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https://www.reference.com/world-view/gold-used-make-jewelry-106488b05109408
Aug 04, 2015 · Therefore, gold is alloyed with other metals to make it stronger. The alloys used for jewelry are usually 16 or 18 karat gold. When gold is alloyed with metals like nickel and silver it becomes white gold, which is a favorite material for wedding rings. …
https://www.thoughtco.com/composition-of-gold-alloys-608016
Dec 08, 2019 · When you buy gold jewelry, it isn't pure gold. Your gold is really an alloy, or mixture of metals. The purity or fineness of gold in the jewelry is indicated by its karat number—24 karat (24K or 24 kt) gold is as pure as gold gets for jewelry. Gold that is 24K is also called "fine gold" and is greater than 99.7% pure gold.
https://www.callagold.com/education/gold-jewelry-alloys/
The alloy metals used with gold give it strength so it can be made into beautiful lasting jewelry. Beyond the strengthening purpose, alloying allows for colored gold. The most common colors of gold today are white gold and rose gold. However green gold is also used by some designers as accents.
https://www.totalmateria.com/page.aspx?ID=CheckArticle&site=ktn&NM=230
The primary use of gold/palladium alloys in for jewelry, where they are also known as white gold. However, gold/palladium alloys are also used in dentistry and they were used as spark plug electrodes, but the alloy has now been replaced by platinum.
https://www.jtv.com/library/article/jewelry-gold-alloying
In terms of gold jewelry, the fineness of gold is designated in karats, which is commonly abbreviated with "kt" or "K." Base metals are the more common metallic elements, like copper, zinc, and nickel, that are used to alter the appearance and/or durability of the alloy.
https://www.afashionblog.com/what-is-an-alloy-why-do-jewelers-use-alloys-in-jewelry/
Pure gold is too soft and thus hardly used in jewelry making. Even so, gold is preferred because it can get molded into any shape. When alloyed with other metals, it helps with the malleability and strength. That means it can retain its shape, whatever form it’s made in, and be durable.
https://www.sciencedirect.com/topics/materials-science/gold-alloys
Gold alloys were initially used to fabricate archwires because they are inert, biocompatible, and stable. Furthermore, before the widespread use of the SS wire, gold alloys were used due to the lack of the availability of other materials that can tolerate the oral conditions.
https://www.pricescope.com/articles/overview_common_alloys_used_jewelry
Dec 21, 2006 · Gold is popular because it can be worked into almost any shape. Yellow gold jewelry of 18K and above does not tarnish and rarely causes problems for people with skin irritations. White Gold is popular for its appearance and price point compared to platinum alloys.
https://www.gemsociety.org/article/jewelry-metals-overview/
Metals commonly alloyed with gold for jewelry purposes include: silver, copper, nickel, iron, zinc, tin, manganese, cadmium, and titanium. In addition to enhancing gold’s strength, alloying changes some of its other properties, too. For example, some gold alloys stain skin or cause allergic reactions.
http://www.jewelry24seven.com/metal_facts.htm
The two precious metals most often used in jewelry are alloys of silver and gold. There are many different alloys used in modern jewelry making. The type of jewelry you can wear is not just determined by your wallet - but also by the way your body reacts to and tolerates exposure to metals.
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