Alumina ceramics is a ceramic material with alumina (Al2O3) as the main body, used for thick film integrated circuits. Alumina ceramics have good conductivity, mechanical strength and high temperature resistance, while zirconia ceramics have high melting and boiling points, high hardness, insulators at room temperature, and electrical conductivity at high temperatures. With the wide application of zirconia ceramics and alumina ceramics, many friends want to know, which is more wear-resistant, zirconia ceramics or alumina ceramics?
It is understood that zirconia ceramics and alumina ceramics are the two main application products of industrial ceramics. Since Mingrui Ceramics is an enterprise and factory specializing in the production of zirconia ceramics and alumina ceramics structural parts, it is fully equipped with these two ceramic materials. Based on the experience and understanding of the company, the comparison of the wear resistance of the two ceramics is summarized through practical application experience, as follows:
1. Zirconia ceramics have the advantages of high hardness, good wear resistance, high toughness, low friction coefficient, and good corrosion resistance. The wear resistance is 15 times that of alumina ceramics. The friction coefficient of zirconia ceramics is only alumina ceramics. The friction coefficient of alumina ceramic itself is very low.
2. The density of zirconia ceramics is higher than that of alumina ceramics, the density of alumina ceramics is 3.5, the density of zirconia ceramics is 6, and the texture is more delicate. After grinding, the surface finish is higher, which can reach ▽9 or more. , It is mirror-like, extremely smooth, and has a smaller friction coefficient.
From the comparison of the wear resistance of zirconia ceramics and alumina ceramics introduced by Mingrui Ceramics above, it can be seen that the wear resistance of zirconia ceramics is much better than that of alumina. Of course, the price is also higher. Selected.
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