Highly textured, dense alumina ceramics were fabricated by a processing route which utilizes a mixture of Al metal powder, alumina powder, alumina platelet (template) particles and a liquid phase former. The process involves ...

Two different alpha-sialon compositions have been densified by either pressureless sintering or capsul-free sinter HIPing using either single cation namely strontium, lanthanum, cerium, neodymium or their equimolar mixtures ...

The design, fabrication and application of flextensional composite transducers are summarized in this study. The moonie and cymbal type flextensional transducer consist of a ceramic driving element sandwiched between two ...

New alpha-beta SiAlON ceramics were produced, characterised and tested in turning operations of cast iron. Cutting speeds varied between 400-1200 m/min while feeding rates were between 0.3 to 0.5 mm/rev. The results were ...

It has previously been accepted that lanthanum and cerium do not form alpha-sialon structures because their ions are too large to enter the interstices in the structure. Recent work on heat-treatment of rare-earth densified ...

alpha-SiAlON is able to accommodate cations into its crystal structure if the cations are sufficiently small in size, thus helping to reduce the volume of the remnant grain boundary phase after processing. In this study, ...

Silicon nitride based ceramics offer great potential for industrial applications. However, the joining of Si3N4 based materials is necessary in various applications and this can be difficult to achieve. A capacitor discharge ...

In tableware industry, decorative appearance of final products is very important from the view point of attracting customers. Therefore, not only decoration patterns but also colouring is taken into account. In zinc ...

It is known that the SrO-MgO-ZrO2-SiO2 (SMZS) system glasses with 40 weight % silica content seem to give a very high chemical endurance against highly alkaline solutions and can be recommended for the reinforcement of ...

Boron carbide (B4C)-aluminium (Al) composites were produced by melt infiltration of 2024-T3 series Al alloys into porous B4C compacts in the temperature range of 985 degrees -1370 degreesC under an inert atmosphere (Ar). ...