Applications of tantalum capillary tubes in aerospace field

Tantalum capillary tubes are very important in the aerospace field, thanks to their unique physical and chemical properties, especially in high temperature resistance, corrosion resistance, good mechanical strength and other advantages. The following are the main uses and contributions of tantalum pipes in the aerospace field:

1. High temperature sensors and detection equipment
A large number of high-temperature operations are involved in aerospace equipment, such as in the operation of rocket thrusters, aircraft engines and hypersonic vehicles, where temperatures can reach thousands of degrees Celsius. Tantalum high melting point (3017°C) and thermal shock resistance allow tantalum piping to operate stably under these extreme temperature conditions. It is often used in sensor housings and detection equipment in high temperature environments to ensure continuous and accurate measurement of temperature, pressure and other parameters under high temperature conditions.

2. Corrosion-resistant conduit in the fuel system
The fuels used in aerospace spacecraft tend to be highly corrosive, especially liquid rocket propellants and certain chemical propellants. Tantalum capillary tubes are widely used in spacecraft fuel systems for their excellent corrosion resistance to acid, alkali and various chemicals. Tantalum capillary tubings do not corrode when exposed to these chemicals, ensuring the long-term reliability and safety of the fuel system.

3. Thermocouple protection sleeve
Tantalum tubings can be used as thermocouple protective bushings to protect temperature sensors in high temperature environments of aerospace equipment. The tantalum thermocouple protective sleeve can maintain material stability under extremely high temperature conditions and prevent the influence of the external environment on the thermocouple, thereby improving the accuracy of measurement and the durability of the equipment.

4. Jet engine and rocket propulsion components
Tantalum tubes are also widely used in key components of jet engines and rocket thrusters. Because of its extremely high melting point and excellent resistance to thermal corrosion, tantalum capillary tubes are often used in the manufacture of high temperature resistant components, such as nozzle cooling systems and combustion chamber components. These components require materials that can withstand extreme temperatures and high pressures while ensuring stable system operation, and tantalum's properties meet these needs.

5. Spacecraft structural materials and protective layers
Tantalum capillary piping can also be used as some protective layers or external protective materials for spacecraft structures. In low Earth orbit and deep space environment, spacecraft will be subjected to high-energy particle radiation, atomic oxygen and other external environment erosion, corrosion resistance and radiation resistance of tantalum make it an ideal material for spacecraft protection layer. In addition, tantalum also has excellent blocking ability, which can effectively reduce the impact damage of micrometeoroids and space debris on spacecraft.

6. Liquid or gas cooling system
Tantalum capillary tubes are also used in aerospace systems for liquid or gas cooling systems that require precise temperature control. Because of its resistance to high temperatures and corrosion, tantalum is the ideal material for these critical cooling channels, ensuring a stable cooling effect under extreme conditions.

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