wear resistant Si3N4 ceramic trolley roller wheel
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Silicon Nitride Ceramic:
Aluminum nitride ceramics are an important part of the production process of aluminum profiles in the electrolytic industry. It is necessary to conduct qualitative analysis and research on the content of aluminum profiles in the oxidation industry. This paper will introduce the influence of the content of aluminum profiles in the oxidation industry on the main production parameters of aluminum profiles in the electrolytic industry.
Effect of Aluminum Nitride Ceramic content on current efficiency High Precision Scribing Ceramic Substrate Sheet Thin Plate
There are two kinds of arguments for this problem in the scientific community. One is that the aluminum alloy in the oxidizing industry has a high content of aluminum and the current efficiency is high; the other is that the oxidized industrial aluminum has a low content and high current efficiency. In fact, in both cases, it is impossible to say that under different production conditions, sometimes the content of aluminum in the oxidized industrial is too high, and it is easy to cause precipitation and damage the electrolytic cell; sometimes the content of aluminum in the oxidized industrial is too low, and the anode effect is likely to occur. This is mainly based on the actual matching production conditions to determine the suitability of the oxidized industrial aluminum profile content. However, since the large-scale pre-baked trough of industrial aluminum profile electrolysis, it has been proved that the low content of the aluminum alloy in the oxidation industry is better. On the practical surface, the low content of the aluminum profile in the oxidizing industry can reduce the solubility of carbon dioxide in the electrolyte; the total area of the anode bubble can be reduced, thereby reducing the amount of carbon dioxide dissolved, thereby reducing the secondary oxidation loss of the industrial aluminum profile liquid.
Relationship between the content of aluminum nitride ceramic profiles and the precipitation of oxidized industrial aluminum profiles
At present, most of the production uses low-temperature electrolysis, and the solubility of the low-temperature molecules in the production of the electrolytic aluminum profiles is greatly reduced, which is likely to cause precipitation. Because of the low-oxidation industrial aluminum profile content, the large amount of precipitation in the electrolytic cell can be avoided, and the electrolytic production is stable.
properties:
High hardness, high strength, wear resistance, corrosion resistance, high temperature(1200°), good thermal diffusivity, good thermal shock resistance(avoid the temperature changing rapidly), good insulativity, low density. The comprehensive properties are best in most of structure ceramic.
Data Sheet↓
Color: Black Grey
Density: ＞3.2g/cm3
Hardness: HRA90
Vickers Hardness (Hv50): ＞1550 HV0.5
Modulus of Elasticity: 290Gpa
Flexural Strength: ＞600Mpa
Compressive Strength: 2500Mpa
Modulus of Elasticity(25°C): 65Gpa
Fracture toughness:＞6.0 Mpam1/2
Maximum Use Temperature: 1200°C
Thermal Conductivity:15-20 W(m.K)
Thermal Expansion Coefficient: ＞3.1 10-6/°C
Thermal Shock Resistance: 500 △T°C
Special Heat Capacity: 700 KJ/kg.K
Dielectric Strength: 1 KV/mm
Dielectric Constant: er
Volume Resistivity(20°C): 1.0*10(12)Ω.cm
Application industry:
Machinery, electronic, semiconductor, chemical, petroleum, smelt.
Specific application:
Welding shaft, electronic substrate, plunger, nozzle, slide guide, diesel parts, metal molding, shaft wheels etc.
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