Article - 10 Jul 2008
The experimental determination of GB or IB diffusion coefficients is very similar to that for the corresponding bulk diffusion, the main difference being the relation between penetration and diffuser...
Article - 1 Jun 2007
Geopolymers are materials similar to Portland cement but made from natural aluminosilicates. Geopolymers made from industrial byproducts like flyash and blast furnace slag may be used to encase...
Article - 21 Sep 2005
In this research, our aim was to lower the sintering temperature of barium titanate using features of microwave sintering, namely selective heating and rapid heating, by promoting liquid phase...
Article - 16 Aug 2003
Sapphires are well known gem stones. The stages in their processing, such as grading, heat treatment and marketing are discussed. Characteristics and colours are also mentioned.
Article - 2 Apr 2002
Physical properties of titanium and titanium alloys such as density strength, thermal conductivity, electrical resistivity, magnetic properties, elastic modulus, poissons ratio, tensile strength,...
Article - 13 Feb 2002
Titanium components can be fabricated in similar ways to stainless steels and nickel-based alloys. Processes such as cold forming, hot forming, drawing, tube bending and roller expansion are covered...
Article - 4 Sep 2001
Relative advantages, disadvantages and applications are listed together with a table of typical properties.