What is Alloy - An alloy is the combination of metals or metals combined with one or more other elements. For example, red gold is made by combining the metallic elements of gold and copper, gold and silver become white gold, and silver, when combined wi
Electrum, a naturally occurring alloy of silver and gold with sometimes trace amounts of copper, platinum or other metals, was used by ancient societies as currency and to coat jewelry and statues. Depending on its trace metals, electrum can be an excellent conductor of electricity. Shibuichi, ...
Gold Things Made up of Metal In everyday life, we use numerous things made up of metal. These include utensils, pencils, nail cutters, foil paper, wires, jewellery, bolts and nuts, gates, coins, alloy wheels, tools, cutlery, car parts, metal windows, and doors. Also, mercury is used ...
Fine gold is gold that is almost pure. Its purity is typically graded using a scale of millesimal fineness. This denotes the number of parts per thousand of pure metal in the alloy, according to its mass. This fineness is generally rounded to a three-figure number, with decimal places ...
Along with platinum, rhodium, ruthenium, iridium, and osmium, the metal is part of a group known as platinum group metals. The bulk of the world's palladium supply comes from Russia, South Africa, the U.S., and Canada.1 Palladium is 30 times rarer than gold.2 ...
Chapter 4: What Is the Fabrication Process for Titanium Metal?The Kroll process is employed to convert crude titanium into titanium metal. This process involves several stages: extraction, purification, sponge production, alloy creation, and forming and shaping. Due to the high cost and time ...
It is common to find five different types of gold on the market: Fine gold, which is basically pure gold with fineness of 999 or above. Gold alloyis simply gold that has been mixed with other elements. Yellow goldcontains silver as the main alloying element. ...
Platinum Another paramagnetic metal is platinum. Because it has such a weak magnetic element that is barely traceable, it will not react to magnets. Pure platinum is one of the mostprecious metals, which makes it very rare. It is commonly used in jewelry and electronics, but platinum can als...
A third definition of a base metal is the metal core underlying a coating. For example, the base metal of galvanized steel is steel, which is coated with zinc. Sometimes sterling silver is coated with gold, platinum, or rhodium. While silver is considered a precious metal, it is less "pr...
Gold and silver melt easily and when absolutely pure are so soft you can push your thumbnail into them. You need to alloy them with a trace of copper or some other metal to make them durable enough for coins or jewelry. Not so with rhenium, iridium, and rhodium. Though rhenium is the...