详情描述

Zirconia ceramic powder comes in various specifications. The following are common characteristics:

  1. High temperature resistance: Zirconia ceramic powder boasts an extremely high melting point (about 2715℃), maintaining stable performance in high-temperature environments.

  2. Corrosion and wear resistance: This material offers excellent resistance to various chemicals and abrasion, making it suitable for use in harsh environments.

  3. High Hardness: Products made from zirconia ceramic powder have high hardness, with Mohs hardness greater than 9 and bending strength up to 1150MPa.

  4. Superior electrical properties: Insulating at room temperature and conductive at high temperatures, this characteristic offers broad application prospects in the electronics field.

  5. Low-temperature sinterability: Zirconia ceramic powder features low-temperature sinterability, which is beneficial for reducing production costs and improving efficiency.

Section 3: Application Fields

  1. Zirconia Ceramic Powders: The primary raw material for manufacturing zirconia special ceramics, these ceramic materials are widely used in aerospace, mechanical engineering, automotive, metallurgy, and other fields, for the production of mechanical components such as bearings, valves, and grinding balls.

  2. Fired Materials: Due to the high melting point and excellent corrosion resistance of zirconia ceramic powder, it is widely used in the production of fired materials, such as zirconia crucibles, refractory fibers, and furnace materials, etc.

  3. Functional Ceramics: In the field of functional ceramics, zirconia ceramic powder is used to produce ceramic knives, high-temperature heating materials, biomaterials, and coating materials, among others. For instance, zirconia ceramic knives feature high strength, wear resistance, non-oxidation, and non-corrosion; while zirconia coating materials can enhance the working temperature and service life of high-temperature components such as engines.

  4. Other Fields: Additionally, zirconia ceramic powder is also used in the production of ceramic color glazes, glass, catalyst carriers, and in the manufacturing of medical and health care products.

IV. Production Process

The production process of zirconia ceramic powder is complex and diverse, involving various methods such as chlorination and thermal decomposition, alkali metal oxidation decomposition, lime fusion, plasma arc, precipitation, colloidal, hydrolysis, and spray pyrolysis. The choice of these processes depends on factors such as the required purity, particle size distribution, and production costs.