fire retardant composite materials and manufacturing ... · fire retardant composite materials and...
TRANSCRIPT
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Fire retardant Composite Materials and Manufacturing Technologies for Railway and Mass Transit: Experiences and advanced Concepts meeting EN 45545, GOST… MODERN TRENDS OF FIRE PROTECTION IN ROLLING STOCK, CIK, WARSOW 2014 P. Wartenweiler, BU Manager Composites
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Fire retardant Composite Materials and Manufacturing Technologies for Railway and Mass Transit: Experiences and advanced Concepts meeting EN 45545, GOST…
1) Introduction 2) Manufacturing Technologies for Railway and M.T. 3) Composite Materials for Railway and Mass Transit 4) Experiences and advanced Concepts meeting EN 45545 5) Outlook
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Typical Inside Applications
• Ceilings • Internal doors • Walls • Window frames • Luggage racks • Seats and tables • Driver descs • Toilet cabins •…
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Typical Outside Applications
• Front • Boogie protection •…
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Introduction
Making high quality fire resistant, low smoke and low tox. Composites
• Manufacturing processes typically used in other markets (e.g marine) are not
always applicable
• FST (Flame, Smoke, Tox.) materials are normally highly filled materials…
• Great manufacturing differences between countries/factories
• EN 45545-2 requires higher performing materials
• Developments are ongoing, hurdles are taken…
• (Focus of presentation on closed mould applications)
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Fire retardant Composite Materials and Manufacturing Technologies for Railway and Mass Transit: Experiences and advanced Concepts meeting EN 45545, GOST…
1) Introduction 2) Manufacturing Technologies for Railway and M.T. 3) Composite Materials for Railway and Mass Transit 4) Experiences and advanced Concepts meeting EN 45545 5) Outlook
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Manufacturing Technologies for Railway and M.T.
Hand Laminating
Low investment, labour intensive
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Closed Mould Processes
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Manufacturing Technologies for Railway and M.T. Vacuum Infusion
(Fronts of Trains, lighter than made by HL)
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Manufacturing Technologies for Railway and M.T. Resin Transfer Moulding Light (RTMlight)
3AC
normally smaller parts: not yet fully mastered if no core for flow tunnels
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Manufacturing Technologies for Railway and M.T.
Resin Transfer Moulding (RTM)
Process Cleaning / Release Agent: 10 Min. Gelcoat Application / drying up to 5 Layers 580g/m2: 20 Min. Injection time: 5 Min. Curing 50 DC: 25 Min. Demolding: 5 Min. Total: about 1h
RTM Production von Wagon Window Frames
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Fire retardant Composite Materials and Manufacturing Technologies for Railway and Mass Transit: Experiences and advanced Concepts meeting EN 45545, GOST…
1) Introduction 2) Manufacturing Technologies for Railway and M.T. 3) Composite Materials for Railway and Mass Transit 4) Experiences and advanced concepts meeting EN 45545 5) Outlook
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Composite Materials for Railway and Mass Transit
Making quality fire resistant, low smoke and low tox. Composites
1) Coating/Primer… or colored Gelcoats
2) Flame retardant Gelcoat
3) Flame retardant (UP) Resins
4) Suitable Reinforcement materials (Glass, CF..)
5) (Suitable Core Materials (PET)
FR-Mechanism:
Halogens and Antimony
Inorganic Hydroxides eg. ATH
Intumescent Systems
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Resin must have sufficient low viscosity / good wetting properties
Resins -“Common” not halogenated ATH filled resins do not full fill the highest requirements - or are too high viscous for modern/closed processing methods
Challenge: Problems with highly filled halogen-free UP Resins
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Resin has sufficient low viscosity / wetting properties
Mäder Solution “Giralyse” to have lower viscosity/faster wetting:
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Mäder in Railway
• Paints for Rollingstocks
• Paints for buildings
• Composites
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Turnover
MÄDER is the European leader in Railways coatings.
Mäder in Railway
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Mäder in Railway, References Regional Trains
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Mäder in Railway, References Tramways
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Composites with Mäder Gel Coat and Resins pass GOST Nuvopol Gel Coat 80-60 TGP (A) Giralithe SOMA 1106 XP
Front / Trimings & Ins. Parts of Foxtrot Warsow, PESA
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(Painted) Composites with Mäder Gel Coat and Resins pass EN 45545-2 HL 2 (R 1, R 17) Nuvopol Gel Coat 37-05 TGP (Intumescent) Giralithe Ditra GL 2109-10 XP
Front / Trimings & Inside Parts FLEXITY II De Lijn, Bombardier
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(Painted) Composites with Mäder Gel Coat and Resins pass EN 45545-2 HL 2 (R 1, R 17) Nuvopol Gel Coat 37-05 TGP (Intumescent) Giralithe Ditra GL 2109-10 XP
Driver Cabin Parts TRAXX, Bombardier
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(Painted) Composites with Mäder Gel Coat and Resins pass EN 45545-2 HL 2 (R 1, R 17) Nuvopol Gel Coat 37-05 TGP (Intumescent) Giralithe Ditra GL 2109-10 XP
15 Driver Cabin Parts, GE
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Fire retardant Composite Materials and Manufacturing Technologies for Railway and Mass Transit: Experiences and advanced Concepts meeting EN 45545, GOST…
1) Introduction 2) Manufacturing Technologies for Railway and M.T. 3) Composite Materials for Railway and Mass Transit 4) Experiences and advanced concepts meeting EN 45545 5) Outlook
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Experiences / Challenges of EN 45545
EN 45545 requires more advanced materials to: 1) pass more stringent tests 2) be processable (higly filled resins, other resins) 3) coating even more important
GRPs according to EN 45545 will be more expensive:
1) new gelcoat technology, other core materials 2) processing
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Mäder develops and produces full Systems
Coating Resins
Gelcoats
Primers
…
Resin + Gelcoat + Primer + Top Coat = System Package must pass the Fire and Smoke Tests
Tests with Material and Components in End-use Condition!
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Experiences / EN 45545 requires intumescent Gelcoat (Nuvopol 37-05)
High fire protection trough intumescent effect:
Intumescence = swelling, foaming of a carbon rich foam layer
has a heat insulating effect
reduces further oxygen access
reduces fuel transport into the flame
prevents dripping
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Mäder Intumescent Gelcoat Nuvopol 37-05
High fire protection trough intumescent effect:
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Fire Retardant Gelcoats, Important Points
Intumescent Gelcoats (New NORM EN 45545)
Not every intumescent gel coat is resistend to humidity / only for inside
Intumescend gel coats are much more expensive
Depending from supplier thickness up to 0.8 -1 mm, processing?
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25 kW/m² with Pilot Flame or 50 kW/m². Samples: (75 * 75 * ≤ 25) mm
Smoke sampling for Toxicity
Smoke det. after 4 til 8 min.
Max. Value from the 2
Samples
Difficult to pass: T02 - DIN EN ISO 5659-2 Smoke Test
Determination of optical density by a single-chamber test
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T02 - DIN EN ISO 5659-2 Smoke Generation
Inside R1: DS4 Outside R17 DS max !
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Toxic Gases
Smoke Density
VOF4
Smoke Density
DS 4
Heat Release
Spread of Flame
20
60 90
150 600 1200
300 600 900
0.75 0.9 1.2
NUVOPOL Gelcoat 37-03 int. on
GIRALITHE DITRA 2109-10XP
HL 3
300
Coatings Influence flammability and smoke development
HL3 HL2 HL1
HL 3 System with Gelcoat and Resin……..
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HL 3 Toxic Gases
Smoke Density
VOF4
Smoke Density
DS 4
Heat Release
Spread of Flame
20
60
150 600 1200
300 600 600
0.75 0.9 1.2
HL 2
CEN TS 45545 Performance with / without Coating
HL3 HL2 HL1
…becomes a HL2 System when painted
NUVOPOL Gelcoat 37-03 int. on
GIRALITHE DITRA 2109-10XP
NUVOVERN AQUA Primer + Topcoat
300
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Points re Closed Mould Processes
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EN 45545 Hand Laminating Process is managed
Opposite to hand laminated parts several points have to be considered
1) production strategy
2) resin has sufficient low viscosity / wetting properties
3) used glass products
4) used core materials
5) Requirements depend of part (eg.Inside or outside use (R1 or R17 !))
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Closed Mould Basics
Influence of Glass Permeability
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Closed Mould Basics „ 100% „ Glass Solutions needed
Standard Core Materials with PP flow media fail Flame Test
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Closed Mould Basics „ 100% „ Glass Solutions needed
Specialist / 100% Core Materials pass Flame Test
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Basic Strategies for Leight weight Composites
by design/concept
FST gelcoat / none fire retardant resin
use sandwich constructions… Beam Effect for stiffness
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Basic Strategies for Light weight Composites
Mäder approach 1) CORK Sandwich Concept for Railway Composites, meeting EN 45545 HL2 (R1)
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Current concept achieves a weight reduction of 35%
Ecotrain Sidewall
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Mäder High Strength (HS) Concept, also for large Parts up to 70% Glass Fiber High flow FST resin NUVOCRYL FR 60-60 G
passes M1, EN 45545 HL 2 R1, R6, R17, painted Scrimp Infusion Technologie
eg. for
Production of Fronts
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Vacuum Infusion / RTM assisted
Production of light weight Train Fronts
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Innovative Composite Materials and Manufacturing Concepts for Railway, Mass Transport…
- Innovative, easy to process Resins for closed Mould Process
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Innovative Composite Materials and Manufacturing Concepts for Railway, Mass Transport…
- Innovative, easy to process Resins for closed Mould Process
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Case 2: Placing the high permeability flow medium OUTSIDE the laminate stack to be infused (Scrimp Techn. pat.)
Basics Infusion
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Without Net External Flow ROVIFLOW
Basics Infusion
Source:Chomarat
Flow tests
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Basics Infusion: Princip
Why use the infusion process?
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Comparison hand laminat versus Infusion of Train Front CASE 1: 10 sqm, single skin, 3.6 mm
Mäder High Strength (HS) Concept, also for large parts
Hand lay up Infusion
Weight/m2 Weight/m2
kg kg
Gelcoat 0.80 0.80
Lam. Glas 1.50 24% / 27% 1.50 51% / 70% Resin 4.00 0.65 Total / m2 6.30 2.95 Total Front 63 kg 30 kg 50%
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Mäder High Strength (HS) Concept, also for large parts up to 70% Glass Fiber High flow FST resin NUVOCRYL FR 60-60G
passes M1 Q= 0, EN 45545 HL 2 R1, R6, R17, painted Infusion Technologie
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WHAT ADVANTAGES WITH MINERAL COMPOSITES?
New material which combines the flexibility in design of resins with the properties of a ceramic. Ideal matrix for incombustible fibre reinforced composites.
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Fire retardant Composite Materials and Manufacturing Technologies for Railway and Mass Transit: Experiences and advanced Concepts meeting EN 45545, GOST…
1) Introduction 2) Composite Materials for Railway and Mass Transit 3) Manufacturing Technologies for Railway and M.T. 4) Experiences and advanced concepts meeting EN 45545 5) Outlook
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Carbon Fiber Market Development
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Carbon Fiber Applications: Cars
BMW i 3
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Pultruded curved Profiles
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Roboter assisted UV Curing Systems
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Roboter assisted UV Curing Systems
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Roboter assisted UV Curing Systems
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Roboter assisted Tape Placement
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Fire retardant Composite Materials and Manufacturing Technologies for Railway and Mass Transit: Experiences and advanced Concepts meeting EN 45545, GOST…
• The new EN45545-2 norm requires more expensive, more difficult-to-process materials.
• The project pre-study should be as early as possible (Process, R-Level) • RTM light: The choice of glass product core materials and the coating is vital for
successful production and passing the tests. • Technologies are there, better ones will follow
• As with other FST requirements certain working principals apply
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Summary / Checklist
Technologies and materials are some what more complex, but available, make following points sure :
Material Concept meets Norm Requirements
Materials meet Production Concept / Requirements
Handling of Resins and Gel Coats
Production / Processing
Post Curing
Coating …
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Paul Wartenweiler BU Manager Composites Walter Mäder AG
COMPOSITES 8956 Killwangen, Switzerland [email protected] www.madercomposites.com W. LEWANDOWSKI
UNIMARKET POZNAŃ [email protected]
www.unimarketkompozyty.pl
More Informations
INNOTRANS / Berlin 23-26 September Mäder Coating and
Composites Solutions
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Mäder Customer training (new) FST Technologies – Infusion, RTM – Structural – Processing Methods to assure constant quality
Vacuum Infusion
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Innovative Composite Materials and Manufacturing Concepts for Railway, Mass Transport… … and a dedicated team to assist you with your projects European Service Centers in Switzerland and France
Jürg Bützer Michel Osterwalder Senior Tech. Sales R&D Manager
Paul Wartenweiler BU Manager Composites
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Thank you