Mechanical Properties
 (rev. 092104)
PDF (printable) File

Ultracor® was developed for exacting space requirements using a space qualified toughened, cyanate matrix resin.

Ultracor Features:

  • Low Density

  • Design Flexibility (customized to your requirements)

  • Low CTE, CME

  • High Thermal Conductivity

 

Average Mechanical Properties on various Ultracor configurations follows:
Note: Properties based on 0.5" thickness core.

Ultracor Product Code Construction
Materials		 Compressive
(ASTM C365)		 Plate Shear
(ASTM C273)
        L-Direction W-Direction
materials-cell-density   Strength
psi
(MPa)		 Modulus
ksi
(MPa)		 Strength
psi
(MPa)		 Modulus
ksi
(MPa)		 Strength
psi
(MPa)		 Modulus
ksi
(MPa)


Carbon
UCF-145-3/8-0.8 ±30° YSH70A 37
(0.26)		 9.3
(64)		 25
(0.17)		 19
(131)		 - -
UCF-51-3/8-2.0

±45° XN50

 154
(1.06)		 17
(117)		 110 
(0.76)		 55
(379)		 57 
(0.40)		 25 
(172)

UCF-126-3/8-2.0		 ±45° YSH50A 173
(1.19)		 17
(117)		 151
(1.04)		 40
(276)		 85
(0.59)		 24
(165)
UCF-102-3/8-3.0
 (actual density: 2.6 pcf)		 ±45°/0° XN50 308
(2.12)		 41
(283)		 - - - -
UCF-83-1/4-3.0 ±45° XN50 246 
(1.70)		 27
(186)		 223
(1.54)		 61 
(421)		 123 
(0.85)

31 
(214)

UCF-169-1/4-3.0		 ±45° YSH70 228
(1.57)		 30
(207)		 230
(1.59)		 75
(517)		 130
(0.90)		 37
(255)

UCF-121-1/4-3.0		 Triax T300 392
(2.70)		 47
(324)		 301
(2.08)		 27
(186)		 - -
UCF-100-1/4-3.5 ±45° T800 624
(4.30)		 35.1
(202)		 558
(3.85)		 63
(434)		 - -
UCF-119-3/16-3.5 ±45° M46J 607
(4.19)		 61
(421)		 439
(3.03)		 89
(614)		 241
(1.66)		 53
(365)
UCF-156-1/4-3.5 ±45° M60J 262
(1.81)		 32
(221)		 247
(1.70)		 65
(448)		 129
(0.89)		 34
(234)

UCF-355-3/8-3.5		 ±45° T300 610 
(4.21)		 44
(303)		 560 
(3.86)		 59 
(407)		 265 
(1.83)		 27.9 
(192)

UCF-172-3/16-3.5		 ±45° M46J 512
(3.53)		 54
(372)		 321
(2.21)		 91
(626)		 199
(1.37)		 49
(337)
UCF-78-3/8-4.0 0/60/120 TRIAX 284 
(1.96)

-

 215 
(1.48)		 21 
(145)		 122 
(0.84)		 9.5 
(66)
UCF-106-1/4-4.0 ±45/0 XN50/Zebra 458 
(3.16)		 47.6 
(328)		 317 
(2.19)		 109 
(752)		 184 
(1.27)		 36.6 
(252)
UCF-69-3/8-5.0 ±45/0 YSHC-30S 925 
(6.38)

121
(834)

 550 
(3.79)		 103 
(710)		 380 
(2.62)		 65 
(448)

UCF-101-1/4-7.0		 ±45° T800 1869
(12.88)		 102
(703)		 1500
(10.34)		 129
(889)		 - -
UCF-137-3/8-10 ±45° K13C2U - - - 460 
(3172)		 - 221 
(1524)
UCF-159-3/16-11
 (actual density: 9.7 pcf)		 ±45° T300-3K 1785
(12.31)		 91
(628)		 - 125
(862)		 - 64
(441)


Carbon/Carbon

UCC-3173-3/8-2.0		 ±45° Pitch 140
(0.97)		 28
(193)		 148
(1.02)		 53
(365)		 - -
UCC-2158-3/16-10 ±45° PAN 1393
(9.60)		 157
(1082)		 1025
(7.07)		 225
(1551)		 610
(4.21)		 103
(710)


Kevlar®
UKF-85-1/4-1.5

±45° K49 108

 31
(0.214)		 1.2 
(8)		 38 
(0.262)		 4 
(28)		 - -

UKF-163-1/4-2.1		 ±45° K49 120 141
(0.972)		 13.1
(90.3)		 121
(0.834)		 24.2
(167)		 60
(0.41)		 13.5
(93)

UKF-171-1/4-2.1		 ±45° LMR K49 120 162
(1.12)		 14.1
(97.2)		 125
(0.862)		 19.7
(136)		 68
(0.47)		 8.3
(57)


Quartz
UQF-110-3/8-2.0 ±45° Quartz 525 157 
(1.08)		 8.58 
(59)		 145 
(1.00)		 16.4 
(113)		 79 
(0.55)		 8.4 
(58)

UQF-105-1/4-3.0		 ±45° Quartz 252
(1.74)		 25.1
(173)		 175
(1.207)		 23.2
(160)		 94
(0.65)		 11.9
(82)


PBO

UPF-165-1/4-2.5		 ±45° PBO HM 165
(1.14)		 12.2
(84)		 115
(0.793)		 24.9
(172)		 65
(0.45)		 11.8
(81)

Some useful Thermal Properties follows:

Result of Testing
Honeycomb Sandwich Panel
0.010" XN70/RS-3 Facesheets†; 1.00", 2.0 pcf, 3/8-XN50 Core; 0.012" AF-191K film adhesives

1. CTE (Coefficient of Thermal Expansion)
Apparatus: TMA (Thermal Mechanical Analysis) Type Thermal
Expansion Meter (Sinku-Riko, Inc.: TM-7000, at National Aerospace Laboratory)
2. Temperature Range: 30°C - 110°C
3. Atmosphere: In 0.1 atm He gas
4. Heating Rate: 3°C/min

CTE of Honeycomb Sandwich Sandwich Panel
CTE x 10-6/°C

 

 

Sample A (Reticulated)

Sample B (Unreticulated)

Direction

1st Run

2nd Run

1st Run

2nd Run

T

2.91

--

4.54

4.97

L

-0.01

--

0.17

0.26

W

-0.09

-0.01

0.50

0.40

† [0/+45/-45/90]s

Nippon Oil Co., Ltd
Central Technical Research Laboratory

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