A presentation by Sylvain Delalande JEC, March, 31 st , 2011
A presentation by Sylvain Delalande
JEC, March, 31st, 2011
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Hexcel Product Key Input
Carbon Fiber Acrylonitrile
ReinforcementsGlass FiberCarbon Fiber
Carbon PrepregsCarbon FibersResins
Hexcel – Leader in Advanced Composites
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Co
mp
EP
Seg
Glass and Other PrepregsGlass FibersAramid FibersResins
HoneycombAramid PaperAluminum Foil
Engineered ProductsHoneycombPrepregsAdhesives
Broad Range of Composite Materials and Applications
Hexcel – Markets
SpaceCommercial Military
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Automotive Marine RecreationWind Energy
He Pl M77 a ne prepreg era
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HexPly M77 – a new prepreg era
M77 – Your Benefits
Extra fastcuring system High Tg
Long ShelfLife
Extra fastcuring system2 min @150°C
High Tg130°C
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AdhesionProperties
REACHConform
An unmatched property mix!
M77 – Your Benefits
Long Shelf LifeExtra fastcuring system2 min @150°C
High Tg130°C
Extra fastcuring system
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REACHConform
AdhesionProperties
An unmatched property mix!
M77 resin – ski industry
Requests:
�Short cycle times – long shelf life
�Good bonding properties with metal
�Higher viscosity vs existing matrix
12
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2
3
4
5
6
7
8
1 CAP Folie2 HexPly M77*3 PUR-core*4 HexPly M77*5 wood core6 HexPly M77*7 PE running surface8 Steeledge
M77 = lean manufacturing
M77 resin – biggest benefits for ski industry
110
120
130
140
150
160
M77 process vs. former typical prepreg system
new M77
former system
Reduction of set uptemp. by 10°C
�Traditionally short cycle system implies 1 to 5 days shelf life
�Shorter process cycle than former typical prepreg
0
10
20
30
40
50
60
70
80
90
100
0 6 12 18 24 30 36 42 48 54 60 66 72 78 84
Pre
pre
gT
emp.
time x10= sec
Nearly 20% cycletime reduction
Demoulding athigher temperature
M77 ~ 25% higher output, ~ 5% lower energy costs
M77 resin : process adapted for automotive parts
demouldin hot conditions
control flow
short cure cycle:2 min at 150°C or 1
min 30 at 160°C
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control floweven under highpressure (up to100 bars) giving
suitable withstandard
compression tools
No fridge
Long shelf life(6 weeks at 23°C).
M77 adapted for high production rate
M77 resin : process adapted for automotive parts
30
40
110
130
150
(bar
)
re(°
C)
M77 cure cycle for 3mm thick part
�Typical cure cycle
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0
10
20
30
50
70
90
110
0 60 120 180
Pre
ssu
re
Tem
pér
atu
r
time (s)
bottom mould surfacetempérature
middle of part temperature
pressure
Mould closing (10’’) Mould opening andpart ejection(10’’)
M77 adapted for high production rate
Mechanical performance on M77 prepreg
150 gsm unidirectional carbon tape200gsm twill 2X2 3k carbon fabric
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0
20
40
60
80
100
Tim
e(m
in)
cure time (min)
typical prepreg resinfor structuralautomotive part
M7798% shorter
High mechanical performance obtainedwith shorter cure cycle
Electrocoating treatment simulation
2,5
3
3,5
flexural Modulus at 200°C (Gpa)
�Simulate electrocoating treatment by measuring the flexuralModulus at 200°C
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0
0,5
1
1,5
2
SMC M77
Good residual stiffness at 200°C
M77 potential for automotive parts
300,0
400,0
500,0
600,0
700,0
flexural strength (Mpa)
15 0
20,0
25,0
30,0
35,0
flexural Modulus (Gpa)
- 6 %- 6%
�Mechanical performance after typical electrocoating treatment(30min at 200°C)
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0,0
100,0
200,0
SMC SMC after30' AT 200°C
M77 M77 after 30' at 200°C
0,0
5,0
10,0
15,0
SMC SMC after 30' at 200°CM77 M77 after 30' at 200°C
- 21% - 12%
Low influence of electrocoating treatmenton mechanical performance
M77 resin : potential for automotive parts
Short timecycle
Goodmechanicalproperties
M77
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Reachconform
Long shelflife
M77
A unique system for high production rates
Contacts
� Marketing: Sylvain Delalande: [email protected]
Franz Groetzmeier: Franz.groetzmeier.com
� Technical support: Nicolas Mercier: [email protected]
Birgit Wenidoppler: [email protected]
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g pp g pp
Thank You
Questions?
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Questions?