Механические свойства элементов Периодической системы Менделеева
C 3 Value below normal HRC range, for comparison only
Hardness,
Vickers 170
Tensile
Strength, Ultimate 1070 MPa Value at 800°C is 620 MPa, Value at
1200°C is 410 MPa
Tensile
Strength, Yield 290 MPa
Elongation
at Break 15–25%
Modulus
of Elasticity 469 GPa
Poisson's
Ratio 0,296
Shear
Modulus 176 GPa
Rhenium
(Deformed)
Hardness,
Brinell 500 Converted from Vickers for 3000 kg load/10 mm ball
Brinell test
Hardness,
Rockwell A 76 Converted from Vickers
Hardness,
Rockwell C 50 Converted from Vickers
Hardness,
Vickers 550 15% Cold-Worked
Tensile
Strength, Ultimate 2100 MPa
Elongation
at Break 1–3%
Modulus
of Elasticity 460 GPa
Osmium
(Annealed)
Hardness,
Brinell 293 Converted from Vickers for 3000 kg load/10 mm ball
Brinell test
Hardness,
Rockwell A 66 Converted from Vickers
Hardness,
Rockwell C 30 Converted from Vickers
Hardness,
Vickers 300
Tensile
Strength, Ultimate 1000 MPa
Modulus
of Elasticity 560 GPa
Osmium
(Cold-Worked)
Hardness,
Brinell 580 Converted from Vickers for 3000 kg load/10 mm ball
Brinell
test
Hardness,
Rockwell A 80
Hardness,
Rockwell C 57
Hardness,
Vickers 670
Osmium
(Arc-Melted)
Hardness,
Brinell 722 Converted from Vickers for 3000 kg load/10 mm ball
Brinell test
Hardness,
Knoop 822 Converted from Vickers
Hardness,
Rockwell A 83,4 Converted from Vickers
Hardness,
Rockwell C 64 Converted from Vickers
Hardness,
Vickers 800
Iridium
(Annealed)
Hardness,
Brinell 352 Converted from Vickers for 3000 kg load/10 mm ball
Brinell
test
Hardness,
Rockwell A 69
Hardness,
Rockwell C 37
Hardness,
Vickers 370
Tensile
Strength, Ultimate 1000 MPa
Modulus
of Elasticity 524 GPa
Poisson's
Ratio 0,26
Shear
Modulus 232 GPa Calculated
Iridium
(Cold-Drawn)
Hardness,
Brinell 565 Converted from Vickers for 3000 kg load/10 mm ball
Brinell
test
Hardness,
Rockwell A 80
Hardness,
Rockwell C 56
Hardness,
Vickers 650
Tensile
Strength, Ultimate 2000 MPa
Platinum
(CP Grade, Annealed)
Hardness,
Vickers 40
Tensile
Strength, Ultimate 125–165 MPa
Elongation
at Break 35% in 50 mm
Modulus
of Elasticity 171 GPa static in tension
Poisson's
Ratio 0,39
Shear
Modulus 62 GPa Calculated value
Platinum
(CP Grade, Hard Drawn–50%
Cold Worked)
Hardness,
Knoop 103 Estimated from Vickers,
Hardness,
Rockwell B 49 Estimated from Vickers,
Hardness,
Vickers 90
Tensile
Strength, Ultimate 205–240 MPa
Elongation
at Break 1–3% in 50 mm
Modulus
of Elasticity 156 GPa static in tension
Shear
Modulus 56 GPa Calculated value
Platinum
(Thermocouple Quality, Annealed)
Tensile
Strength, Ultimate 143 MPa
Gold
Hardness,
Vickers 25
Tensile
Strength, Ultimate 120 MPa Annealed
Elongation
at Break 30%
Modulus
of Elasticity 77,2 GPa 60% Cold Worked
Poisson's
Ratio 0,42
Shear
Modulus 32 GPa 60% Cold Worked; Calculated Value
Thallium
Hardness,
Brinell 2
Hardness,
Vickers 2
Tensile
Strength, Ultimate 7,5 MPa
Elongation
at Break 40% in 125 mm
Lead
Hardness,
Brinell 4,2
Cast
Hardness,
Vickers 5
Tensile
Strength, Ultimate 18 MPa
Modulus
of Elasticity 14 GPa
Poisson's
Ratio 0,42
Bismuth
Hardness,
Brinell 7
Modulus
of Elasticity 31,7 GPa
Poisson's
Ratio 0,33
Shear
Modulus 14 GPa Calculated
Thorium
Hardness,
Vickers 35–114
References report a wide range of values
Tensile
Strength, Ultimate 200 MPa
Tensile
Strength, Yield 144 MPa 0,2% offset
Elongation
at Break 34%
Modulus
of Elasticity 73,1 GPa
Compressive
Yield Strength 200 MPa Approximately equal to tensile
Bulk
Modulus 57,7 GPa
Poisson's
Ratio 0,27
Fatigue
Strength 97 MPa reversed bend test endurance limit
Shear
Modulus 28 GPa
Protactinium
Bulk
Modulus 157 GPa
Uranium
(Cast)
Hardness,
Brinell 185 Converted from Vickers for 3000 kg load/10 mm ball
Brinell
test Unspecified heat treatment
Hardness,
Rockwell A 55 Unspecified heat treatment
Hardness,
Rockwell B 90 Unspecified heat treatment
Hardness,
Rockwell C 10 Unspecified heat treatment
Hardness,
Vickers 190 Unspecified heat treatment
Tensile
Strength, Ultimate 400 MPa
Tensile
Strength, Yield 200 MPa
Elongation
at Break 4%
Modulus
of Elasticity 190 GPa
Poisson's
Ratio 0,22
Shear
Modulus 86 GPa Calculated
Uranium
(Beta-Annealed)
Tensile
Strength, Ultimate 615 MPa
Uranium
(Wrought Α
Phase)
Tensile
Strength, Ultimate 1150 MPa
Tensile
Strength, Yield 740 MPa
Elongation
at Break 14%
Neptunium
Hardness,
Vickers 346
Bulk
Modulus 118 GPa
Shear
Modulus 80 GPa
Plutonium
Hardness,
Brinell 242 Converted from Vickers for 3000 kg load/10 mm ball
Brinell
test
Hardness,
Rockwell A 62
Hardness,
Rockwell C 22
Hardness,
Vickers 250
Tensile
Strength, Ultimate 400 MPa Cast α
Tensile
Strength, Yield 275 MPa Cast α
Elongation
at Break 0,2–0,5% Cast α
Modulus
of Elasticity 96,5 GPa Cast
Compressive
Yield Strength 415 MPa
Ultimate
Compressive Strength 830 MPa
Poisson's
Ratio 0,15–0,21
Fatigue
Strength 90 MPa 100,000,000 cycles, rotating beam
Shear
Modulus 45 GPa
Americium
Bulk
Modulus 45 GPa
Curium
Bulk
Modulus 37 GPa
Berkelium
Bulk
Modulus 52 GPa
Californium
Bulk
Modulus 50 GPa
Einsteinium
Bulk
Modulus 15 GPa Estimated
Fermium
Bulk
Modulus 15 GPa Estimated
Mineral
Hardness (by Mohs) from
Г.
В.
Самсонов.
Справочник
"Свойства
элементов".В
2 т. Москва, 1976 г.
|
Symbol
|
Mohs
HM
|
|
Li
|
0,6
|
|
Be
|
5,5
|
|
B
|
9,3
|
|
Diamond
(С)
|
10
|
|
Na
|
0,5
|
|
Mg
|
2,5
|
|
Al
|
2,75
|
|
Si
|
6,5
|
|
S
|
2
|
|
K
|
0,4
|
|
Ca
|
1,75
|
|
Ti
|
6
|
|
V
|
7
|
|
Cr
|
8,5
|
|
Symbol
|
Mohs
HM
|
|
Mn
|
6
|
|
Fe
|
4
|
|
Co
|
5
|
|
Ni
|
4
|
|
Cu
|
3
|
|
Zn
|
2,5
|
|
Ga
|
1,5
|
|
Ge
|
6
|
|
As
|
3,5
|
|
Se
|
2
|
|
Rb
|
0,3
|
|
Sr
|
1,5
|
|
Zr
|
5
|
|
Nb
|
6
|
|
Mo
|
5,5
|
|
Ru
|
6,5
|
|
Rh
|
6
|
|
Pd
|
4,75
|
|
Ag
|
2,5
|
|
Cd
|
2
|
|
In
|
1,2
|
|
Sn
|
1,5
|
|
Sb
|
3
|
|
Te
|
2,25
|
|
Cs
|
0,2
|
|
Ba
|
1,25
|
|
La
|
2,5
|
|
Ce
|
2,5
|
|
Hf
|
5,5
|
|
Ta
|
6,5
|
|
W
|
7,5
|
|
Re
|
7
|
|
Os
|
7
|
|
Ir
|
6,5
|
|
Pt
|
3,5
|
|
Au
|
2,5
|
|
Tl
|
1,2
|
|
Pb
|
1,5
|
|
Bi
|
2,25
|
|
Th
|
3
|
|
U
|
6
|
7