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[381] A peek into the X Files on new Platinum Sterling
It took about two months of experimentation to get the formulas for Platinum Sterling Silver just right - Robinson created alloys containing 5 percent, 3.5 percent, and 1 percent platinum. But he's the first to admit that combining silver and platinum isn't a novel concept..... (2004)
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Show me more articles from: [MJSA Journal]|[Tina Wojtkielo]
Releated Categories: [Metallurgy]


[299] Alloys - Look on the White Side
In the jewelry industry, it's rare to have an alloy without drawbacks, particularly when the alloy is not yellow. When designing alloys, there are a number of hurdles to jump. First, color is absolutely critical. Unfortunately, we alloy designers have a relatively limited palette to work with. Gold and copper are the only two metals that are truly "colored;" all others are varying shades of gray. So when we design a white alloy, we donít make it "whiter," we make it "less yellow." .... (2003)
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Show me more articles from: [Hoover and Strong]|[Stewart Grice]
Releated Categories: [Metallurgy]


[354] Brepohl on White Metals and Alloys
In practice an experienced eye will usually be able to determine by color and luster whether a piece is made of silver, a base white metal such as nickel silver, or a precious white alloy such as white gold or platinum. If this can be determined by eye, it's usual to proceed directly to the qualitative test.... (2001)
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Show me more articles from: [The Theory and Practice of Goldsmithing]|[Prof. Dr. Erhard Brepohl]
Releated Categories: [Metallurgy]
ISBN: 0961598492


[216] Carat Gold Solders
In many countries, regulations govern the caratage of gold solders used to make jewellery and, with few exceptions, gold solder alloys should be of the same caratage as the jewellery. One problem with the production of solders is to ensure a good colour match with the jewellery being assembled.... (2003)
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Show me more articles from: [The World Gold Council]|[Chris Corti]
Releated Categories: [Metallurgy]


[961] Causes and Prevention of Defects in Wrought Alloys
Much of the recent literature on defects that occur in jewellery manufacture is focused on those occurring in lost wax investment casting. However, defects can also occur during casting of ingot and its fabrication into sheet, tube, wire and rod as well as their onward fabrication into jewellery components by processes such as stamping and forging. These defects, along with their causes and prevention, are briefly reviewed in this article, although those defects occurring in the die-striking of findings are described elsewhere in this issue.... (2002)
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Show me more articles from: [The World Gold Council]|[Mark F. Grimwade]
Releated Categories: [Jewelry Mass Production]|[Metallurgy]|[Casting Troubleshooting]


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