High-strength and wear-resistant ceramic material production process

Thread Content

The acid-resistant ceramic pump uses a ceramic material that is relatively hard, impact-resistant and can meet its functional requirements. Compared with metals, it has excellent corrosion resistance. There is no corrosion such as crevice corrosion, pitting corrosion, selective corrosion and galvanic corrosion that appear in metals. The production process of this kind of ceramic material is relatively complicated and requires high-temperature calcination, so that it has stable performance, high strength and good integrity. The general process flow of engineering ceramic materials used in ceramic pumps is divided into: Ceramic raw materials--after aging treatment for more than one year--ball milling into slurry--pressing and filtering--vacuum mud smelting---aging for three months--forming---firing in a high temperature kiln at 1450 degrees--finished product. High-strength wear-resistant ceramic material performance parameters: Project unit index 75 porcelain 95 porcelain 99 porcelain wear-resistant ceramics Specific gravity T/m3 3.2-3.43.5 3.92.3-2.4 Flexural strength Mpa 250-300 280-350 350-39080-120 Thermal expansion coefficient X10-6/C 5.0-5.55.5-7.5 6.7 3-6 Thermal stability 200 ℃ - room temperature 2 times 200 ℃ - 20 ℃ 10 times 200 ℃ - high temperature 5 times 350 ℃ - room temperature