JEC COMPOSITES MAGAZINE - Issue #66 - July/August 2011 - 30

prepreg
polyester have been used in mass production for a long time, but the industry has been slow to adopt carbonfibre-reinforced plastics for massproduced cars. However, with OEMs increasingly focusing on sustainable mobility and alternative energy sources, combined with energy saving and reduced CO2 emissions, the search for alternative technologies to bring massive weight reductions and new structural solutions is intensifying. Bridging the gap between using an exclusive, expensive high-end material suitable for producing four to 20 cars per week at best and finding a reliable, competitive and environment-friendly material able to deliver 400 to 800 cars per week is quite a challenge. Hexcel is working on a number of technologies to bridge this gap and bring cost-efficient CFRP solutions to the market, whether the chosen production route is based on the compression moulding of prepregs or on the highspeed resin transfer moulding of dry reinforcements. In both cases the company is well prepared, due to its experience, to meet mass production requirements – including efficient automation and scrap reduction. HexMC® is Hexcel’s moulding concept for 3D parts made in high production environments. A decade of experience in the design and manufacture of HexMC® parts has resulted in a broad experience in compression moulding that is now being used to optimize and adapt Hexcel’s moulding concept to the requirements of the automotive industry. Another key technology that will assist car manufacturers seeking more efficient composite solutions and faster production without affecting investment and labour costs is Hexcel’s new epoxy resin system, which overcomes the psychological barrier of the 5minute cure cycle.
HexMC® component testing

Carbon roof of BMW M3

30

Latest innovations

jec composites magazine / No66 July - August 2011

Curing in only two minutes at 150°C, HexPly® M77 brings significant advantages to the market, especially as this reactive system also has a long shelf life of six weeks at 23°C. Other features, such as a Tg of 120°C and good adhesive properties when bonding to aluminium, for example, make HexPly®

M77 highly suitable for large-volume production with parts remaining in the tool for a maximum two minutes. In order to deliver performance without expense to the environment, HexPly® M77 is fully compliant with REACH regulations. HexPly® M77 and HexMC® are two technologies that can help overcome some of the challenges facing the automotive industry. Introducing CFRP into large-volume automotive manufacture in a sustainable way is a huge task, but Hexcel has already made good progress, with a firm commitment to ongoing development and support.

Looking to the future
In addition to improving performance, Hexcel is developing composite solutions for other automotive challenges such as functional integration, enhanced safety features or completely redesigned vehicle structures, while complying with manufacturers’ expectations for efficient production processes. Hexcel is committed to initiating only sustainable routes and anticipating future regulatory requirements (while being aware of the need to develop recyclable solutions), and these will be integrated into future technology developments. n
More information: www.hexcel.com

PrimeTex™ is a range of carbon fabrics processed for a smooth weave with a high degree of closure that provides outstanding visual quality. In the patented PrimeTex™ process, the fibre tows are spread in both the warp and weft direction, providing a more uniform weave and a thinner, more closely woven fabric that leads to better mechanical properties and reduced laminate porosity. These fabrics can also be used to lower the mass in a composite where weight-saving is a prime objective. They can be made with larger-tow fibres without any weight increase and the 12K 200 gsm PrimeTex™ variant has unrivalled quality for a 12K fabric. PrimeTex™ is ideal for automotive applications, where it meets the challenge of cost optimization while providing a unique quality appearance. Hexcel’s weaving expertise combined with carbon-fibre developments could open up even more opportunities with Primetex™ in the future as intermediate-modulus carbon fibres come into the mix. Hexcel supplies BMW with NC2 and PrimeTex® 3K spread fabrics for the outer skin of the M3 carbon-fibre roof. The company’s unique weaving experience combined with new spreading technology allows the aesthetic specifications of BMW to be met.


http://www.hexcel.com

Table of Contents for the Digital Edition of JEC COMPOSITES MAGAZINE - Issue #66 - July/August 2011

Cover
Edito
Point of view: Products for thermoplastic reinforcement
Contents
Agenda of Events
COMPANY & BUSINESS
- In Brief
- Aeronautics
APPLICATIONS
- Sports and leisure
- Civil engineering
MARKET
- Glass fibre
- Human Resources
- South America
- Sustainability
FEATURE AUTOMOTIVE
- Vessel
- Prepreg
- Software
- Thermoplastic
- Biocomposites
- High Performance
RESEARCH & DEVELOPMENT
- Process
- Environment
TECHNOLOGY & INNOVATIONS
- CNC
- Multiaxial
- Thermoplastic
- Traceability
Index
In the world
JEC COMPOSITES MAGAZINE - Issue #66 - July/August 2011 - Cover
JEC COMPOSITES MAGAZINE - Issue #66 - July/August 2011 - 2
JEC COMPOSITES MAGAZINE - Issue #66 - July/August 2011 - Edito
JEC COMPOSITES MAGAZINE - Issue #66 - July/August 2011 - Point of view: Products for thermoplastic reinforcement
JEC COMPOSITES MAGAZINE - Issue #66 - July/August 2011 - 5
JEC COMPOSITES MAGAZINE - Issue #66 - July/August 2011 - Contents
JEC COMPOSITES MAGAZINE - Issue #66 - July/August 2011 - 7
JEC COMPOSITES MAGAZINE - Issue #66 - July/August 2011 - Agenda of Events
JEC COMPOSITES MAGAZINE - Issue #66 - July/August 2011 - Ad1
JEC COMPOSITES MAGAZINE - Issue #66 - July/August 2011 - Ad2
JEC COMPOSITES MAGAZINE - Issue #66 - July/August 2011 - - In Brief
JEC COMPOSITES MAGAZINE - Issue #66 - July/August 2011 - - Aeronautics
JEC COMPOSITES MAGAZINE - Issue #66 - July/August 2011 - 11
JEC COMPOSITES MAGAZINE - Issue #66 - July/August 2011 - - Sports and leisure
JEC COMPOSITES MAGAZINE - Issue #66 - July/August 2011 - 13
JEC COMPOSITES MAGAZINE - Issue #66 - July/August 2011 - - Civil engineering
JEC COMPOSITES MAGAZINE - Issue #66 - July/August 2011 - 15
JEC COMPOSITES MAGAZINE - Issue #66 - July/August 2011 - - Glass fibre
JEC COMPOSITES MAGAZINE - Issue #66 - July/August 2011 - 17
JEC COMPOSITES MAGAZINE - Issue #66 - July/August 2011 - 18
JEC COMPOSITES MAGAZINE - Issue #66 - July/August 2011 - - Human Resources
JEC COMPOSITES MAGAZINE - Issue #66 - July/August 2011 - - South America
JEC COMPOSITES MAGAZINE - Issue #66 - July/August 2011 - 21
JEC COMPOSITES MAGAZINE - Issue #66 - July/August 2011 - - Sustainability
JEC COMPOSITES MAGAZINE - Issue #66 - July/August 2011 - 23
JEC COMPOSITES MAGAZINE - Issue #66 - July/August 2011 - 24
JEC COMPOSITES MAGAZINE - Issue #66 - July/August 2011 - 25
JEC COMPOSITES MAGAZINE - Issue #66 - July/August 2011 - - Vessel
JEC COMPOSITES MAGAZINE - Issue #66 - July/August 2011 - 27
JEC COMPOSITES MAGAZINE - Issue #66 - July/August 2011 - 28
JEC COMPOSITES MAGAZINE - Issue #66 - July/August 2011 - - Prepreg
JEC COMPOSITES MAGAZINE - Issue #66 - July/August 2011 - 30
JEC COMPOSITES MAGAZINE - Issue #66 - July/August 2011 - 31
JEC COMPOSITES MAGAZINE - Issue #66 - July/August 2011 - - Software
JEC COMPOSITES MAGAZINE - Issue #66 - July/August 2011 - 33
JEC COMPOSITES MAGAZINE - Issue #66 - July/August 2011 - - Thermoplastic
JEC COMPOSITES MAGAZINE - Issue #66 - July/August 2011 - 35
JEC COMPOSITES MAGAZINE - Issue #66 - July/August 2011 - 36
JEC COMPOSITES MAGAZINE - Issue #66 - July/August 2011 - 37
JEC COMPOSITES MAGAZINE - Issue #66 - July/August 2011 - 38
JEC COMPOSITES MAGAZINE - Issue #66 - July/August 2011 - - Biocomposites
JEC COMPOSITES MAGAZINE - Issue #66 - July/August 2011 - 40
JEC COMPOSITES MAGAZINE - Issue #66 - July/August 2011 - 41
JEC COMPOSITES MAGAZINE - Issue #66 - July/August 2011 - 42
JEC COMPOSITES MAGAZINE - Issue #66 - July/August 2011 - 43
JEC COMPOSITES MAGAZINE - Issue #66 - July/August 2011 - 44
JEC COMPOSITES MAGAZINE - Issue #66 - July/August 2011 - 45
JEC COMPOSITES MAGAZINE - Issue #66 - July/August 2011 - - High Performance
JEC COMPOSITES MAGAZINE - Issue #66 - July/August 2011 - 47
JEC COMPOSITES MAGAZINE - Issue #66 - July/August 2011 - - Process
JEC COMPOSITES MAGAZINE - Issue #66 - July/August 2011 - 49
JEC COMPOSITES MAGAZINE - Issue #66 - July/August 2011 - - Environment
JEC COMPOSITES MAGAZINE - Issue #66 - July/August 2011 - 51
JEC COMPOSITES MAGAZINE - Issue #66 - July/August 2011 - 52
JEC COMPOSITES MAGAZINE - Issue #66 - July/August 2011 - - CNC
JEC COMPOSITES MAGAZINE - Issue #66 - July/August 2011 - 54
JEC COMPOSITES MAGAZINE - Issue #66 - July/August 2011 - 55
JEC COMPOSITES MAGAZINE - Issue #66 - July/August 2011 - - Multiaxial
JEC COMPOSITES MAGAZINE - Issue #66 - July/August 2011 - - Thermoplastic
JEC COMPOSITES MAGAZINE - Issue #66 - July/August 2011 - 58
JEC COMPOSITES MAGAZINE - Issue #66 - July/August 2011 - - Traceability
JEC COMPOSITES MAGAZINE - Issue #66 - July/August 2011 - 60
JEC COMPOSITES MAGAZINE - Issue #66 - July/August 2011 - Index
JEC COMPOSITES MAGAZINE - Issue #66 - July/August 2011 - In the world
JEC COMPOSITES MAGAZINE - Issue #66 - July/August 2011 - 63
JEC COMPOSITES MAGAZINE - Issue #66 - July/August 2011 - 64
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