gf automotive ag carbon fiber: a thread or opportunity for lightweight...
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GF Automotive AG
Carbon Fiber:A thread or opportunity for Lightweight Castings
Klaus Decking
04/2015 | K. Decking
Georg Fischer
Corporation
� More than 210 years of history, founded in 1802
� Three core businesses, Piping Systems, Machining Solutions and Automotive
� 124 companies around the globe
� Sales of CHF 3.8 billion in 2013
� 14 000 employees
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Our diversified profile
37%CHF 1 415 million
24%CHF 905 million
39%CHF 1 476 million
GF Piping Systems GF Automotive GF Machining Solution s
Three times premium expertise and service to match our customers’ needs:
Total sales in 2014: CHF 3 795 million
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� Production of lightweight castcomponents and systems
� Made out of ductile iron, aluminumand magnesium in sand casting andhigh pressure die casting
� For the global automotive industryand other industrial applications
4 898 employees
10companies worldwide
1 415 million (CHF) sales
GF Automotive
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Figures for 2014
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GF Automotive
Casting or Carbon Composites?
Repair
Herstellung
Recycling Material Cycle
Lower Energy Consumption
Resistance
Costs
Production
Lighter
Corrosion Resistance
Repair
Recycling
CarbonIron
Aluminum
Magnesium
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GF Automotive
Material Comparison
GJS 400-15GJS 450-10
SiboDur700-10
Aluminum Magnesium Carbon Fiber
Tensile Strength Rm (N/mm2)
Min. 400-450 Min. 700 277-338 217.5-230 3530-4560
0.2%-Yield Stress Rp 0,2(N/mm2)
Min. 250-310 Min. 440 142-196 112.5-155 -
Elongation (%)
Min. 10-15 8-12 3.5-12.5 3.5-10 1.1-1.5
Young’s –Modulus (kN/mm2)
175 175 72-77 43-45 230-395
Density(g/cm3)
7.1 7.1 2.6-2.7 1.8 1.8
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GF Automotive
Lightweighting Potential
Source University of Cambridge
Weight Reduction
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GF Automotive
Production Chain of Carbon Fiber and Magnesium
Carbon Fiber
Magnesium
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GF Automotive
Manufacturing Climate Balance Sheet
CO2 Emissions
Source University of Cambridge
Due to pidgeonprocess
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GF Automotive
Manufacturing Energy Consumption
Energy Consumption
Source University of Cambridge
Energy Consumption
Due to pidgeonprocess
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GF Automotive
Emission over Life-Cycle
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Change of Perspective: Break-Even
Source: VW, University of Cambridge
Break Even:
0 km High Strength Steel
90.000 km Aluminum
120.000 km Magnesium
170.000 km Carbon Fibre
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GF Automotive
Availability
Carbon fiber : Uses polyacrylonitrile
Magnesium : 8th abundant element in earth’s crust
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Carbon Fiber Metals
GF Automotive
Recycling
Fully recyclableUsed in new alloysUsed as a mixture in new alloys
Recyclable?At least downcycling or scrap
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GF Automotive
Repair Job
Metal Repair
Carbon Fiber Repair
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GF Automotive
Cost Comparison
Costs per Part (in % of Steel)
Steel
Aluminum
Magnesium
Carbon
100
130
155
570
Source: McKinsey&Company, Magnesium own ResearchUniversity of Cambridge
Up to 3 times higher costs for carbon fibre
With new precursors and technological progress improving production processes, a decrease of almost 30% in the global cost of composites is expected between now and 2020
Today
Tomorrow
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GF Automotive
Carbon Fiber vs. Aluminum
Source: BMW AG
100% Carbon?
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GF Automotive
Substitution of Sheet Metal Constructions
Weight ReductionCasted aluminum compared to steel sheet assembly out of 10 parts up to 45% less weight
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GF Automotive
Carbon Fiber vs. Magnesium
- 30% Weight Reduction compared to conventional Steel-based Designs
Carbon Fiber Magnesium
- 30% Weight Reduction compared to conventional Steel-based Designs
Source BASF
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GF Automotive
Substitution of Sheet Metal Constructions
Weight ReductionSeat frame in casted Magnesium up to 30% less weight than metal sheet assembly
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GF Automotive
High Design Freedom for Castings
Front Steering Knuckle
Carbon- 40%
Iron- 35%
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GF Automotive
Bionic Design
Weight reductionIron steering knuckle up to 35% less weight through bionic design
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+
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Iron / Steel
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GF Automotive
Material Strengths and Weaknesses
Costs
Recycling
Energy Consumption
Weight Reduction
Repair
Strength +
+
o
+
+
+
o
o
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+
o
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-
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Aluminum Magnesium Carbon
GF Automotive
Design
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(Quelle: Prof. Dr. Claus Mattheck)
Principle
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Start
Topological Optimization
CAD
Bionic Design
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Bionic Design
-12,5 %
Before
GJS 7007,2 kg
After
SiboDur® 7006,3 kg
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GF Automotive
Substitution of Aluminum throughMagnesium in Powertrain Applications
Weight reductionFront cover in castedMagnesium up to 45% lessweight than aluminum
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GF Automotive
Process
Know how to cast
Material
Des
ign
Prozess
Val
idie
rung
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Substitution of System Parts
Weight ReductionCrossmember, completely casted in iron has 17% less weight than combined assembly out of steel sheet and iron
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Substitution of Sheet Metal Constructions
Weight ReductionInno Door Frame in casted Aluminum up to 40% less weight than metal sheet assembly
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WeightReductionPotential
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Casting Advantages
Design Freedom +
Variation of Wall Thicknesses
100% Recyclable
Cost Efficiency –Mass Production for
complex Parts
FunctionalIntegration
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Joining of Parts in the Body Structure
• Screwing• Compound casting• Electro magnetic forming• Clinching• Adhesives• Delta-spot welding
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Lightweight Design by Multi-Material Mix: Metal / Plastics
CastingPlastic
Housing
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GF Automotive
… for your
Lighter Future
Passion …
ContactKlaus DeckingHead of Marketing, Communication & ServicesBusiness Development New MarketsPhone +41 52 631 21 17Mobile +41 79 633 11 37Fax +41 52 631 28 [email protected]
GF AutomotiveGeorg Fischer Automotive AGAmsler-Laffon-Strasse 98201 SchaffhausenSwitzerlandwww.gfau.com
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GF Automotive
Disclaimer
This document is for presentation purposes only and should not be construed as an offer, invitation or solicitation to subscribe for, purchase or sell any investment. Neither it noranything it contains shall form the basis of any contract whatsoever.
Opinions expressed herein reflect the current judgement of the management of Georg Fischer. The presentation contains forward-looking statements that involve risks and uncertainties. Theactual results of Georg Fischer may differ materially from those anticipated in these forward-looking statements and forecasts as a result of a number of factors.
The management of Georg Fischerdoes not accept any liability whatsoever with respect to the use of this presentation.