After World War II, with the development of high technology, the application of beryllium gradually expanded to nuclear technology, aerospace and aerospace industry, inertial navigation instrument panel, special optical equipment and other new industries. Beryllium is often used in this industry, because beryllium has a series of advantages, such as low density, high melting point, high toughness, excellent radiation trafficability, low Poisson's ratio, good nuclear characteristics, high constant pressure specific heat specification reliability, excellent thermal conductivity, good compatibility for infrared reflection and thermal deformation.
In the new industries, beryllium is widely used in the nuclear technology industry as the structural raw material. Beryllium is used as the neutron retarder and reflector. It is widely used in the atomic furnace, especially in the experimental nuclear reactor and nuclear bomb. It is also likely to be used as beryllium target to produce dust particles in the nuclear diagnosis and treatment equipment, plasma technology in the thermonuclear reaction equipment, and coating raw materials for the limiting ring.
It is used for a variety of construction raw materials of four-axis spacecraft in indoor space, including communication satellite and spacecraft common base frame, column beam, fixed truss beam, external structure, rotating and racemic service platform, communication satellite solar panel base frame, etc. beryllium plate has also been used to make communication satellite skin, cruise missile rotating shell, honeycomb paperboard, The instrument panel mounting plate and the wing box, tail rudder and other key components of the aircraft structure. The application of beryllium in spatial layout can reduce the weight of components by 20-50%, which can save a lot of investment in sending and application projects. However, the production, processing and characteristics of beryllium components have not produced any major problems in this application experiment.
In the past 30 years, inertial navigation instrument panel has gradually become one of the key and stable main uses of beryllium. The key is that beryllium has excellent specific bending stiffness, excellent specification reliability and thermal deformation compatibility. There are a variety of cruise missiles, airports, submarines, etc The inertial navigation system software with high-precision instrument panel components made of beryllium has been applied in spacecraft and long-distance civil aviation aircraft, which further improves the precision of navigation bar. Beryllium has become the basic raw material for manufacturing mobile gyroscope, instantaneous speedometer, gimbal and service platform. Other instrument components made of beryllium include substrate positioning tracker, inertial force wheel, reaction force wheel, positive proportion calculation shell, and digital camera shell for indoor space.
The application of electronic optics industry is the broadening of the application technology of beryllium in inertial navigation instrument panel. In addition to the superior characteristics of the above situation, the excellent reflection of beryllium on infrared is the basic application of beryllium here. Beryllium is used for indoor space autocollimation, and beryllium components are also used in some road autocollimation where inertial force is an important requirement, such as rotating mirror body of high-speed camera, mirror body guide of shaking scanner for communication satellite, large-diameter cylindrical grazing telescope and small-diameter x-ray optical microscope, Lightweight laser autocollimation is the key application of beryllium in the future, such as laser communication, fast fax system software and so on. The key industries that use the superior thermodynamic properties of beryllium include spacecraft nose cones, heat pipe radiators, aircraft black boxes, etc., which use beryllium as the raw material for endothermic reaction, airport brake pads, rocket engine propulsion chambers, etc., which also have load function in the thermal system software. Beryllium has been used as a window sealing material for various kinds of radiation because of its excellent pass through property. The raw material for sealing windows of X-ray tubes is beryllium, which has been used for a long time. It is also used in the flash counter of positive proportion electronic counter, and it is used for sealing windows of computer-controlled radial tomography scanners and electronic devices. In recent years, beryllium is also used to make sound transmission fixed beam and speaker adjusting rod of high fidelity audio equipment. The above-mentioned beryllium and beryllium aluminum alloys are used in new industries. In recent years, the application scope of beryllium copper alloy has gradually expanded, and it is widely used in various industries, such as electronic and electrical, communication equipment, aerospace, petrochemical equipment, metallurgical industry, mining, vehicles, household appliances, mechanical equipment manufacturing, etc. For example, beryllium bronze (beryllium copper alloy) is a kind of precipitated hard bottomed aluminum alloy. It has excellent physical properties, technological properties, organic chemical properties and corrosion resistance. After hardening and aging heat treatment, it has very high strength, ductility, ultimate strength and fatigue strength as well as high conductivity and thermal conductivity, High toughness and wear resistance, high creep corrosion characteristics, also has excellent forging characteristics, non-magnetic and impact when no flame conduction characteristics. Because beryllium copper alloy has advantages, its application is more and more common, and it has already become a key industrial production raw material in the social and economic infrastructure.
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