Article - 26 Jul 2005
Using a high-tech but low-cost technique, a Johns Hopkins undergraduate has tested tiny samples of four metal alloys to find the best blend for use in platinum jewelry. The optimal blend and test...
Article - 26 Nov 2004
Anodising is a surface treatment used for titanium alloys. The benefits, process and applications are all described.
Article - 28 Apr 2004
The purity or fineness of silver and silver alloys is explained and common alloys provided.
Article - 9 Mar 2004
3D Systems Corp have developed a photoreactive epoxy resin for use in stereolithography. The new product is designed for use by jewellery manufacturers for making design models and patterns, including...
Article - 3 Jul 2003
A summary of a report on gold production is presented. It covers the main players and countries where significant anmounts of gold have been produced. Posted June 2003
Article - 15 May 2003
Recent developments and trends in the world gold market are reported. Of particular interest are developments in China. Posted May 2003
Article - 5 May 2003
Atomic, electrical, mechanical, physical and thermal properties of gold are provided. Some chemical properties are also provided, while some applications are mentioned.
Article - 20 May 2002
Powder metallurgy provides a fast an economical alternative method to traditonal techniques for production of rings. This article describes the patented process used by Engelhard for producing wedding...
Article - 21 Jul 2001
Silver metal in its pure state has a brilliant white metallic lustre and it is a little harder than gold and is very ductile and malleable. It has 3 commercial types and applications in jewellery,...
Article - 26 Mar 2004
The purity of gold is expressed in carats or fineness. These two measures of purity are explained and compared. Purity quality marks are also explained.Why gold alloys are used for jewellery is also...