Zirconia is a commonly used material in dental plastic surgery. It is a white and odorless crystal in the unprocessed state. It is insoluble in water, hydrochloric acid and dilute sulfuric acid. It has good stability, so it is used to make cosmetic crowns. , dental implants, dental veneers, etc.
Application of zirconia and isostatic pressing process
1.The application of Zirconia material
Zirconia material has excellent physical and chemical properties such as high hardness, high strength, high toughness, extremely high wear resistance and chemical corrosion resistance. Zirconia has been used in ceramics, refractory materials, machinery, electronics, optics, aerospace, biological , chemistry and other fields have been widely used.
2.The advantages of Zirconia material
1)The hardness of zirconia ceramics is close to that of natural diamonds, lighter than metal, and has gem properties such as never wear and discoloration;
2) High anti-wear, anti-oxidation, never rust, never change color, never cause skin allergies;
3) Insulation, without the pollution of metal and electroplating, it is an ideal environmental protection material in the watch industry;
4) Density color ceramic case, bezel, dial, buckle, case and other products, with extraordinary texture and vision;
5) It is extremely hard, beautiful and durable, does not damage the skin, reveals a unique luster, the product is elegant and luxurious, bright and bright, outstanding and outstanding.
Zirconia ceramics is a new type of high-tech ceramics. Compared with traditional alumina ceramics, it is much better in terms of texture, craftsmanship and color. Zirconia ceramics have phase transformation toughening and micro-crack toughening, so they have high Its strength and toughness are among the highest among all ceramics.
3.Zirconia ceramics and isostatic pressing
Zirconia ceramics have excellent properties such as high melting point and boiling point, high hardness, insulators at room temperature, and electrical conductivity at high temperatures, and are widely used in industrial production.
Isostatic pressing is mainly used for zirconia ceramics with special shape and large size. The green body formed by isostatic pressing is uniform and equal in pressure in all directions, and the pressure is large. Therefore, the formed green body has high density, good uniformity, small firing shrinkage, and is not easy to deform. This molding method can avoid delamination that is easy to occur during dry pressing, especially when forming thicker zirconia products.
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