ideal sintering method, yielding ceramics with high density, strength, and mature production processes, thus finding widespread applications. The other variation is pyrolytic boron nitride (PBN), prepared using chemical vapor deposition (CVD) techniques. Let's compare these two by focusing on hot-pressed boron nitride and pyrolytic boron nitride.

The SAT inspection is based on the physical properties of ultrasonic waves, similar to medical ultrasound examinations or sonar detection in submarines. Ultrasonic waves are transmitted into the ceramic substrate's interior through a certain medium.