constituents - matrix · aircraft composite structure repair constituents ... repair introduction...
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AIRCRAFT COMPOSITE STRUCTURE REPAIR
Constituents - Matrix
Introduction to Composite Materials 1 ATA 51 - Aircraft Composite Repair
AIRCRAFT COMPOSITE STRUCTURE REPAIR AIRCRAFT COMPOSITE STRUCTURE REPAIR
• Purpose
– Support and bind fiber together
ATA 51 - Aircraft Composite Repair
Introduction to Composite Materials 2
Constituents - Matrix
Operating Temperature
Load Transfer Keep part geometry Environment resistance
Toughness properties Fire smoke & Toxicity Properties
Keep fiber orientation/ position
AIRCRAFT COMPOSITE STRUCTURE REPAIR AIRCRAFT COMPOSITE STRUCTURE REPAIR
• Known as resin/ matrix/ adhesives
• Good Fiber to resin ratio – 60:40
• Thermoplastics and thermosetting resin
ATA 51 - Aircraft Composite Repair
Introduction to Composite Materials 3
Constituents - Matrix
AIRCRAFT COMPOSITE STRUCTURE REPAIR AIRCRAFT COMPOSITE STRUCTURE REPAIR
ATA 51 - Aircraft Composite Repair
Introduction to Composite Materials 4
Binding Agent
Thermoplastic
Shape changes when heat is applied
Amorphous , semicrystalline, PEEK
etc.
AIRCRAFT COMPOSITE STRUCTURE REPAIR AIRCRAFT COMPOSITE STRUCTURE REPAIR
ATA 51 - Aircraft Composite Repair
Introduction to Composite Materials 5
Binding Agent
Thermosetting
Shape gains stability after cured although
heat is applied
Epoxy, Polyester, Vinyl Ester, Phenolic, BMI etc.
AIRCRAFT COMPOSITE STRUCTURE REPAIR AIRCRAFT COMPOSITE STRUCTURE REPAIR
ATA 51 - Aircraft Composite Repair
Introduction to Composite Materials 6
• Matrix Properties
AIRCRAFT COMPOSITE STRUCTURE REPAIR AIRCRAFT COMPOSITE STRUCTURE REPAIR
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Introduction to Composite Materials 7
Manufactured Date
Shelf Life
End of Life Pot Life
Liquid State
Gel State
Gel Time
Solid State
Cured
A-Stage B-Stage
C-Stage
Matrix Properties
AIRCRAFT COMPOSITE STRUCTURE REPAIR AIRCRAFT COMPOSITE STRUCTURE REPAIR
ATA 51 - Aircraft Composite Repair
Introduction to Composite Materials 8
Matrix Properties Resol Resitol
Resite
AIRCRAFT COMPOSITE STRUCTURE REPAIR AIRCRAFT COMPOSITE STRUCTURE REPAIR
ATA 51 - Aircraft Composite Repair
Introduction to Composite Materials 9
Matrix Properties
AIRCRAFT COMPOSITE STRUCTURE REPAIR AIRCRAFT COMPOSITE STRUCTURE REPAIR
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Introduction to Composite Materials 10
Matrix Properties
Curing Temperature
High Temperature
Curing
3500C/ 1800C
2500F/ 1200C
Low Temperature Curing
1500F/ 800C
AIRCRAFT COMPOSITE STRUCTURE REPAIR AIRCRAFT COMPOSITE STRUCTURE REPAIR
ATA 51 - Aircraft Composite Repair
Introduction to Composite Materials 11
Matrix Properties
AIRCRAFT COMPOSITE STRUCTURE REPAIR AIRCRAFT COMPOSITE STRUCTURE REPAIR
ATA 51 - Aircraft Composite Repair
Introduction to Composite Materials 12
Matrix Properties
AIRCRAFT COMPOSITE STRUCTURE REPAIR AIRCRAFT COMPOSITE STRUCTURE REPAIR
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Introduction to Composite Materials 13
Binding Agent – Pre-preg Material
AIRCRAFT COMPOSITE STRUCTURE REPAIR AIRCRAFT COMPOSITE STRUCTURE REPAIR
Pre-preg properties
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Introduction to Composite Materials 14
AIRCRAFT COMPOSITE STRUCTURE REPAIR AIRCRAFT COMPOSITE STRUCTURE REPAIR
MANUFACTURER / CODE
MATERIAL NO. WEAVE FIBER AREAL WEIGHT g/m2 (oz/ft2)
STYLE DESIGNATION
RESIN CONTENT BY WEIGHT
RELATED ADHESIVE FILM CURING CYCLE <2> <4> <5> <6>
AIK / ENG-250-68-50
8H SATIN 293 (0.96)
7781 50 FM-73M.06 FM-737M.03<8> AF-163-2K.06 AF-163-2K.0ST <8>
90 minutes at 1250C (2600F) <3>
AIK / ENG-250-68-37 1581 37
HEXCEL / VICOTEX 1454/50/7581
7581 50 90 minutes at 1200C (2500F)
HEXCEL / VICOTEX 1454/50/7581
20-009A
4H SATIN 105 (0.34) 120 50
FM-73M.06 FM-737M.03<8> AF-163-2K.06 AF-163-2K.0ST <8>
90 minutes at 1250C (2600F) <7> CYTEC/ FIBERLITE
MXB 7701/ 120 (50%) 20-009
HEXCEL / F155-120 (50%)
4H SATIN 105 (0.34) 120
50
FM-73M.06 FM-737M.03<8> AF-163-2K.06 AF-163-2K.0ST <8>
90 minutes at 1250C (2600F)
AIK / ENG-250-44-55 55
FM-73M.06 FM-737M.03<8> AF-163-2K.06 AF-163-2K.0ST <8>
90 minutes at 1250C (2600F) <3>
HEXCEL / VICOTEX 1454/38/120
05-107B 0R 20-012B
4H SATIN 105 (0.34) 120 38
FM-73M.06 FM-737M.03<8> AF-163-2K.06 AF-163-2K.0ST <8>
90 minutes at 1250C (2600F) <7>
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Introduction to Composite Materials 15
Pre-preg properties Material example taken from AIRBUS CML (Consumables Material List)
AIRCRAFT COMPOSITE STRUCTURE REPAIR AIRCRAFT COMPOSITE STRUCTURE REPAIR
MANUFACTURER / CODE MATERIAL NO.
WEAVE FIBER AREAL WEIGHT g/m2 (oz/ft2)
RESIN CONTENT BY WEIGHT
RELATED ADHESIVE FILM
CURING CYCLE <2> <4> <5> <6>
HEXCEL / 913C-815-40
8H SATIN 370 (1.2) 50
REDUX 312/5 FM-73 AF163
90 minutes at 1200C (2500F)
HEXCEL / 913C-926-40 37
HEXCEL / 913C-833-45
5H SATIN 285 (0.9)
50
HEXCEL / 913C-933-45
50
HEXCEL / 913C-943-45
HEXCEL / VICOTEX 913 / 46% G814NT 05-091 PLAIN WEAVE
193 (0.6)
50 FM-73M.06 FM-737M.03 AF-163-2K.06 AF-163-2K.0ST CYTEC FIBERITE / CYCOM 919-39-3KHS-P-193 05-092
PLAIN WEAVE SATIN
55
913-TS-10-40 TAPE 262 (0.8) 38 REDUX 312/5 FM-73 AF163
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Introduction to Composite Materials 16
Pre-preg properties Material example taken from AIRBUS CML (Consumables Material List)
HEXCEL / VICOTEX 913 / 46% G814NT 05-091
CYTEC FIBERITE / CYCOM 919 - 39 - 3KHS - P - 193 05-092
Resin Type
Resin content in % weight
Carbon fabric type or weight per area
Filaments number in carbon fiber , 3K = (3 X 1000 filaments)
AIRCRAFT COMPOSITE STRUCTURE REPAIR AIRCRAFT COMPOSITE STRUCTURE REPAIR
MANUFACTURER / CODE
MATERIAL NO. WEAVE FIBER AREAL WEIGHT g/m2 (oz/ft2)
STYLE DESIGNATION
RESIN CONTENT BY WEIGHT
RELATED ADHESIVE FILM
CURING CYCLE <2> <4> <5> <6>
AIK / ENG-250-68-50
8H SATIN 293 (0.96)
7781 50 FM-73M.06 FM-737M.03<8> AF-163-2K.06 AF-163-2K.0ST <8>
90 minutes at 1250C (2600F) <3>
AIK / ENG-250-68-37
1581 37
HEXCEL / VICOTEX 1454/50/7581
7581 50 90 minutes at 1200C (2500F)
HEXCEL / VICOTEX 1454/50/7581
20-009A
4H SATIN 105 (0.34) 120 50
FM-73M.06 FM-737M.03<8> AF-163-2K.06 AF-163-2K.0ST <8>
90 minutes at 1250C (2600F) <7>
CYTEC/ FIBERLITE MXB 7701/ 120 (50%)
20-009
HEXCEL / F155-120 (50%)
4H SATIN 105 (0.34) 120
50
FM-73M.06 FM-737M.03<8> AF-163-2K.06 AF-163-2K.0ST <8>
90 minutes at 1250C (2600F)
AIK / ENG-250-44-55
55
FM-73M.06 FM-737M.03<8> AF-163-2K.06 AF-163-2K.0ST <8>
90 minutes at 1250C (2600F) <3>
HEXCEL / VICOTEX 1454/38/120
05-107B 0R 20-012B 4H SATIN 105 (0.34) 120 38
FM-73M.06 FM-737M.03<8> AF-163-2K.06 AF-163-2K.0ST <8>
90 minutes at 1250C (2600F) <7>
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Introduction to Composite Materials 17
Pre-preg properties Material example taken from AIRBUS CML (Consumables Material List)
AIRCRAFT COMPOSITE STRUCTURE REPAIR AIRCRAFT COMPOSITE STRUCTURE REPAIR
ATA 51 - Aircraft Composite Repair
Introduction to Composite Materials 18