2008 - The Role of Hardness in Jewelry Alloys

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2008 - The Role of Hardness in Jewelry Alloys

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Hardness is one of several parameters used to indicate the mechanical properties of jewelry alloys. Because hardness is easily measured, it is often used in the industry. Its value is of importance in fabricating jewelry and the subsequent performance of that jewelry when worn by the customer. After briefly discussing what hardness is and how it is measured, this presentation discusses the role of hardness in jewelry fabrication and how its value can be a useful tool in assessing the metallurgical condition of a jewelry alloy as well as its significance to service performance. Importantly, it highlights that there is a minimum hardness value required to make jewelry that will meet basic customer requirements for all jewelry metals - gold, silver, platinum and palladium.

Author: Dr. Christopher W. Corti

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