一般材料热膨胀系数.docx
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一般材料热膨胀系数
可伐合金
Typicalcomposition[edit]
Givenirrweight%
Fe
Mi
Co
C
Si
Mrl
balance
29%
<001%
02%
□.3%
Properties[edit]
Property
sintered
HIPed
D-ersity/gcma
8.0
635
H^rdnes&/HV1
160
150
YoungsModulus/GPa
159
169
reductionufareaatfracture/%
30
30
yieldstrength/MPa
270
270
therrnalconducti/it//W/Km
17
CurieTemperature/eC
435
electncalresistivity0mm21m
0.49
specificheatJ/gK
046
thermalexpansioncoefficient<1D~sK_1(25-2D0aC)
5.5
(25-30D®
51
(25-40D®
4.9
(25-450®
5.3
(25-50DaC)
&2
*Calculatethermalexpansion
Thermalexpansioncoefficientsforsomecommonmaterialsareindicatedinthetable
below:
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Product
LinearTemperatureExpansion
Coefficient
-a-
(10-6m/mK)*)
(10-6in/inoF)*)
Product
LinearTemperatureExpansionCoefficient
-a-
(10-6m/mK)*)
(10-6in/inoF)*)
ABS(Acrylonitrilebutadienestyrene)thermoplastic
73.8
41
ABS-glassfiber-reinforced
30.4
17
Acetal
106.5
59.2
Acetal-glassfiber-reinforced
39.4
22
Acrylic,sheet,cast
81
45
Acrylic,extruded
234
130
Alumina
5.4
3.0
Aluminum
22.2
12.3
Antimony
10.4
5.8
Arsenic
4.7
2.6
Barium
20.6
11.4
Bariumferrite
10
5.6
Benzocyclobutene
42
23.3
Beryllium
11.5
6.4
Bismuth
13
7.3
Brass
18.7
10.4
Product
LinearTemperatureExpansionCoefficient
-a-
(10-6m/mK)*)
(10-6in/inoF)*)
Brickmasonry
5.5
3.1
Bronze
18.0
10.0
Cadmium
30
16.8
Calcium
22.3
12.4
CastIronGray
10.8
6.0
Celluloseacetate(CA)
130
72.2
Celluloseacetatebutynate(CAB)
96-171
80-95
Cellulosenitrate(CN)
100
55.6
Cement
10.0
6.0
Cerium
5.2
2.9
ChlorinatedpolyvinyIchloride(CPVC)
66.6
37
Chromium
6.2
3.4
Claytilestructure
5.9
3.3
Cobalt
12
6.7
Concrete
14.5
8.0
Concretestructure
9.8
5.5
Product
LinearTemperatureExpansionCoefficient
-a-
(10-6m/mK)*)
(10-6in/inoF)*)
Constantan
18.8
10.4
Copper
16.6
9.3
Copper,Beryllium25
17.8
9.9
Corundum,sintered
6.5
3.6
Cupronickel30%
16.2
9
Diamond(Carbon)
1.18
0.66
Duralumin
23
12.8
Dysprosium
9.9
5.5
Ebonite
76.6
42.8
Epoxy,castingsresins&compounds,unfilled
55
31
Erbium
12.2
6.8
Ethyleneethylacrylate(EEA)
205
113.9
Ethylenevinylacetate(EVA)
180
100
Europium
35
19.4
Fluoroethylenepropylene(FEP)
135
75
Gadolinium
9
5
Product
LinearTemperatureExpansionCoefficient
-a-
(10-6m/mK)*
(10-6in/inoF)*)
Germanium
6.1
3.4
Germansilver
18.4
10.2
Glass,hard
5.9
3.3
Glass,Pyrex
4.0
2.2
Glass,plate
9.0
5.0
Gold
14.2
8.2
Granite
7.9
4.4
Graphite,pure
2-6
1.1-3.4
Gunmetal
18
10
Hafnium
5.9
3.3
HardalloyK20
6
3.3
HastelloyC
11.3
6.3
Holmium
11.2
6.2
Ice,0oCwater
51
28.3
Inconel
12.6
7.0
Indium
33
18.3
Invar
1.5
0.8
Product
LinearTemperatureExpansionCoefficient
-a-
(10-6m/mK)*
(10-6in/inoF)*)
Iridium
6.4
3.6
Iron,pure
12.0
6.7
Iron,cast
10.4
5.9
Iron,forged
11.3
6.3
Kapton
20
11.1
Lanthanum
12.1
6.7
Lead
28.0
15.1
Limestone
8
4.4
Lithium
46
25.6
Lutetium
9.9
5.5
Macor
9.3
5.2
Magnesium
25
14
Manganese
22
12.3
Marble
5.5-14.1
3.1-7.9
Masonry
4.7-9.0
2.6-5.0
Mercury
61
33.9
Mica
3
1.7
Product
LinearTemperatureExpansionCoefficient
-a-
(10-6m/mK)*
(10-6in/inoF)*)
Molybdenum
5
2.8
Monel
13.5
7.5
Mortar
7.3-13.5
4.1-7.5
Neodymium
9.6
5.3
Nickel
13.0
7.2
Niobium(Columbium)
7
3.9
Nylon,generalpurpose
72
40
Nylon,Type11,moldingandextrudingcompound
100
55.6
Nylon,Type12,moldingandextrudingcompound
80.5
44.7
Nylon,Type6,cast
85
47.2
Nylon,Type6/6,moldingcompound
80
44.4
Oak,perpendiculartothegrain
54
30
Osmium
5
2.8
Palladium
11.8
6.6
Phenolicresinwithoutfillers
80
44.4
Phosphorbronze
16.7
9.3
Product
LinearTemperatureExpansionCoefficient
-a-
(10-6m/mK)*
(10-6in/inoF)*)
Plaster
16.4
9.2
Plastics
40-120
22-67
Platinum
9.0
5.0
Plutonium
54
30.2
Polyallomer
91.5
50.8
Polyamide(PA)
110
61.1
Polybutylene(PB)
130
72
Polycarbonate(PC)
70.2
39
Polycarbonate-glassfiber-reinforced
21.5
12
Polyester
123.5
69
Polyester-glassfiber-reinforced
25
14
Polyethylene(PE)
200
111
Polyethylene(PE)-HighMolecularWeight
108
60
Polyethyleneterephthalate(PET)
59.4
33
Polyphenylene-glassfiber-reinforced
35.8
20
Polypropylene(PP),unfilled
100-200
56-112
Product
LinearTemperatureExpansionCoefficient
-a-
(10-6m/mK)*
(10-6in/inoF)*)
Polypropylene-glassfiber-reinforced
32
18
Polystyrene(PS)
70
38.9
Polysulfone(PSO)
55.8
31
Polyurethane(PUR),rigid
57.6
32
Polyvinylchloride(PVC)
50.4
28
Polyvinylidenefluoride(PVDF)
127.8
71
Porcelain.Industrial
6.5
3.6
Potassium
83
46.1
Praseodymium
6.7
3.7
Promethium
11
6.1
Quartz
0.77-1.4
0.43-0.79
Rhenium
6.7
3.7
Rhodium
8
4.5
Rubber,hard
77
42.8
Ruthenium
9.1
5.1
Samarium
12.7
7.1
Product
LinearTemperatureExpansionCoefficient
-a-
(10-6m/mK)*)
(10-6in/inoF)*)
Sandstone
11.6
6.5
Sapphire
5.3
2.9
Scandium
10.2
5.7
Selenium
3.8
2.1
Silicon
3
1.7
SiliconCarbide
2.77
1.5
Silver
19.5
10.7
Sitall
0.15
0.08
Slate
10.4
5.8
Sodium
70
39.1
Solderlead-tin,50%-50%
24.0
13.4
Steatite
8.5
4.7
Steel
13.0
7.3
SteelStainlessAustenitic(304)
17.3
9.6
SteelStainlessAustenitic(310)
14.4
8.0
SteelStainlessAustenitic(316)
16.0
8.9
SteelStainlessFerritic(410)
9.9
5.5
Product
LinearTemperatureExpansionCoefficient
-a-
(10-6m/mK)*)
(10-6in/inoF)*)
Strontium
22.5
12.5
Tantalum
6.5
3.6
Tellurium
36.9
20.5
Terbium
10.3
5.7
Terne
11.6
6.5
Thallium
29.9
16.6
Thorium
12
6.7
Thulium
13.3
7.4
Tin
23.4
13.0
Titanium
8.6
4.8
Tungsten
4.3
2.4
Uranium
13.9
7.7
Vanadium
8
4.5
VinylEster
16-22
8.7-12
Wood,fir
3.7
2.1
Wood,paralleltograin
3
1.7
Wood,across(perpendicular)to
30
17
Product
LinearTemperatureExpansion
Coefficient
-a-
(10-6m/mK)*
(10-6in/in°F)*)
grain
Wood,pine
5
2.8
Ytterbium
26.3
14.6
Yttrium
10.6
5.9
Zinc
29.7
16.5
Zirconium
5.7
3.2