JEC COMPOSITES MAGAZINE - Issue #48 - May 2009 - 64

KNOW-HOW Nanotubes Carbon nanotubes in polymer matrix composite structures In past years, a lively curiosity and the need for stronger and lighter materials have led scientific research in the field of polymer composite materials to shift increasingly towards product development. One solution that has been developed involves the introduction of nanoparticles like carbon nanotubes into polymer composites. So far, final products reinforced with carbon nanotubes have shown great potential, although some issues remain to be solved for this solution. The aim of the present work is to address such issues, for instance finding the most efficient and economically viable solutions to introduce carbon nanotubes in composites and to overcome common processing problems. The properties of the final composite material are also investigated and reported. AJAY GODARA, SCIENTIST, STRUCTURAL COMPOSITES; R&D DEPARTMENT, & THIBAUD VAUGIEN, SALES AND MARKETING MANAGER, TEXTILES AND STRUCTURAL COMPOSITES NANOCYL ince their discovery in 1991 by Ijima, carbon nanotubes (CNT) have generated a lively interest in the scientific community. Their outstanding intrinsic properties make them very good candidates for many applications, from mechanical enhancement to electrical conductivity. S Carbon nanotubes are produced in a reactor in the form of a black powder. Their micro-structure consists in highly entangled agglomerates of individual cylindrical carbon nanotubes that can be observed by high-resolution scanning electron microscopy (SEM). The intense agglomeration is caused by strong Van der Waals interactions. Such a microstructure presents challenges like dispersion, stability and processability. To gain maximum benefits from CNT reinforcement in polymer composites, it is critical to exfoliate the entangled structure into an individually dispersed one. Once they are nicely dispersed, the stability of dispersion is even greater. The issues encountered with carbon nanotubes in composite production processes The technical limitations associated with conventional setups in composite materials made a new generation of materials necessary. For example, the performance improvement asymptote for carbon fibres had been reached, and the often overlooked resin formulation discipline became a potential solution to generate the required improvements. Nanoparticles are very often highlighted as candidates for such an improvement. The range of new and improved properties associated with the extraordinary aspect ratio of these nanofillers is extremely interesting and can be transferred into macro-materials. At present, the main method used to introduce nanoparticles in composite materials consists in adding them inside the matrix. However, problems like dispersion, dispersion stability, viscosity, and the filtering effect generated by these particles are a major limiting factor for industrialization. These problems appear as CNTs are thin hollow tubes made of carbon atoms. A graphitic sheet is rolled up on itself to form a cylinder. If the cylinder has only one wall, it is called single-wall carbon nanotube (SWNT). When cylinders are assembled one inside another, they are called a multi-wall carbon nanotube (MWNT). The dimensions of CNTs range from a few nanometres to dozens of nanometres in diameter and from the micron scale up to the mm scale in length. This geometry imparts a very high aspect ratio, which is critical to enhance most properties of polymer composites. From a commercial point of view, MWNT produced by chemical vapour deposition are the most common type of carbon nanotubes. With a production capacity of 40 tons/year, Nanocyl is one of the top three players in CNT production and industrialization, especially MWNT production and modification. 64 jec composites magazine / No48 May 2009

Table of Contents for the Digital Edition of JEC COMPOSITES MAGAZINE - Issue #48 - May 2009

Cover
INDEX
CONTENTS
NEWS WORLDWIDE
Companies - AGY expands into Asia Pacific
- Ranger uses expertise to gain foothold in China
- Swancor: two-digit growth and double the ambition
Agenda of events
Innovations - Diamond tool producer celebrates 50th anniversary
 - Eliminating dust from your work environment
 - Autoclaves from XS to XXL
BUSINESS
Market survey - Industrialization of the carboncomposite industry (2nd part)
Strategy - Growth strategies during turbulent times
Trends - A comprehensive view of software and services
Niche market: Luggage - Beautiful structural balance
FEATURE AERONAUTICS
Design - Pushing the envelope in composites design
Engineering - Reducing the complexity of composites engineering
Testing - Laboratory infusion test unit: for new materials testing and process validation
Simulation - An industrial solution to simulate post-buckling and damage
Application - Attainable solutions with composite materials
 - Benzoxazine resin sytems for future interior applications
 - Prototype A350 XWB composite wing spars
FEATURE DISTRIBUTION
Japan - Strongly committed to customer satisfaction
India - “Distribution in India is quite a complex and challenging proposition”
Iran - The History of Polyfiber Company
Australia - Lance Brown: a global market view
USERS’ PLATFORM
Composites in the world - Adaptive energy concept
 - Golf club head
 - Thermoplastic wind turbines in Antarctica
 - High-quality headphones
Successful partners - The A400M cargo door: faster, lighter and better value
Application - Mass-produced zero-emission vehicle
KNOW-HOW
Nanotubes - Carbon nanotubes in polymer matrix composite structures
Control - Process control through dielectric monitoring
Materials - Recent advancements in materials for liquid resin infusion
JEC COMPOSITES MAGAZINE - Issue #48 - May 2009 - Cover
JEC COMPOSITES MAGAZINE - Issue #48 - May 2009 - 2
JEC COMPOSITES MAGAZINE - Issue #48 - May 2009 - 3
JEC COMPOSITES MAGAZINE - Issue #48 - May 2009 - 4
JEC COMPOSITES MAGAZINE - Issue #48 - May 2009 - INDEX
JEC COMPOSITES MAGAZINE - Issue #48 - May 2009 - CONTENTS
JEC COMPOSITES MAGAZINE - Issue #48 - May 2009 - 7
JEC COMPOSITES MAGAZINE - Issue #48 - May 2009 - 8
JEC COMPOSITES MAGAZINE - Issue #48 - May 2009 - Companies - AGY expands into Asia Pacific
JEC COMPOSITES MAGAZINE - Issue #48 - May 2009 - - Ranger uses expertise to gain foothold in China
JEC COMPOSITES MAGAZINE - Issue #48 - May 2009 - 11
JEC COMPOSITES MAGAZINE - Issue #48 - May 2009 - 12
JEC COMPOSITES MAGAZINE - Issue #48 - May 2009 - 13
JEC COMPOSITES MAGAZINE - Issue #48 - May 2009 - - Swancor: two-digit growth and double the ambition
JEC COMPOSITES MAGAZINE - Issue #48 - May 2009 - 15
JEC COMPOSITES MAGAZINE - Issue #48 - May 2009 - Agenda of events
JEC COMPOSITES MAGAZINE - Issue #48 - May 2009 - 17
JEC COMPOSITES MAGAZINE - Issue #48 - May 2009 - Innovations - Diamond tool producer celebrates 50th anniversary
JEC COMPOSITES MAGAZINE - Issue #48 - May 2009 -  - Eliminating dust from your work environment
JEC COMPOSITES MAGAZINE - Issue #48 - May 2009 -  - Autoclaves from XS to XXL
JEC COMPOSITES MAGAZINE - Issue #48 - May 2009 - BUSINESS
JEC COMPOSITES MAGAZINE - Issue #48 - May 2009 - Market survey - Industrialization of the carboncomposite industry (2nd part)
JEC COMPOSITES MAGAZINE - Issue #48 - May 2009 - 23
JEC COMPOSITES MAGAZINE - Issue #48 - May 2009 - Strategy - Growth strategies during turbulent times
JEC COMPOSITES MAGAZINE - Issue #48 - May 2009 - 25
JEC COMPOSITES MAGAZINE - Issue #48 - May 2009 - 26
JEC COMPOSITES MAGAZINE - Issue #48 - May 2009 - Trends - A comprehensive view of software and services
JEC COMPOSITES MAGAZINE - Issue #48 - May 2009 - 28
JEC COMPOSITES MAGAZINE - Issue #48 - May 2009 - 29
JEC COMPOSITES MAGAZINE - Issue #48 - May 2009 - Niche market: Luggage - Beautiful structural balance
JEC COMPOSITES MAGAZINE - Issue #48 - May 2009 - FEATURE AERONAUTICS
JEC COMPOSITES MAGAZINE - Issue #48 - May 2009 - Design - Pushing the envelope in composites design
JEC COMPOSITES MAGAZINE - Issue #48 - May 2009 - 33
JEC COMPOSITES MAGAZINE - Issue #48 - May 2009 - 34
JEC COMPOSITES MAGAZINE - Issue #48 - May 2009 - Engineering - Reducing the complexity of composites engineering
JEC COMPOSITES MAGAZINE - Issue #48 - May 2009 - 36
JEC COMPOSITES MAGAZINE - Issue #48 - May 2009 - 37
JEC COMPOSITES MAGAZINE - Issue #48 - May 2009 - Testing - Laboratory infusion test unit: for new materials testing and process validation
JEC COMPOSITES MAGAZINE - Issue #48 - May 2009 - 39
JEC COMPOSITES MAGAZINE - Issue #48 - May 2009 - Simulation - An industrial solution to simulate post-buckling and damage
JEC COMPOSITES MAGAZINE - Issue #48 - May 2009 - 41
JEC COMPOSITES MAGAZINE - Issue #48 - May 2009 - Application - Attainable solutions with composite materials
JEC COMPOSITES MAGAZINE - Issue #48 - May 2009 - 43
JEC COMPOSITES MAGAZINE - Issue #48 - May 2009 -  - Benzoxazine resin sytems for future interior applications
JEC COMPOSITES MAGAZINE - Issue #48 - May 2009 - 45
JEC COMPOSITES MAGAZINE - Issue #48 - May 2009 -  - Prototype A350 XWB composite wing spars
JEC COMPOSITES MAGAZINE - Issue #48 - May 2009 - FEATURE DISTRIBUTION
JEC COMPOSITES MAGAZINE - Issue #48 - May 2009 - Japan - Strongly committed to customer satisfaction
JEC COMPOSITES MAGAZINE - Issue #48 - May 2009 - 49
JEC COMPOSITES MAGAZINE - Issue #48 - May 2009 - 50
JEC COMPOSITES MAGAZINE - Issue #48 - May 2009 - India - “Distribution in India is quite a complex and challenging proposition”
JEC COMPOSITES MAGAZINE - Issue #48 - May 2009 - 52
JEC COMPOSITES MAGAZINE - Issue #48 - May 2009 - Iran - The History of Polyfiber Company
JEC COMPOSITES MAGAZINE - Issue #48 - May 2009 - 54
JEC COMPOSITES MAGAZINE - Issue #48 - May 2009 - Australia - Lance Brown: a global market view
JEC COMPOSITES MAGAZINE - Issue #48 - May 2009 - 56
JEC COMPOSITES MAGAZINE - Issue #48 - May 2009 - USERS’ PLATFORM
JEC COMPOSITES MAGAZINE - Issue #48 - May 2009 -  - Golf club head
JEC COMPOSITES MAGAZINE - Issue #48 - May 2009 -  - High-quality headphones
JEC COMPOSITES MAGAZINE - Issue #48 - May 2009 - Successful partners - The A400M cargo door: faster, lighter and better value
JEC COMPOSITES MAGAZINE - Issue #48 - May 2009 - 61
JEC COMPOSITES MAGAZINE - Issue #48 - May 2009 - Application - Mass-produced zero-emission vehicle
JEC COMPOSITES MAGAZINE - Issue #48 - May 2009 - KNOW-HOW
JEC COMPOSITES MAGAZINE - Issue #48 - May 2009 - Nanotubes - Carbon nanotubes in polymer matrix composite structures
JEC COMPOSITES MAGAZINE - Issue #48 - May 2009 - 65
JEC COMPOSITES MAGAZINE - Issue #48 - May 2009 - 66
JEC COMPOSITES MAGAZINE - Issue #48 - May 2009 - 67
JEC COMPOSITES MAGAZINE - Issue #48 - May 2009 - 68
JEC COMPOSITES MAGAZINE - Issue #48 - May 2009 - Control - Process control through dielectric monitoring
JEC COMPOSITES MAGAZINE - Issue #48 - May 2009 - 70
JEC COMPOSITES MAGAZINE - Issue #48 - May 2009 - 71
JEC COMPOSITES MAGAZINE - Issue #48 - May 2009 - Materials - Recent advancements in materials for liquid resin infusion
JEC COMPOSITES MAGAZINE - Issue #48 - May 2009 - 73
JEC COMPOSITES MAGAZINE - Issue #48 - May 2009 - 74
JEC COMPOSITES MAGAZINE - Issue #48 - May 2009 - 75
JEC COMPOSITES MAGAZINE - Issue #48 - May 2009 - 76
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