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Sinter additives

Figure C2.11.3. A scanning electron micrograph of tire spherical alumina granules produced by spray drying a ceramic slurry. The granules are comprised of individual alumina particles, sintering additives, and an organic binder. Figure C2.11.3. A scanning electron micrograph of tire spherical alumina granules produced by spray drying a ceramic slurry. The granules are comprised of individual alumina particles, sintering additives, and an organic binder.
Since the 1960s, the quaUty of M-ferrite manufactured has improved continuously, while the price has decreased considerably. Decisive progress in quahty was obtained by the appHcation of sinter additives (90), the introduction of pressing in a magnetic field (23), and the use of Sr instead of Ba, in combination with a sophisticated appHcation of Si02 (91,92). Important contributions to price reduction came from the development of fast multiple-die... [Pg.195]

The mentioned SiAlONs (and SiBeONs) are notable exceptions to the extended solubility of the ft phase, whereas the solubility of all other alloying elements listed in Table 3 is quite limited. The related systems are important for an understanding of the effect of sintering additives. [Pg.65]

Impurities distribution in the sintering additions size distribution... [Pg.80]

Besides the influence of the starting powders and the sintering additives, temperature, time, pressure, and atmosphere are important parameters which must be taken into account. [Pg.87]

Amount and composition of the sintering additives may also be changed by interaction with the atmosphere. For instance, A1203 can be partially reduced to AlN which will be dissolved in the /l-Si3N4 lattice (Sect. 3) according Eq. (12) ... [Pg.88]

MgO, commonly used as sintering additive, is unstable and evaporates according to ... [Pg.88]

Fig. 20. Grain diameter and aspect ratio distribution for Si3N4 ceramics densified with various sintering additives... Fig. 20. Grain diameter and aspect ratio distribution for Si3N4 ceramics densified with various sintering additives...
A1203 free with special compositions or no sintering additives Special compositions depending on the corrosive media Homogeneous distribution... [Pg.105]

Fig. 30. Creep behaviour of Si3N4 ceramics with different sintering additives under 150 MPa static load [413]... Fig. 30. Creep behaviour of Si3N4 ceramics with different sintering additives under 150 MPa static load [413]...
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See also in sourсe #XX -- [ Pg.183 , Pg.197 ]



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