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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 ]
number symbol name Mohs hardness [1] Vickers hardness (MPa) [1] Brinell hardness (MPa) [1] Brinell hardness (MPa) [note 1] [2] 3: Li: lithium: 0.6: 5: 4: Be: beryllium: 5.5: 1670: 590–1320: 5: B: boron
Mechanical properties of common copper alloys [2] Name Nominal composition (percentages) Form and condition Yield strength (0.2% offset, ksi) Tensile strength (ksi) Elongation in 2 inches (percent) Hardness (Brinell scale) Comments Copper (ASTM B1, B2, B3, B152, B124, R133) Cu 99.9 Annealed 10 32 45 42 Electrical equipment, roofing, screens
A Rockwell hardness tester. The Rockwell scale is a hardness scale based on indentation hardness of a material. ... Phosphor bronze, beryllium copper, malleable irons ...
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 ...
Traditionally, the wear of materials has been characterized by weight loss and wear rate. However, studies have found that wear coefficient is more suitable. The reason being that it takes the wear rate, the applied load, and the hardness of the wear pin into account. Although, measurement variations by an order of 10-1 have been observed, the ...
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