Aircraft piping system The piping system is the lifeline of the aircraft; its performance directly affects the overall performance of the aircraft. If the engine is compared to the heart of the airplane, then all kinds of pipelines are like the blood vessel network of the aircraft, which constantly delivers all sorts of nutrients to all corners of the airplane. The reliability and durability of the piping system are essential factors that affect flight safety, reduce maintenance costs, and meet airworthiness requirements, so it is very important to improve the piping system’s technical level to improve the airplane’s performance.As an advanced lightweight structural material, titanium alloy has excellent comprehensive performance with low density, high specific strength, good fatigue strength and crack extension resistance, excellent corrosion resistance, good welding performance, etc. Therefore, it has an increasingly wide range of applications in aviation, aerospace, automotive, shipbuilding, energy and other industries. About 80% of titanium production is used in aviation and aerospace. Due to the development of titanium alloy tubes and processing technology is very difficult, coupled with the expensive titanium alloy materials, so its application in the application of the limitations is currently mainly in the industrial corrosion resistance and relatively wide range of applications in the ship, such as seawater installations, nuclear power, saline, and alkali industries, as well as ships and so on. But abroad, due to the development of titanium alloy tubing and supporting the development of mature application technology, titanium alloy tubing in developed countries, aviation, aerospace, and other fields have specific applications, such as foreign advanced aircraft air intake piping, hydraulic piping, fuel piping, etc. are widely used titanium alloy tubing. Due to the development of titanium alloy tubing in China, bending and tube fitting technology is not yet fully mature, and titanium alloy tubing in civil…
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