Use of titanium and tungsten as an alternative to gold in jewellery manufacturing
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Date Uploaded:
25 November 2022
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In this study the use titanium and tungsten as alternatives to the noble metals in the jewellery industry was investigated. The degradation of titanium and tungsten were compared to that of gold, used as reference, Alternate immersion tests were performed in 3.5% sodium chloride and artificial perspiration. The metals" abrasion resistance with respect to textile fabrics was determinedIn general, there is around 30% difference in pit density for titanium and tungsten as compared to that of gold. Pit depth and pit diameter showed a similar trend. From the abrasive test performed, it was observed that titanium and tungsten had insignificant changes in the surface reflectivity with time, Hence, it was deduced that titanium and tungsten products would have longer maintenance intervals than that of gold, New tools and techniques, however; would be required by jewellers to work with titanium and tungsten.
