钛合金8-11
化学成分
ELEMENT
WEIGHT %
Min.
Max.
Nominal
Aluminum
7.35
8.3
7.85
Vanadium
0.75
1.25
1.0
Iron
-
0.15
Molybdenum
Carbon
0.08
Nitrogen
0.05
Oxygen
0.06
0.12
0.85
Hydrogen
0.004
Residuals (each)
0.1
Residuals (total)
0.3
TABLE 2
物理性能
PROPERTY
VALUE
English
SI
Density
0.156 lb/in3
4.37 g/cm3
Beta Transus
1900 ± 30 °F
1040 ± 17 °C
Tensile Modulus
Duplex Annealed 1650 ° F /1hr /AC + 1100 ° F/ 24hr / AC
At 75° F
19 Msi
135 GPa
At 716 °F
16 Msi
113 GPa
Temperature,°F(°C)
Electrical Resistivity,
μΩ-cm
Conductivity λ, Btu.ft/h.ft2. °F
(W/m.K)
Coefficient of Thermal Expansion
10-6 in in-1°F-1
(x 10-6mm-1 °C-1)
75
(24)
198.6
3.46
(5.98)
200
(93)
201.3
3.94
(6.82)
Temp range 68-212°F: 4.7
(8.46)
400
(204)
202.7
4.76
(8.23)
Temp range 68-392°F: 4.9
(8.82)
600
(315)
201.2
5.64
(9.75)
Temp range 68-572°F: 5.0
(9.00)
800
(427)
201.1
6.48
(11.21)
Temp range 68-7522°F: 5.2
(9.36)
1000
(538)
203.4
7.23
(12.51)
Temp range 68-932°F: 5.4
(9.72)
1200
(649)
206.0
7.98
(13.80)
Temp range 68-1112°F: 6.0
(10.8)
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