Tungsten alloys are generally used by aerospace designers for balancing components or reducing vibration. The high density of tunsten alloys materials allows maximum sensitivity from optimum mass and is particularly valuable in situations where a large mass has to be contained in a confined space.

Examples of applications where tungsten alloys have been used include:

Components such as ailerons, flaps, rudders and elevators are fitted with counterweights to optimize their performance.

Trim weights are used to achieve final balance in an individual component, assembly or complete aircraft.


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Precision-made tungsten parts and high-density tungsten alloys are used in a variety of applications, from multi leaf collimators and medical isotope production, transport and containment to radiation shielding materials, syringe shields, lead shielding replacement parts, and oncology treatment systems and instruments.

Tungsten alloys are used in a variety of diagnostic and therapeutic medical technologies. High-density alloys for multileaf collimators are used to comprise the individual leaves, which can move independently in and out of the path of a particle beam. This crucial device directs a beam and focuses radiotherapy treatment to precisely conformed shapes, delivering correct therapy doses to patients. Multileaf collimators are widely used in radiology departments and are an integral part of radiotherapy.


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The density and strength of tungsten alloys make them the first choice for radiation shielding applications.Their energy-absorbing qualities are excellent choices to protect sensitive electronic equipment, as well as delicate human tissue.

Tungsten alloys are used for radioactive source containers, gamma radiography, syringe shields, oncology treatment systems and oncology instruments. Tungsten alloys provide unsurpassed strength, control and protection.

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Heated tungsten
A heated filament made from the metal tungsten. Much in the way that an incandescent lightbulb works, the high voltage that is fed through the filament causes electrons to be kicked off the filament. The amount of energy required is known as the work function.

Lanthanum hexaboride (LaB₆)
The LaB₆ filament is also a thermal filament. However, its work function is lower than for a tungsten filament, so it is more efficient.

Tungsten field emission gun (FEG)
The FEG gun is not a thermal filament. Instead, electrons are expelled by applying a very powerful electric field very close to the filament tip. The size and proximity of the electric field to the electron reservoir in the filament causes the electrons to tunnel out of the reservoir.

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