Mechanical Properties

Material CTE(PPM/0C) TC(W/M0K) ensity(GM/CC)
CuW/15-85 7.0 180 16.40
Alumina 6.9 25 3.61
AISiC 6.7 180 3.00
CuMo/15-85 6.6 184 10.00
Silvar-K™ 7.0 110 8.80
CuW/10-90 6.5 209 17.00
GaAs IC 6.5 44 5.33
BeO 6.4 250 2.78
Kovar™ 5.9 14 8.42
Molybdenum 5.1 5.1 10.25



Electrical Properties

Electrical
Molded Ceramic Walls: 2-6 GHZ
50 OHMS: 18 GHZ

Dielectric Properties
Material Dielectric Properties Loss Tangent %1 MHz. 200C
7052 5.1 .1500
7070 4.1 .0600
"K" 5.0 .1500
96% ALUM. 9.0 .0001
AIN 8.6 .0005
BEO 6.7 .0012
Impedance of Common Seals
Hole Diameter Pin Diameter Impedance
.040 .018 22.0 OHMS
.042 .018 22.0 OHMS
.056 .018 22.0 OHMS
50 OHM Seals
PIN Diameter
Hole Diameter
7052 7070
.010/.011 .067 .057
.012 .076 .065
.015 .095 .081
.018 .114 .097
.020 .127 .108
Current Capacity *
Lead Diameter Amperes
.017 1.0
.20 1.5
.30 3.5
.40 5.5
.50 7.5
.60 11



Insulation Resistance

MIL-STD-883 D, Method 1003, Test Cond. E
Maximum Leakage 100 Nano Amperes
(10,000 Mega OHMs) at 500 Volts D.C.

Dielectric Withstanding Voltage

MIL-STD-202, Method 301
250 Volts A.C. for 60 Seconds


ASTM F-15 Alloy Properties

Chemical Composition %
Nickel 29 Nominal
Cobalt 17 Nominal
Manganese 0.05 Maximum
Silicon 0.20 Maximum
Carbon 0.06 Maximum
Iron Balance Maximum
Thermal Expansion Coefficient
30-4000C (86-7520F) 4.60 to 5.20 x 10-6cm/cm/0C 2.6 to 2.9 x 10-6in/in/0F
30-4500C (86-8420F) 5.10 to 5.50 x 10-6cm/cm/0C 2.8 to 3.1 x 10-6in/in/0F
Physical Properties
Density 8.35 gm/cc 0.302 lb/cu.in.
Melting Point 14500C 26420
Thermal Conductivity
at 300C (860F) 0.0395 gm cal./sq.cm/sec/0C/cm 0.0318 BTU/sq.ft./0F/in.
at 3000C (6320F) 0.0485 gm cal./sq.cm/sec/0C/cm /sec/0C/cm 0.0391 BTU/sq.ft./0F/in.
Electrical Resistivity
at 200C (680F) 49 microhm/sq.cm/cm 294 ohm/cir.mil./ft.
Core Temperature 4350C 8150F
Mechanical Properties
Tensile Strength 52.7 kg/sq.mm 75,000 psi
Yield Strength 0.2% offset 28.1 kg/sq.mm 40,000 psi
Elongation % in 2 in. (5.08cm) 30
Reduction of Area (%) 70
Modulus of Elasticity 14.1 x 103kg/sq.mm 20 x 106 psi
Hardness (Rockwell 15T) 81
Poisson's Ratio 0.30



Linear Thermal Expansion of F-15 Alloy and Hard Glass vs. Temperature



Corning 7052 Glass

Properties
Mechanical Metric English
Density 2.27 g/cm3 141.17 lb/ft3
Young's Modulus 5.76 x 103 kg/mm2 8.2 x 106psi
Poisson's Ratio 0.22
Shear Modulus 2.39 x 103 kg/mm2 3.4 x 106psi
Knoop Hardness (KHN100) 403
Viscosity
Mechanical Metric English
Working Pt.(104 Poises) 11280C 20620F
Softening Pt.(107.6 Poises) 7120C 13140F
Annealing Pt.(1013 Poises) 4840C 9030F
Strain Pt.(1014 Poises) 4400C 8240F
Thermal
Mechanical Metric English
C of E (0-3000C) 47.0 x 10-7/0C 26.1 x 10-7/0F
Log10Vol. Resistivity
@ 2500C 9.2 ohm-cm
@ 3500C 7.4 ohm-cm
Dielectric Constant
@ 200C;1 MHz 5.1