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Q&A for How to Solder Gold
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QuestionCan gold-filled wire be soldered?Himesh Patel is a Metallurgical Engineer at Mcclelland Laboratories in Reno, Nevada. With over five years of industry and graduate research experience in the raw materials industry, Himesh has extensive knowledge of mining and mineral extraction and recovery methods, mine financing, and the environmental impacts of mining. He received his MS in Metallurgical Engineering from the University of Nevada, Reno, and a Dual Degree in Mineral Engineering from the Indian Institute of Technology (Indian School of Mines), Dhanbad. Himesh is passionate about educating the public about the minerals industry.Yes—in fact, gold wire is the ideal material to use when soldering some kind of gold jewelry. A 10-, 12-, or 14-karat gold wire would be appropriate because it has copper in it, which makes it strong.
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QuestionWhat does porosity mean in reference to gold?Community AnswerPorosity or void fraction is a measure of the empty space in a material, and is a fraction of the volume of voids over the total volume, between 0 and 1, or as a percentage between 0% and 100%.
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QuestionWhat would cause a gold-soldered joint to fail and come apart?Community AnswerThe most common reason would be that the joint was not cleaned of oxidation or dirt, which will keep the joint from bonding together.
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QuestionWhat material is used to solder gold?Cory John BuermannCommunity AnswerGold Wire to maintain purity and strength but Silver and various alloys work too.
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QuestionOnce I hammer out my gold ore into dust and then pan out what I think to be only gold dust, how do I get it to stick together? When it cools, it returns to dust no matter how much heat is initially applied.Cory John BuermannCommunity AnswerIt needs to be treated with a flux to deoxidize it. Otherwise, it will just keep returning to dust as it cools.
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QuestionWhy is my jewellery a different color now that it's been gold soldered?Cory John BuermannCommunity AnswerIf you don't use a flux or only apply it to the joint and not the entire piece, it may be discolored from that.
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QuestionHow do I print an alphabet in gold?Community AnswerIt's best to engrave any design on gold surface. Photo print is possible, but will erase it in a short time.
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QuestionHow do I keep gold in liquid form?Community AnswerConsistently add heat to the metal to keep it from concentrating into a solid. Mixing would help a bit, but mostly you just need to apply heat.
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