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Tellurium is usually added to copper to improve machinability ("free cutting"). ASTM specification B301 has 0.5% tellurium; at concentrations of up to 0.75% machinability is improved while electrical conductivity and hot working behavior is maintained.
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 ]
This page was last edited on 16 November 2024, at 12:16 (UTC).; Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; additional terms may apply.
Tellurium is a semiconductor that shows greater electrical conductivity in certain directions depending on atomic alignment; the conductivity increases slightly when exposed to light (photoconductivity). [14] When molten, tellurium is corrosive to copper, iron, and stainless steel.
Mixing about 2.0% beryllium into copper forms an alloy called beryllium copper that is six times stronger than copper alone. [93] Beryllium alloys are used in many applications because of their combination of elasticity, high electrical conductivity and thermal conductivity , high strength and hardness , nonmagnetic properties, as well as good ...
Beryllium Be Be 2+ reacts with acids and steam Aluminium Al Al 3+ Titanium Ti Ti 4+ reacts with concentrated mineral acids: pyrometallurgical extraction using magnesium, or less commonly other alkali metals, hydrogen or calcium in the Kroll process: Manganese Mn Mn 2+ reacts with acids; very poor reaction with steam smelting with coke: Zinc Zn ...
See also: Electronegativities of the elements (data page) There are no reliable sources for Pm, Eu and Yb other than the range of 1.1–1.2; see Pauling, Linus (1960).
Tellurium compounds are compounds containing the element tellurium (Te). Tellurium belongs to the chalcogen (group 16) family of elements on the periodic table, which also includes oxygen, sulfur, selenium and polonium: Tellurium and selenium compounds are similar. Tellurium exhibits the oxidation states −2, +2, +4 and +6, with +4 being most ...
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