JEC COMPOSITES MAGAZINE - Issue #74 - July 2012 - 45

requirements can be discussed, and the resulting changes in the structural substantiation test plan are easier to implement, in order to avoid programme timetable delays.

Conclusions
The basic lesson from this accumulated experience is that exploiting innovative methods to reduce the cost of composites often involves the development of a specific engineering infrastructure. The new infrastructure requirements are characteristically subtle, and are difficult to predict before the detail design phase of actual components. The nature of the innovations is such that the changes are more radical than the usual incremental improvement in procedures as experience is gained. Since innovative materials and manufacturing processes are usually involved, this emphasizes the need for an effective concurrent engineering approach. All of these factors impact on non-recurring costs. The equation of whether they negate the recurring cost advantages of the new techniques is not simple, and depends on the production learning curve and the production volume. We have highlighted technical difficulties encountered with low-cost composite manufacturing methods. Experience shows that the potential weight and cost savings associated with these methods are sufficiently attractive to justify continued investment in innovation by aerospace manufacturers. n
More information: www.iai.co.il Contact: gghilai@iai.co.il

References [1]. A. K. Green, N. Hackman, H. Leibovich and I. Perlstein. in Proc. Conf. COMAT 2001, Mar del Plata, Argentina, December 2001, p. 71 [2]. J. Alonim, E. Arnon, A. David, E. Gold, A. K. Green, N. Hackman and H. Leibovich. in Proc. 26th Intl. SAMPE EC Conf., Paris, April 2005, Sec. 9A, p. 476 [3]. J. Alonim, E. Arnon, A. David, E. Gold, A. K. Green, N. Hackman and H. Leibovich. in Proc. Conf. COMAT 2005, Buenos Aires, Argentina, December 2005, p. 111 [4]. Y. Steckelman, E. Ben Dror, A. K. Green, H. Leibovich and A. Schlinger. SAMPE Journal, 45, July/August 2009, Issue 4, p. 6 [5]. D. Ben-Moshe, E. Feldman, A. K. Green, H. Leibovich and Y. Steckelman. in Proc. 14th.European Conf. on Composite Materials, ECCM-14, Budapest, June 2010, Sec. C, p. 383 [6]. Y. Yurovich, H. Leibovich, A. K. Green, Y. Steckelman, G. Ghilai, D. Peled, B. Burstein and E. Ejgenberg. in Proc. 31st. Intl. SAMPE Europe Tech. Conf., SEICO 10, Paris, France, April 2010, Sec. 6A/2, p. 368 [7]. A. K. Green. in Proc. 11th. European Conf. on Composite Materials, ECCM-11, Rhodes, June 2004, p. C061 [8]. H. Leibovich and A. K. Green. in Proc. 2nd. SAMPE Europe Technical Conf., SETEC 02/-07, Madrid, Spain, Sept. 2007, p. 251 [9]. G. Ghilai, A. K. Green and I. Kressel. in Proc. 3rd. Intl. Conf. «Supply on the Wings», Frankfurt, Germany, Nov. 2008, Sec.B5 [10]. G. Ghilai and A. K. Green. Proc. 4th.Intl. Conf. «Supply on the Wings», Frankfurt, Germany, Nov. 2009, Sec. B3a [11]. B. A. Wilson, Handbook of Composites, 2nd. Edition, Ed. S. T. Peters, Chapman and Hall, 1998, Chapter 23: ‘Pultrusion’ [12]. S. Black, High Performance Composites, Feb. 2009, ‘Pultruding cost out of aerospace parts’

No74 July 2012

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JEC COMPOSITES MAGAZINE - Issue #74 - July 2012

Table of Contents for the Digital Edition of JEC COMPOSITES MAGAZINE - Issue #74 - July 2012

Cover
Edito
Point of view: Closer to the shop floor
Contents
Agenda of Events
COMPANY & BUSINESS
- In Brief
- Glass fibre
APPLICATIONS
- Pipes & tanks
- Building
MARKET
- Human resources
- Glass fibre
- Turkey
FEATURE AUTOMOTIVE
- Braiding
- Lightening
- D-LFT
- Sustainability
- RTM
- RIM
RESEARCH & DEVELOPMENT
- Design
- Fatigue behaviour
TECHNOLOGY & INNOVATIONS
- Wind
- Reinforcement
Index
In the world
JEC COMPOSITES MAGAZINE - Issue #74 - July 2012 - Cover
JEC COMPOSITES MAGAZINE - Issue #74 - July 2012 - 2
JEC COMPOSITES MAGAZINE - Issue #74 - July 2012 - Edito
JEC COMPOSITES MAGAZINE - Issue #74 - July 2012 - Point of view: Closer to the shop floor
JEC COMPOSITES MAGAZINE - Issue #74 - July 2012 - 5
JEC COMPOSITES MAGAZINE - Issue #74 - July 2012 - Contents
JEC COMPOSITES MAGAZINE - Issue #74 - July 2012 - 7
JEC COMPOSITES MAGAZINE - Issue #74 - July 2012 - Agenda of Events
JEC COMPOSITES MAGAZINE - Issue #74 - July 2012 - - In Brief
JEC COMPOSITES MAGAZINE - Issue #74 - July 2012 - - Glass fibre
JEC COMPOSITES MAGAZINE - Issue #74 - July 2012 - 11
JEC COMPOSITES MAGAZINE - Issue #74 - July 2012 - 12
JEC COMPOSITES MAGAZINE - Issue #74 - July 2012 - - Pipes & tanks
JEC COMPOSITES MAGAZINE - Issue #74 - July 2012 - - Building
JEC COMPOSITES MAGAZINE - Issue #74 - July 2012 - 15
JEC COMPOSITES MAGAZINE - Issue #74 - July 2012 - 16
JEC COMPOSITES MAGAZINE - Issue #74 - July 2012 - 17
JEC COMPOSITES MAGAZINE - Issue #74 - July 2012 - - Human resources
JEC COMPOSITES MAGAZINE - Issue #74 - July 2012 - - Glass fibre
JEC COMPOSITES MAGAZINE - Issue #74 - July 2012 - 20
JEC COMPOSITES MAGAZINE - Issue #74 - July 2012 - 21
JEC COMPOSITES MAGAZINE - Issue #74 - July 2012 - - Turkey
JEC COMPOSITES MAGAZINE - Issue #74 - July 2012 - 23
JEC COMPOSITES MAGAZINE - Issue #74 - July 2012 - - Braiding
JEC COMPOSITES MAGAZINE - Issue #74 - July 2012 - 25
JEC COMPOSITES MAGAZINE - Issue #74 - July 2012 - - Lightening
JEC COMPOSITES MAGAZINE - Issue #74 - July 2012 - 27
JEC COMPOSITES MAGAZINE - Issue #74 - July 2012 - 28
JEC COMPOSITES MAGAZINE - Issue #74 - July 2012 - 29
JEC COMPOSITES MAGAZINE - Issue #74 - July 2012 - - D-LFT
JEC COMPOSITES MAGAZINE - Issue #74 - July 2012 - 31
JEC COMPOSITES MAGAZINE - Issue #74 - July 2012 - 32
JEC COMPOSITES MAGAZINE - Issue #74 - July 2012 - 33
JEC COMPOSITES MAGAZINE - Issue #74 - July 2012 - - Sustainability
JEC COMPOSITES MAGAZINE - Issue #74 - July 2012 - 35
JEC COMPOSITES MAGAZINE - Issue #74 - July 2012 - 36
JEC COMPOSITES MAGAZINE - Issue #74 - July 2012 - - RTM
JEC COMPOSITES MAGAZINE - Issue #74 - July 2012 - 38
JEC COMPOSITES MAGAZINE - Issue #74 - July 2012 - 39
JEC COMPOSITES MAGAZINE - Issue #74 - July 2012 - - RIM
JEC COMPOSITES MAGAZINE - Issue #74 - July 2012 - - Design
JEC COMPOSITES MAGAZINE - Issue #74 - July 2012 - 42
JEC COMPOSITES MAGAZINE - Issue #74 - July 2012 - 43
JEC COMPOSITES MAGAZINE - Issue #74 - July 2012 - 44
JEC COMPOSITES MAGAZINE - Issue #74 - July 2012 - 45
JEC COMPOSITES MAGAZINE - Issue #74 - July 2012 - - Fatigue behaviour
JEC COMPOSITES MAGAZINE - Issue #74 - July 2012 - 47
JEC COMPOSITES MAGAZINE - Issue #74 - July 2012 - 48
JEC COMPOSITES MAGAZINE - Issue #74 - July 2012 - 49
JEC COMPOSITES MAGAZINE - Issue #74 - July 2012 - 50
JEC COMPOSITES MAGAZINE - Issue #74 - July 2012 - - Wind
JEC COMPOSITES MAGAZINE - Issue #74 - July 2012 - 52
JEC COMPOSITES MAGAZINE - Issue #74 - July 2012 - 53
JEC COMPOSITES MAGAZINE - Issue #74 - July 2012 - - Reinforcement
JEC COMPOSITES MAGAZINE - Issue #74 - July 2012 - 55
JEC COMPOSITES MAGAZINE - Issue #74 - July 2012 - 56
JEC COMPOSITES MAGAZINE - Issue #74 - July 2012 - Index
JEC COMPOSITES MAGAZINE - Issue #74 - July 2012 - In the world
JEC COMPOSITES MAGAZINE - Issue #74 - July 2012 - 59
JEC COMPOSITES MAGAZINE - Issue #74 - July 2012 - 60
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