Search results
Results from the WOW.Com Content Network
High purity beryllium can be used in nuclear reactors as a moderator, reflector, or as cladding on fuel elements. [112] [113] Thin plates or foils of beryllium are sometimes used in nuclear weapon designs as the very outer layer of the plutonium pits in the primary stages of thermonuclear bombs, placed to surround the fissile material.
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 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 ...
First, and most publicized, was the contamination of the community’s groundwater by the Loral Corporation’s American Beryllium Co. (ABC). For more than 50 years, ABC machined toxic beryllium ...
The overall prevalence of chronic beryllium disease among workers exposed to beryllium has ranged from 1–5% depending on industry and time period of study. [ 35 ] [ 36 ] [ 38 ] The general population is unlikely to develop acute or chronic beryllium disease because ambient air levels of beryllium are normally very low (<0.03 ng/m 3 ). [ 39 ]
In the US, more than half of REEs are used for catalysts; ceramics, glass, and polishing are also main uses. [132] Other important uses of rare-earth elements are applicable to the production of high-performance magnets, alloys, glasses, and electronics. Ce and La are important as catalysts, and are used for petroleum refining and as diesel ...
Beryllium-aluminum alloy an alloy that consists of 62% beryllium and 38% aluminum, by weight, corresponding approximately to an empirical formula of Be 2 Al. It was first developed in the 1960s by the Lockheed Missiles and Space Company, who called it Lockalloy, [1] [2] and used as a structural metal in the aerospace industry because of its high specific strength [3] and stiffness. [4]
Hiduminium or R.R. alloys (2% copper, iron, nickel): used in aircraft pistons; Hydronalium (up to 12% magnesium, 1% manganese): used in shipbuilding, resists seawater corrosion; Italma (3.5% magnesium, 0.3% manganese): formerly used to make coinage of the Italian lira; Magnalium (5-50% magnesium): used in airplane bodies, ladders, pyrotechnics ...