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The wear mechanism of engineering ceramics

Categories: Industry NewsStars: 3Stars Visit: - Release time: 2016-05-04 10:04:00
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Corrosion, wear and fracture are the three major forms of material failure, which caused by the friction wear failure accounted for about 70% ~ 80% of the equipment damage and losses every year hundreds of billions of dollars in [1].Improving lubrication, reducing wear and tear can bring huge economic benefits, it is estimated that more than about 2% of the gross national product.Visible increase abrasion resistance of the material is one of the hot spot in the national science and technology workers are.

engineering ceramics

Engineering wear resistant ceramics has high hardness, strength, high temperature resistant, excellent chemical stability, good insulation and dielectric properties master a series of characteristics, widely used in electronics, chemistry, petroleum chemical industry, agricultural chemicals, building materials, mining and other industries, especially as high temperature, corrosion resistant material, plays a huge role.Use most of occasions: gold mineral, slag and coal powder or slurry transportation pipeline lining;The cyclone separator, gas turbine, pump body leaves, plunger, casing and all kinds of valves;High speed mixer grinding medium, pharmaceutical, ceramics extrusion mould and ceramic scissors;Cables, wires and the idler pulley of textile industry;Fertilizer plant cracking furnace with a nozzle or spray drying was used in the food, the ceramic nozzle;Cutting wood cutting tool and machine in the forestry industry in all kinds of cutting tools, precision sealing components, measuring tool, cutting tool and so on.Now available for selection of engineering wear resistant ceramic materials have the oxide ceramics, nitride (e.g., Al2O3, ZrO2 ceramic) ceramic (such as Si3N4, Sialon material) and carbide ceramics (such as SiC, etc.).How to improve their wear resistance is one of the keys to the whole equipment longevity, also is the basic way to obtain the best economic benefits.


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