Article - 21 Sep 2005
A review of the materials and processing designs to improve the mechanical and corrosion properties of magnesium alloys is reported by grains refinement via repeated plastic working and magnesium...
Article - 20 Sep 2005
Self-crack-healing is proposed as a new method for improvement in reliability of structural ceramics. Mullite/SiC particle/SiC whisker multi-composites were developed for improvement in fracture...
Article - 28 Apr 2005
Sooty engine oils develop a structure of carbon particles at rest. If structure forms quickly, the oil will be immobilized on the engine surface to form immediate lubrication again on start-up. If the...
Article - 16 Sep 2003
The use of alumina and zirconia in orthopaedic implants is outlined, in particular in total hip replacements. Advantages of using ceramics are also listed. The hip replacement procedure is described...
Article - 3 Apr 2002
A comprehensive overview on magnesia from its origins, occurrences, raw materials, and grades.
Article - 4 Feb 2002
Plasticizers are unique types of additives. Without plasticizers, a majority of the injection molding compounds would have been completely unfit.
Article - 7 Nov 2001
Vinyl roofing offers a clean, quick and safe alternative to built up roof designs, while many existing roofing systems involve a flexible vinyl membrane.
Article - 31 Oct 2001
Vinyl wall coverings are used in both residential and commercial applications for aesthetic and practical reasons. Properties, design considerations, types, installation, maintenance, manufacturing...
Article - 20 Jul 2001
In 1817, German chemist Friedrich Strohmeyer discovered cadmium from an impurity of zinc carbonate (ZnCO3). Cadmium derives from the Latin term ‘cadmia’ and the Greek word ‘kadmeia’, which are ancient...
Article - 29 May 2001
These materials combine the strength, hardness and wear resistance of carbon with the corrosion resistance and self lubricating properties of graphite. They can be impregnated with various materials...