Technical Ceramics

Silicon Carbide (SiC) ceramics are widely used in various industries due to their excellent properties, such as high thermal conductivity, hardness, and chemical resistance. However, there are still several challenges and issues that need to be addressed to further enhance their performance and expand their applications. Below are some of the key issues and potential […]

Saint-Gobain Ceramics and Kyocera are two leading companies in the advanced ceramics industry, each with its own strengths, specialties, and market focus. Below is a detailed comparison of the two companies: 1. Overview Aspect Saint-Gobain Ceramics Kyocera Founded 1665 (Saint-Gobain), Ceramics division established later. 1959 Headquarters Courbevoie, France Kyoto, Japan Global Presence Operates in 76

Zirconia (ZrO2) ceramics are generally more expensive than alumina (Al₂O₃) ceramics due to several factors related to material properties, manufacturing processes, and applications. Here are the key reasons: 1. Raw Material Costs Zirconia (ZrO₂): Zirconia is derived from zirconium, which is less abundant and more expensive to extract and refine compared to aluminum, the source of alumina.

The performance of alumina ceramics (Al2O3 ceramics) can be improved by adding different additives, which can influence sintering behavior, microstructure, mechanical properties, thermal properties, and electrical properties. Below are common additives and their usage methods: 1. Sintering Aids Function: Reduce sintering temperature, promote densification, and decrease porosity. Common Additives: MgO (Magnesium Oxide): Inhibits grain growth

Advanced ceramics, also known as technical ceramics, are engineered materials with exceptional mechanical, thermal, electrical, and chemical properties. Below is an overview of the three most widely used advanced ceramics: Alumina (Aluminum Oxide – Al₂O₃), Silicon Carbide (SiC), and Zirconia (Zirconium Oxide – ZrO₂). Each is discussed in terms of properties, crystal structure, applications, advantages, disadvantages, manufacturing processes,

Zirconia (ZrO₂) ceramics can exhibit different colors due to variations in their composition, microstructure, and processing methods. The color of zirconia is influenced by several factors, including the addition of stabilizers, dopants, impurities, and the presence of defects in the crystal structure. Here’s a detailed explanation of why zirconia ceramics have different colors: 1. Stabilizers

Silicon Carbide (SiC) vs. Tungsten Carbide (WC) are both exceptional hard materials, but their distinct properties make them suitable for different applications.Let’s delve into a comprehensive comparison of Silicon Carbide (SiC) and Tungsten Carbide (WC), covering composition, crystal structure, properties, applications, cost, manufacturing, future trends, and 3D printing. 1. Composition Silicon Carbide (SiC): Composed of

Boron nitride (BN) ceramics, prized for their unique properties like thermal stability, chemical inertness, and lubricity, face several key challenges that hinder their widespread use. Here’s a breakdown of eleven issues and potential solutions: Issures and solutions: 1. Mechanical Weakness: Issue: BN ceramics, especially in pure form, lack the strength and toughness of other advanced

Both boron nitride (BN) and graphite have unique properties that make them attractive for additive manufacturing (AM) and future technological advancements. Here’s a comparison of their roles in AM and potential future developments: 1. Additive Manufacturing (3D Printing) Boron Nitride (BN): Challenges: BN is difficult to process using traditional AM techniques due to its high

Zirconia (ZrO₂) ceramics, prized for their strength, toughness, and wear resistance, face several challenges hindering their full potential. Here’s a breakdown of thirteen issues and potential solutions. Tthirteen issues and potential solutions 1. Phase Instability & Low-Temperature Degradation (LTD): Issue: Zirconia’s phase transformations (tetragonal to monoclinic) can cause cracking and weakening, especially in humid environments