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Beryllium oxide is being studied for use in increasing the thermal conductivity of uranium dioxide nuclear fuel pellets. [116] Beryllium compounds were used in fluorescent lighting tubes, but this use was discontinued because of the disease berylliosis which developed in the workers who were making the tubes. [117]
Beryllium is used mainly in military applications, [66] but non-military uses exist. In electronics, beryllium is used as a p-type dopant in some semiconductors, [67] and beryllium oxide is used as a high-strength electrical insulator and heat conductor. [68] Beryllium alloys are used for mechanical parts when stiffness, light weight, and ...
Sintered beryllium oxide is a very stable ceramic. [16] Beryllium oxide is used in rocket engines [citation needed] and as a transparent protective over-coating on aluminised telescope mirrors. Metal-coated beryllium oxide (BeO) plates are used in the control systems of aircraft drive devices. [17]
Beryllium copper (BeCu), also known as copper beryllium (CuBe), beryllium bronze, and spring copper, is a copper alloy with 0.5–3% beryllium. [1] Copper beryllium alloys are often used because of their high strength and good conductivity of both heat and electricity. [2] It is used for its ductility, weldability in metalworking, and machining ...
Beryllium is a chemical element; it has symbol Be and atomic number 4. It is a steel-gray, hard, strong, lightweight and brittle alkaline earth metal. It is a divalent element that occurs naturally only in combination with other elements to form minerals. Gemstones high in beryllium include beryl (aquamarine, emerald, red beryl) and chrysoberyl.
Beryl is a beryllium compound that is a known carcinogen with acute toxic effects leading to pneumonitis when inhaled. [15] Care must thus be used when mining, handling, and refining these gems. [ 16 ]
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A beryllium tamper also minimizes the loss of X-rays, which is important for a thermonuclear primary which uses its X-rays to compress the secondary stage. [14] The beryllium tamper had been considered by the Manhattan Project, but beryllium was in short supply, and experiments with a beryllium tamper did not commence until after the war.