Article - 16 Feb 2002
Tungsten (W) was one of the first alloying elements to be used methodically—as early as the mid-19th century—to enhance the properties of steel.
Article - 11 Jan 2002
Two main types of titanium dioxide are used industrially, rutile and anatase. Due to poor mechaincal properties they are generally used for optical properties as pigments for paints, plastics, ceramic...
Article - 8 Jan 2002
Concentrators are essentially lenses that help to increase the intensity of the light hitting the PV. Concentrator systems are more complex and actually consist of complex optics. Their makeup,...
Article - 7 Jan 2002
Friction stir welding is a recent modification on friction welding. It is suited to aluminium, magnesium and other metals and can join dissimilar materials. Advantages over fusion welding are, no...
Article - 14 Dec 2001
Safety issues associated with the manufacture, installation and usage of solar cells are addressed in the article.
Article - 17 Nov 2001
Currently, finite element analysis can be applied to highly non-linear problems involving complex geometries, inelastic material behavior, and fluctuating process conditions of ceramics.
Article - 9 Nov 2001
Kaolin is an important mineral for industries such as paper manufacture, paints and ceramic manufacture. Its production in the Asian region is covered as well as consumption, imports, market and...
Article - 23 Oct 2001
Solid state joining processes are alternatives to fusion welding and can be applied to polymers as well as metals. They usually involve the use of heat and pressure to join parts. Heat may be...
Article - 28 Aug 2001
Zinc has many uses, many of which revolve around protective coatings for steel deposited by hot dip galvanising. These materials are ised in the automotive and construction industries. While the...
There have been major advances in methods of fatigue life estimation over the past 30 years. Allowable stresses can now be estimated to an accuracy of a few percent. Much of this knowledge is...