Механические свойства элементов Периодической системы Менделеева

Mechanical Properties Of Elements from http://matweb.com/

Lithium

Hardness, Vickers Max 5

Tensile Strength, Ultimate Max 15 MPa

Beryllium

Hardness, Rockwell B 75–85

Tensile Strength, Ultimate 370 MPa

Tensile Strength, Yield 240 MPa

Elongation at Break 3%

Modulus of Elasticity 303 GPa

Compressive Yield Strength 270 MPa Yield at 0,2% offset (10% higher than tensile yield strength)

Poisson's Ratio 0,07–0,18 values between 0,07 and 0,18 have been reported for beryllium

Charpy Impact 1,5–5,5 J (1,11–4,06 ft-lb) Notch status unknown

Fatigue Strength 160 MPa 10⁷ cycles; Kt=3,07 and R = 0,1

Fatigue Strength 240 MPa 10⁴ cycles; Kt=3,07 and R = 0,1

Fatigue Strength 240 MPa smooth; 10⁷ cycles (=yield strength)

Fracture Toughness 10,6–12,3 MPa-mЅ KIC for hot-pressed structural grades

Shear Modulus 135 GPa

Shear Strength 345 MPa hot-pressed block

Shear Strength 480 MPa cross-rolled sheet

Boron (Crystalline)

Knoop Microhardness 99,9% pure is 3300 (100 g load)

9,3 Mohs

Tensile Strength, Ultimate 2,6–3,1 MPa

Compressive Yield Strength Max 0,5 MPa B₂ O₃ inclusions

Boron (Amorphous)

Tensile Strength, Ultimate 1,6–2,4 MPa

Modulus of Elasticity 0,44 GPa in tension

Diamond (С)

Hardness, Knoop 8000

Knoop Microhardness 56–102 (001) face

Knoop Microhardness 58–88 (110),(111) faces

Knoop Microhardness 79 GPa

Vickers Microhardness 88–147 in GPa; (001) face

Vickers Microhardness 98 in GPa; (111) face

Hardness, Mohs 10

Abrasive Hardness 140000

Modulus of Elasticity 700–1200 GPa

Compressive Yield Strength 8680–16530 MPa

Poisson's Ratio 0,1–0,29

Fracture Toughness 3,4 MPa-mЅ

Sodium

Hardness, Vickers 0,1

Tensile Strength, Ultimate Max 10 MPa

Magnesium (Annealed Sheet)

Hardness, Brinell 40 500 kg load/10 mm ball

Tensile Strength, Ultimate 160–196 MPa

Tensile Strength, Yield 90–105 MPa

Elongation at Break 3–15%

Modulus of Elasticity 44 GPa

Compressive Yield Strength 69–83 MPa

Poisson's Ratio 0,35

Shear Modulus 19 GPa Calculated

Coefficient of Friction 0,36 versus magnesium at 20°C

Magnesium (Hard-Rolled Sheet)

Hardness, Brinell 46 500 kg load/10 mm ball

Tensile Strength, Ultimate 180–220 MPa

Tensile Strength, Yield 115–140 MPa

Elongation at Break 2–10%

Compressive Yield Strength 105–115 MPa

Magnesium (Extruded)

Hardness, Brinell 35 500 kg load/10 mm ball

Tensile Strength, Ultimate 165–205 MPa

Tensile Strength, Yield 69–105 MPa

Elongation at Break 5–8%

Compressive Yield Strength 34–55 MPa

Magnesium (Sand Cast)

Hardness, Brinell 30 500 kg load/10 mm ball

Tensile Strength, Ultimate 90 MPa

Tensile Strength, Yield 21 MPa

Elongation at Break 2–6%

Compressive Yield Strength 21 MPa

Aluminum

Hardness, Vickers 15 Annealed

Modulus of Elasticity 68 GPa

Shear Modulus 25 GPa

Silicon

Knoop Microhardness 11270 N/mm²

Modulus of Elasticity 112,4 GPa

Compressive Yield Strength 120 MPa

Bulk Modulus 98,74 GPa

Poisson's Ratio 0,28

Shear Modulus 49 GPa Calculated

Calcium (Annealed)

Hardness, Brinell 17

Tensile Strength, Ultimate 40 MPa

Tensile Strength, Yield 13,7 MPa

Elongation at Break 52%

Modulus of Elasticity 23,4 GPa

Bulk Modulus 15,2 GPa

Poisson's Ratio 0,31

Shear Modulus 7,38 GPa

Calcium (Rolled)

Hardness, Vickers 17 Unknown Heat Treatment

Tensile Strength, Ultimate 110 MPa

Tensile Strength, Yield 84,8 MPa

Elongation at Break 7%

Scandium

Hardness, Vickers 132 (0001) face

Hardness, Vickers 36 (0101) face

Tensile Strength, Ultimate 255 MPa

Tensile Strength, Yield 173 MPa

Elongation at Break 5%

Modulus of Elasticity 74,4 GPa in tension

Bulk Modulus 56,6 GPa

Poisson's Ratio 0,279

Shear Modulus 29,1 GPa

Titanium

Hardness, Brinell 70 electrolytic Ti

Hardness, Vickers 60

Tensile Strength, Ultimate 220 MPa

Tensile Strength, Yield 140 MPa

Elongation at Break 54%

Modulus of Elasticity 116 GPa

Poisson's Ratio 0,34

Vanadium (Vacuum Annealed Sheet)

Hardness, Brinell 137 Converted from Rockwell B, (500 kg load)

Hardness, Knoop 173 Converted from Rockwell B

Hardness, Rockwell A 51,1 Converted from Rockwell B

Hardness, Rockwell B 83

Hardness, Vickers 159 Converted from Rockwell B

Tensile Strength, Ultimate 536 MPa

Tensile Strength, Yield 454 MPa

Elongation at Break 20% in 50 mm

Modulus of Elasticity 125,5 GPa

Poisson's Ratio 0,36

Shear Modulus 46,4 GPa

Vanadium (

Внимание, отключите Adblock

Вы посетили наш сайт со включенным блокировщиком рекламы!
Ссылка для скачивания станет доступной сразу после отключения Adblock!

Скачать