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https://www.ganoksin.com/article/platinum-alloy-applications-for-jewelry/
5 rows · While there is palladium jewelry and findings being made, the main use for palladium in the ...
https://www.technology.matthey.com/article/62/4/364-382/
10 rows · The addition of alloying elements, which promote better mechanical and microstructural properties, ...
https://www.stuller.com/articles/view/popular-us-platinum-jewelry-alloys/
Aug 15, 2012 · 95% Pt / 5% Ir. While 5% Ir exhibits many of the same properties as its sister 10% Ir alloy, in terms of its brightness and ability to fill fine sections, the higher Pt content renders it the softest of all the Pt alloys currently in use in the U.S. (80 HV – annealed state).
https://www.gimat.com/platinum-jewellery-alloys/
Platinum Jewellery Alloys Johnson Matthey, one of the world’s largest refiners and fabricators of precious metals, has gained over 150 years experience supplying jewellery manufacturers and craftsmen with gold and platinum alloys of guaranteed quality, and refining their scrap materials.Estimated Reading Time: 2 mins
https://theassayoffice.com/platinum_alloys
However, platinum in its pure state is very soft and unsuitable for making jewellery. The 50ppt of the alloy that are not platinum are therefore all important, as they add critical technical properties. Iridium, rhodium and ruthenium raise the melting point and the hardness and may make the alloy appear whiter still. Cobalt lowers the alloy melting point, improves fluidity in casting and makes the alloy very slightly …
https://patents.google.com/patent/DE202012003711U1/en
Platinum alloy containing 93 to 97 wt.-% platinum and gold, characterized in that the gold content is between 1 to 4 wt.-%, and that the alloy further contains 1 to 4 wt.-% indium, the Add 100% by...
https://www.carreracasting.com/services/casting-service/platinums
Platinum is the ultimate in luxury. The number one choice for bridal jewelry. All of our platinum comes from Johnson Matthey, the world wide leader in platinum production. **All of our platinum is Eco-friendly.
https://www.ganoksin.com/article/platinum-alloys-features-benefits/
Most metal vendors carry at least one of these alloys. Usually they are based on gallium/indium combinations. It is important to remember that these alloys have a lower melting point than regular platinum alloys. Usually a platinum alloy will melt in the mid to high 1700°C range. These specialty alloys will melt as low as 1500°C. Pt950/15In/30Ga
https://www.riogrande.com/category/metals/platinum
Rio Grande jewelry making supplies for the best in jewelry findings and gemstones, tools, jewelry supplies and equipment, and the packaging and display items essential to the success of your jewellery business since 1944. Rio Grande offers competitive pricing, excellent service, ordering convenience and fast product delivery.
https://www.assayofficelondon.co.uk/media/2560/jewellery-alloys-past-present-future-c-corti.pdf
Two nose rings from Colombia were found to be made in native platinum-iron alloy and platinum -copper alloy containing small inclusions of osmiridium (an alloy of osmium and iridium) It was only Wollaston’s development of refining techniques in the early 1800s that enabled pure platinum (and its sister metals) to …
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