JEC COMPOSITES MAGAZINE - Issue #58 - June - July 2010 - 46

FEATURE

“Aeronautics”
sought to simplify the manufacture of large numbers of stiffening ribs. The solution was to ‘butt joint’ a flat laminate by co-consolidating it with the basic I-beam (Fig. 6). This proved an effective solution, much simpler to manufacture than the initial design with press-formed stiffeners. The butt joint strength was subsequently optimized by adding a radius using an injection-moulded filler (Fig. 7).

g…/… New thermoplastic composite design concepts and their automated manufacture Induction welding, a technology researched by Dutch specialist KVE Composites Group, was industrialized by Fokker Aerostructures (Fig. 4).

Fig. 4: Induction welding of Gulfstream G650 rudder and elevators

The carbon/PPS (Ten Cate Advanced Composites) multi-rib design is 10% lighter and 20% cheaper than its carbon/epoxy sandwich design predecessor. Replacing adhesive bonding and bolts by welding is an important cost reduction factor, as are the pressforming of ribs and the ease of layup/consolidation for skins and spars.

Fig. 7: Butt joint with radius filler

Development of an integrally-stiffened thermoplastic skin concept
In 2003, an airliner floor beam (Fig. 5) was developed in carbon/PEKK UD tape (Cytec). This high-build-rate product is suited for aeronautics, so that pick & place was chosen as the layup method for web and cap preforms. These are then melted together in a process called co-consolidation. During the development of the I-beam shaped component, a method was

The development of the butt joint system opened a whole new range of opportunities for innovative design, such as a sine wave beam (Fig. 8), which normally is not easy to achieve in composites. Another design that sprung from the butt joint concept was an integrally-stiffened skin panel.

Fig. 5: Thermoplastic floor beam

Fig. 8: Butt jointed sine wave beam

T-stiffeners are made from flat preforms and co-consolidated with a skin. The panel concept was developed and tested successfully in shear and compression together with the Dutch National Aerospace Laboratory in 2008 (Fig. 9).

Large thermoplastic primary structures
The Dutch industry, institutes and Airbus have been cooperating in the area of thermoplastics since 2005. This cooperation was intensified in 2009. Approached by Airbus, the Dutch Ministry of Economic Affairs initiated a cluster of

Fig. 6: Butt-jointed stiffening rib

46

jec composites magazine / No58 June - July 2010



JEC COMPOSITES MAGAZINE - Issue #58 - June - July 2010

Table of Contents for the Digital Edition of JEC COMPOSITES MAGAZINE - Issue #58 - June - July 2010

Cover
Editorial
Market Place
Advertisers
Index
Contents
NEWS WORLDWIDE
- Companies
- Innovations
- Agenda of events
BUSINESS
- Market survey
- Trends
- Human Capital
FEATURE - AERONAUTICS
- Market
- Nano
- Simulation
- Fibre placement
- Assembling
- Thermoplastics
USERS' PLATFORM
- Composites in the world
- Successful Partners
- Civil Engineering
KNOW-HOW
- Reinforcement
- RTM
- Induction
JEC COMPOSITES MAGAZINE - Issue #58 - June - July 2010 - Cover
JEC COMPOSITES MAGAZINE - Issue #58 - June - July 2010 - 2
JEC COMPOSITES MAGAZINE - Issue #58 - June - July 2010 - Editorial
JEC COMPOSITES MAGAZINE - Issue #58 - June - July 2010 - Market Place
JEC COMPOSITES MAGAZINE - Issue #58 - June - July 2010 - Index
JEC COMPOSITES MAGAZINE - Issue #58 - June - July 2010 - Contents
JEC COMPOSITES MAGAZINE - Issue #58 - June - July 2010 - 7
JEC COMPOSITES MAGAZINE - Issue #58 - June - July 2010 - - Companies
JEC COMPOSITES MAGAZINE - Issue #58 - June - July 2010 - 9
JEC COMPOSITES MAGAZINE - Issue #58 - June - July 2010 - 10
JEC COMPOSITES MAGAZINE - Issue #58 - June - July 2010 - - Innovations
JEC COMPOSITES MAGAZINE - Issue #58 - June - July 2010 - - Agenda of events
JEC COMPOSITES MAGAZINE - Issue #58 - June - July 2010 - BUSINESS
JEC COMPOSITES MAGAZINE - Issue #58 - June - July 2010 - - Market survey
JEC COMPOSITES MAGAZINE - Issue #58 - June - July 2010 - 15
JEC COMPOSITES MAGAZINE - Issue #58 - June - July 2010 - 16
JEC COMPOSITES MAGAZINE - Issue #58 - June - July 2010 - 17
JEC COMPOSITES MAGAZINE - Issue #58 - June - July 2010 - - Trends
JEC COMPOSITES MAGAZINE - Issue #58 - June - July 2010 - 19
JEC COMPOSITES MAGAZINE - Issue #58 - June - July 2010 - - Human Capital
JEC COMPOSITES MAGAZINE - Issue #58 - June - July 2010 - FEATURE - AERONAUTICS
JEC COMPOSITES MAGAZINE - Issue #58 - June - July 2010 - - Market
JEC COMPOSITES MAGAZINE - Issue #58 - June - July 2010 - 23
JEC COMPOSITES MAGAZINE - Issue #58 - June - July 2010 - 24
JEC COMPOSITES MAGAZINE - Issue #58 - June - July 2010 - 25
JEC COMPOSITES MAGAZINE - Issue #58 - June - July 2010 - 26
JEC COMPOSITES MAGAZINE - Issue #58 - June - July 2010 - 27
JEC COMPOSITES MAGAZINE - Issue #58 - June - July 2010 - - Nano
JEC COMPOSITES MAGAZINE - Issue #58 - June - July 2010 - 29
JEC COMPOSITES MAGAZINE - Issue #58 - June - July 2010 - - Simulation
JEC COMPOSITES MAGAZINE - Issue #58 - June - July 2010 - 31
JEC COMPOSITES MAGAZINE - Issue #58 - June - July 2010 - 32
JEC COMPOSITES MAGAZINE - Issue #58 - June - July 2010 - 33
JEC COMPOSITES MAGAZINE - Issue #58 - June - July 2010 - 34
JEC COMPOSITES MAGAZINE - Issue #58 - June - July 2010 - 35
JEC COMPOSITES MAGAZINE - Issue #58 - June - July 2010 - 36
JEC COMPOSITES MAGAZINE - Issue #58 - June - July 2010 - 37
JEC COMPOSITES MAGAZINE - Issue #58 - June - July 2010 - - Fibre placement
JEC COMPOSITES MAGAZINE - Issue #58 - June - July 2010 - 39
JEC COMPOSITES MAGAZINE - Issue #58 - June - July 2010 - 40
JEC COMPOSITES MAGAZINE - Issue #58 - June - July 2010 - 41
JEC COMPOSITES MAGAZINE - Issue #58 - June - July 2010 - - Assembling
JEC COMPOSITES MAGAZINE - Issue #58 - June - July 2010 - 43
JEC COMPOSITES MAGAZINE - Issue #58 - June - July 2010 - 44
JEC COMPOSITES MAGAZINE - Issue #58 - June - July 2010 - - Thermoplastics
JEC COMPOSITES MAGAZINE - Issue #58 - June - July 2010 - 46
JEC COMPOSITES MAGAZINE - Issue #58 - June - July 2010 - 47
JEC COMPOSITES MAGAZINE - Issue #58 - June - July 2010 - 48
JEC COMPOSITES MAGAZINE - Issue #58 - June - July 2010 - 49
JEC COMPOSITES MAGAZINE - Issue #58 - June - July 2010 - 50
JEC COMPOSITES MAGAZINE - Issue #58 - June - July 2010 - USERS' PLATFORM
JEC COMPOSITES MAGAZINE - Issue #58 - June - July 2010 - - Composites in the world
JEC COMPOSITES MAGAZINE - Issue #58 - June - July 2010 - - Successful Partners
JEC COMPOSITES MAGAZINE - Issue #58 - June - July 2010 - - Civil Engineering
JEC COMPOSITES MAGAZINE - Issue #58 - June - July 2010 - 55
JEC COMPOSITES MAGAZINE - Issue #58 - June - July 2010 - 56
JEC COMPOSITES MAGAZINE - Issue #58 - June - July 2010 - KNOW-HOW
JEC COMPOSITES MAGAZINE - Issue #58 - June - July 2010 - - Reinforcement
JEC COMPOSITES MAGAZINE - Issue #58 - June - July 2010 - 59
JEC COMPOSITES MAGAZINE - Issue #58 - June - July 2010 - - RTM
JEC COMPOSITES MAGAZINE - Issue #58 - June - July 2010 - 61
JEC COMPOSITES MAGAZINE - Issue #58 - June - July 2010 - - Induction
JEC COMPOSITES MAGAZINE - Issue #58 - June - July 2010 - 63
JEC COMPOSITES MAGAZINE - Issue #58 - June - July 2010 - 64
JEC COMPOSITES MAGAZINE - Issue #58 - June - July 2010 - 65
JEC COMPOSITES MAGAZINE - Issue #58 - June - July 2010 - 66
JEC COMPOSITES MAGAZINE - Issue #58 - June - July 2010 - 67
JEC COMPOSITES MAGAZINE - Issue #58 - June - July 2010 - 68
https://www.nxtbook.fr/newpress/jeccomposites/jcm2211_148
https://www.nxtbook.fr/newpress/jeccomposites/jcm2209_147
https://www.nxtbook.fr/newpress/jeccomposites/jcm2206_146
https://www.nxtbook.fr/newpress/jeccomposites/jcm2204_145
https://www.nxtbook.fr/newpress/jeccomposites/jcm2201_144
https://www.nxtbook.fr/newpress/jeccomposites/jcm211_143
https://www.nxtbook.fr/newpress/jeccomposites/jcm2109_142
https://www.nxtbook.fr/newpress/jeccomposites/jcm2107_141
https://www.nxtbook.fr/newpress/jeccomposites/jcm2105_140
https://www.nxtbook.fr/newpress/jeccomposites/jcm2103_139
https://www.nxtbook.fr/newpress/jeccomposites/jcm-experts-digest-additive-manufacturing-2020
https://www.nxtbook.fr/newpress/jeccomposites/jcm2101_138
https://www.nxtbook.fr/newpress/jeccomposites/jcm2011_Special_Issue4
https://www.nxtbook.fr/newpress/jeccomposites/jcm2011_137
https://www.nxtbook.fr/newpress/jeccomposites/jcm2009_136
https://www.nxtbook.fr/newpress/jeccomposites/jcm2007_135
https://www.nxtbook.fr/newpress/jeccomposites/jcm_2020_Q1_Innovation_Report
https://www.nxtbook.fr/newpress/jeccomposites/jcm2005_Special_Issue3
https://www.nxtbook.fr/newpress/jeccomposites/jcm2005_134
https://www.nxtbook.fr/newpress/jeccomposites/jcm2003_133
https://www.nxtbook.fr/newpress/jeccomposites/jcm2001_132
https://www.nxtbook.fr/newpress/jeccomposites/jcm1911_Special_Issue2
https://www.nxtbook.fr/newpress/jeccomposites/jcm1911_131
https://www.nxtbook.fr/newpress/jeccomposites/jcm1909_130
https://www.nxtbook.fr/newpress/jeccomposites/jcm1907_129
https://www.nxtbook.fr/newpress/jeccomposites/jcm1905_128
https://www.nxtbook.fr/newpress/jeccomposites/jcm1903_Special_Issue1
https://www.nxtbook.fr/newpress/jeccomposites/jcm1903_127
https://www.nxtbook.fr/newpress/jeccomposites/jcm1901_126
https://www.nxtbook.fr/newpress/jeccomposites/jcm1811_125
https://www.nxtbook.fr/newpress/jeccomposites/jcm1810_124
https://www.nxtbook.fr/newpress/jeccomposites/jcm1808_123
https://www.nxtbook.fr/newpress/jeccomposites/jcm1807_122
https://www.nxtbook.fr/newpress/jeccomposites/jcm1805_121
https://www.nxtbook.fr/newpress/jeccomposites/jcm1804_120
https://www.nxtbook.fr/newpress/jeccomposites/jcm1803_119
https://www.nxtbook.fr/newpress/jeccomposites/jcm1802_119-Supplement_Innovation_Report
https://www.nxtbook.fr/newpress/jeccomposites/jcm1801_118
https://www.nxtbook.fr/newpress/jeccomposites/jcm1711_117
https://www.nxtbook.fr/newpress/jeccomposites/jcm1710_116
https://www.nxtbook.fr/newpress/jeccomposites/jcm1708_115
https://www.nxtbook.fr/newpress/jeccomposites/jcm1707_114
https://www.nxtbook.fr/newpress/jeccomposites/jcm1706_113
https://www.nxtbook.fr/newpress/jeccomposites/jcm1704_112
https://www.nxtbook.fr/newpress/jeccomposites/jcm1703_111
https://www.nxtbook.fr/newpress/jeccomposites/jcm1701_110
https://www.nxtbook.fr/newpress/jeccomposites/jcm1611_109
https://www.nxtbook.fr/newpress/jeccomposites/jcm1610_108
https://www.nxtbook.fr/newpress/jeccomposites/jcm1608_107
https://www.nxtbook.fr/newpress/jeccomposites/jcm1607_106
https://www.nxtbook.fr/newpress/jeccomposites/jcm1605_105
https://www.nxtbook.fr/newpress/jeccomposites/jcm1604_104
https://www.nxtbook.fr/newpress/jeccomposites/jcm1603_103
https://www.nxtbook.fr/newpress/jeccomposites/jcm1601_102
https://www.nxtbook.fr/newpress/jeccomposites/jcm1511_101
https://www.nxtbook.fr/newpress/jeccomposites/jcm1510_100
https://www.nxtbook.fr/newpress/jeccomposites/jcm1509_99
https://www.nxtbook.fr/newpress/jeccomposites/jcm1507_98
https://www.nxtbook.fr/newpress/jeccomposites/jcm1505_97
https://www.nxtbook.fr/newpress/jeccomposites/jcm1504_96
https://www.nxtbook.com/newpress/jeccomposites/jcm1503_95
https://www.nxtbook.com/newpress/jeccomposites/jcm1501_94
https://www.nxtbook.com/newpress/jeccomposites/jcm1412_93
https://www.nxtbook.com/newpress/jeccomposites/jcm1410_92
https://www.nxtbook.com/newpress/jeccomposites/jcm1409_91
https://www.nxtbook.com/newpress/jeccomposites/jcm1406_90
https://www.nxtbook.com/newpress/jeccomposites/jcm1405_89
https://www.nxtbook.com/newpress/jeccomposites/jcm1404_88
https://www.nxtbook.com/newpress/jeccomposites/jcm1403_87
https://www.nxtbook.com/newpress/jeccomposites/jcm1401_86
https://www.nxtbook.com/newpress/jeccomposites/jcm1311_85
https://www.nxtbook.com/newpress/jeccomposites/jcm1310_84
https://www.nxtbook.com/newpress/jeccomposites/jcm1308_83
https://www.nxtbook.com/newpress/jeccomposites/jcm1307_82
https://www.nxtbook.com/newpress/jeccomposites/jcm1305_81
https://www.nxtbook.com/newpress/jeccomposites/jcm1304_80
https://www.nxtbook.com/newpress/jeccomposites/jcm1303_79
https://www.nxtbook.com/newpress/jeccomposites/jcm1301_78
https://www.nxtbook.com/newpress/jeccomposites/jcm1212_77
https://www.nxtbook.com/newpress/jeccomposites/jcm1210_76
https://www.nxtbook.com/newpress/jeccomposites/jcm1208_75
https://www.nxtbook.com/newpress/jeccomposites/jcm1207_74
https://www.nxtbook.com/newpress/jeccomposites/jcm1206_73
https://www.nxtbook.com/newpress/jeccomposites/jcm1204_72
https://www.nxtbook.com/newpress/jeccomposites/jcm1203_71
https://www.nxtbook.com/newpress/jeccomposites/jcm1201_70
https://www.nxtbook.com/newpress/jeccomposites/jcm1111_69
https://www.nxtbook.com/newpress/jeccomposites/jcm1110_68
https://www.nxtbook.com/newpress/jeccomposites/jcm1108_67
https://www.nxtbook.com/newpress/jeccomposites/jcm1107_66
https://www.nxtbook.com/newpress/jeccomposites/jcm1105_65
https://www.nxtbook.com/newpress/jeccomposites/jcm1104_64
https://www.nxtbook.com/newpress/jeccomposites/jcm1103_63
https://www.nxtbook.com/newpress/jeccomposites/jcm1101_62
https://www.nxtbook.com/newpress/jeccomposites/jcm1011_61
https://www.nxtbook.com/newpress/jeccomposites/jcm1010_60
https://www.nxtbook.com/newpress/jeccomposites/jcm1009_59
https://www.nxtbook.com/newpress/jeccomposites/jcm1006_58
https://www.nxtbook.com/newpress/jeccomposites/jcm1005_57
https://www.nxtbook.com/newpress/jeccomposites/jcm1004_56
https://www.nxtbook.com/newpress/jeccomposites/jcm1003_55
https://www.nxtbook.com/newpress/jeccomposites/jcm1001_54
https://www.nxtbook.com/newpress/jeccomposites/jcm0911_53
https://www.nxtbook.com/newpress/jeccomposites/jcm0910_52
https://www.nxtbook.com/newpress/jeccomposites/jcm0909_51
https://www.nxtbook.com/newpress/jeccomposites/jcm0907-08_50
https://www.nxtbook.com/newpress/jeccomposites/jcm0906_49
https://www.nxtbook.com/newpress/jeccomposites/jcm0904_48
https://www.nxtbook.com/newpress/jeccomposites/jcm0903_47
https://www.nxtbook.com/newpress/jeccomposites/jcm0901_46
https://www.nxtbook.com/newpress/jeccomposites/jcm0811_45
https://www.nxtbook.com/newpress/jeccomposites/jcm0810_44
https://www.nxtbook.com/newpress/jeccomposites/jcm0809_43
https://www.nxtbook.com/newpress/jeccomposites/jcm0807_42
https://www.nxtbook.com/newpress/jeccomposites/jcm0806_41
https://www.nxtbook.com/newpress/jeccomposites/jcm0805_40
https://www.nxtbook.com/newpress/jeccomposites/jcm0803_39
https://www.nxtbook.com/newpress/jeccomposites/jcm0801_38
https://www.nxtbook.com/newpress/jeccomposites/jcm0712_37
https://www.nxtbook.com/newpress/jeccomposites/jcm0710_36
https://www.nxtbook.com/newpress/jeccomposites/jcm0709_35
https://www.nxtbook.com/newpress/jeccomposites/jcm0707_34
https://www.nxtbook.com/newpress/jeccomposites/jcm0706_33
https://www.nxtbookmedia.com