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Metal Implanted In Medicine ------ Tantalum

Jan 19, 2018

The primary use of tantalum metal is in making capacitors. A capacitor is an electrical device similar to a battery. It can be


Tantalum alloys are used to make artificial joints, such as an artificial hip shaft (left) and socket.

Tantalum alloys are used to make artificial joints, such as an artificial hip shaft (left) and socket.

given an electrical charge, which it then stores until needed. Capacitors are essential parts of nearly all electrical circuits. Semiconductor circuits, like those used in transistors, require tiny capacitors the size of grains of rice. Tantalum is one of the best metals for this purpose. Different kinds of capacitors are made for many different applications. They are used in military weapons systems, aircraft, space vehicles, communication systems, computers, and medical applications. For example, the smallest hearing aids are likely to have a tantalum capacitor.

Tantalum is also used in many different alloys. An alloy is made by melting and mixing two or more metals. The mixture has properties different from those of the individual metals. Tantalum alloys are used in laboratory equipment, weights for very precise balances, fountain and ball point pen points, and tools that have to operate at high speeds and temperatures.


Another application for tantalum alloys is in medical and dental applications. The metal has no effect on body tissues. It is used in artificial hips, knees, and other joints. Pins, screws, staples, and other devices used to holds bones together are also made of tantalum alloys.


Tantalum and its compounds are not thought to pose a serious health hazards to humans and animals.






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