Article - 3 Apr 2002
While platinum is best known as a precious metal and use in jewellery and as an investment, it has several other key uses. Some of these include catalysts for automotive and chemical applications,...
Article - 16 Feb 2002
The only material that is practically used for electron emitters is tungsten. Although there are other electropositive metals that yield higher emission rates, tungsten has an extremely low vapor...
Article - 27 Aug 2001
Surface treatments such as ion implantation, ion beam mixing, laser processing, PVD, CVD and laser alloying are being applied to monolithic ceramic materials to improve surface properties so that they...
Article - 31 Jul 2001
Bicomponent extrusion is a novel process for producing ceramic fibres with distinct core and sheath phases. These materials have potential use in metal and ceramic matrix composites and have the...
Article - 20 Jul 2001
Calcium (Ca) is placed in group IIA of the periodic table along with St, Ba and Ra. The name calcium is derived from the Latin word “calas” meaning lime, which was known as early as the first...
Article - 28 May 2001
Molybdenum disilicide (MoSi2), a refractory metal silicide, is mainly used as a heating element and has been recognized as a potential structural ceramic