What is Memory Ring?
志联
2024-08-19
What is Memory Ring?
Memory ring It is made of titanium alloy, comes in various shapes, and has memory function. 。 Titanium is 20 Century 50 An important structural metal developed in the era, 。 Titanium alloys are widely used in various fields due to their high strength, good corrosion resistance, and high heat resistance. 。 Many countries in the world recognize the importance of titanium alloy materials 。 and have successively conducted research and development, and achieved practical applications. 。20 Century 50 ~ 60 era, 。 mainly developing high-temperature titanium alloys for aero-engines and structural titanium alloys for airframes, 。80 Since the era, 。 Corrosion-resistant titanium alloys and high-strength titanium alloys have been further developed. Titanium alloys are mainly used to manufacture aircraft engine compressor components, 。 followed by structural components for rockets, missiles, and high-speed aircraft. 。
Shape memory alloy, Because it has a recovery ability of over one million times, 。 So many people call it "Living alloy" Because shape memory alloy is a "living alloy," 。 Using its shape change at a certain temperature, 。 Various self-control devices can be designed 。 and its uses are constantly expanding. 。 Mechanical uses 。 Shape memory alloys are widely used. For example, clamping pins and pipe joints in machinery, fire alarms, connectors, and integrated circuit brazing in electronic instruments and equipment, artificial heart valves, spinal correction rods, skull repair and shaping, oral orthodontics, and maxillofacial repair surgery in medicine, etc. It will also play a magical role in communication satellites, color televisions, temperature controllers, and toys, and will become a new type of material in modern navigation, aviation, aerospace, transportation, light textile, and other fronts. Shape memory alloys have been used in pipeline joining and automation control. Using shape memory alloy sleeves can replace welding. The method is to fully expand the pipe end at low temperature, approximately 4% When assembling, they are connected together. Once heated, the sleeve shrinks and recovers its original shape, forming a tight connection. The hydraulic system of US Navy aircraft uses 10 tens of thousands of such joints, and no oil leakage or damage has occurred for many years. For damaged ships and submarine oil field pipelines, repair with shape memory alloy parts is very convenient. In some places where construction is inconvenient, use shape memory alloy pins, insert them into the holes and heat them, and the tail end will automatically separate and curl, forming a single-sided assembly.
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