hard toughness RBSN SiNx silicon nitride ceramics

hard toughness RBSN SiNx silicon nitride ceramics

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Silicon Nitride Ceramic:

In addition to pressing the powder into a certain shape, the molding of the ceramic ceramics of special ceramics can also exert pressure to make the powder particles interact with each other and reduce the porosity, so that residual stress is generated at the contact points between the particles (storage of additional energy). This residual stress is a driving force for the migration and densification of the solid phase diffusion material during the sintering process. The powder is not compacted by cold forming. Even if sintered at a very high temperature, the densified product is not sintered. A dense, non-porous ceramic can be obtained, and the important role of forming in ceramic sintering densification can be seen.
The hot pressed alkane is simultaneously carried out by heating and pressing, and the powder is in a thermoplastic state, which contributes to the contact and diffusion of the powder dry, and the flow mass transfer process, so that the required forming pressure is only 1/10 of the cold pressing; It can also reduce the sintering temperature, shorten the flexing time 6 and thus inhibit the growth of the grain. It is easy to obtain a product with fine grain size, high density and good mechanical and electrical properties. The disadvantage of the hot press sintering method is that the process cycle is long and the production efficiency is high. Low, can only be used to produce products with relatively simple shapes, and must be processed after scratching. This method is currently used to produce transparent ferroelectric ceramics, BN, SiN4, and can also be used to prepare ceramic turning tools with high strength.

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↓

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.

7.MOQ is not limited, small quantity is welcome.

8.Vigorous team and good after-sales service

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