JEC COMPOSITES MAGAZINE - Issue #105 - June 2016 - 51

Destructive and non-destructive testing of composites for
design and manufacture
Early in the design cycle, the modelling and simulation of composite
components for use in demanding structural applications requires
a detailed knowledge of the properties of these anisotropic and
inhomogeneous materials. The determination of these properties
requires a wide range of mechanical tests, possibly over a range of
temperatures, on materials conditioned in a variety of different environments. Later in the design cycle, mechanical tests on composite
components are often employed to validate models by comparing
model predictions to measurements on prototypes.

By
Ian McEntEggart,
coMposItEs MarkEtIng ManagEr, Instron
guy tollEy, BusInEss DEvElopMEnt ManagEr,
shEng yuE, Isg applIcatIons ManagEr,
north star IMagIng

D

uring manufacturing, various non-destructive inspection methods are employed to ensure that parts conform to
specifications and are free from significant
defects. One of the most exciting recent
developments in non-destructive testing is
the use of computerised tomography (CT)
- a technique that uses X-rays to produce a
3D representation of the internal structure
of an object. This 3D representation makes
it possible to quantify defects within a composite, allowing measurement of the size
and location of voids, the density and total
volume of voids, and the local/global fibre
orientation and concentration.
Figure 1 shows two views of a 3D CT reconstruction of a composite plate with a wrinkle

- Destructive and nondestructive testing of
composites for design and
manufacture ................p51
- Joining dissimilar
materials without adhesives: innovation to reduce
weight and costs ..........p55

defect. In the first image, the intensity is proportional to the density and in the second
image, the density is colour coded. The CT
model can be manipulated in real-time 3D
and it is also possible to slice through in any
direction for internal inspection.

Technologies & Innovations

testing

Determining material
properties for modelling and
simulation - static properties
Determining the static bulk properties of a
composite laminate requires a range of mechanical tests (tension, compression, shear
and flexure). In most cases, the properties of
interest are in-plane properties (in the same
plane as the lamination), but in some cases
the through-thickness properties (in a direction normal to the plane of the laminate) are
also required.

Fig. 1: 3D reconstruction of a composite plate

No105 June 2016 /

jec composites magazine 51



Table of Contents for the Digital Edition of JEC COMPOSITES MAGAZINE - Issue #105 - June 2016

Cover
Edito
Point of view: eastern promises
Contents
COMPANY & BUSINESS
APPLICATIONS
Quickstep contract to open up South Korean automotive market
Development
Design methods
Agenda of Events
APPLICATIONS
Aeronautics
Kayak
Robot
MARKET
Software
Brazil
FEATURE SIMULATION
Flow simulation
Microstructure
Damage
3D-printing
Data
Data
RESEARCH & DEVELOPMENT
Smart composites
Laser cutting
TECHNOLOGY & INNOVATIONS
Testing
Efficiency
Index
In the world
JEC COMPOSITES MAGAZINE - Issue #105 - June 2016 - Cover
JEC COMPOSITES MAGAZINE - Issue #105 - June 2016 - 2
JEC COMPOSITES MAGAZINE - Issue #105 - June 2016 - Edito
JEC COMPOSITES MAGAZINE - Issue #105 - June 2016 - Point of view: eastern promises
JEC COMPOSITES MAGAZINE - Issue #105 - June 2016 - 5
JEC COMPOSITES MAGAZINE - Issue #105 - June 2016 - Contents
JEC COMPOSITES MAGAZINE - Issue #105 - June 2016 - 7
JEC COMPOSITES MAGAZINE - Issue #105 - June 2016 - Quickstep contract to open up South Korean automotive market
JEC COMPOSITES MAGAZINE - Issue #105 - June 2016 - 9
JEC COMPOSITES MAGAZINE - Issue #105 - June 2016 - Development
JEC COMPOSITES MAGAZINE - Issue #105 - June 2016 - 11
JEC COMPOSITES MAGAZINE - Issue #105 - June 2016 - Design methods
JEC COMPOSITES MAGAZINE - Issue #105 - June 2016 - 13
JEC COMPOSITES MAGAZINE - Issue #105 - June 2016 - Agenda of Events
JEC COMPOSITES MAGAZINE - Issue #105 - June 2016 - 15
JEC COMPOSITES MAGAZINE - Issue #105 - June 2016 - Ad1
JEC COMPOSITES MAGAZINE - Issue #105 - June 2016 - Ad2
JEC COMPOSITES MAGAZINE - Issue #105 - June 2016 - Aeronautics
JEC COMPOSITES MAGAZINE - Issue #105 - June 2016 - Kayak
JEC COMPOSITES MAGAZINE - Issue #105 - June 2016 - Robot
JEC COMPOSITES MAGAZINE - Issue #105 - June 2016 - Software
JEC COMPOSITES MAGAZINE - Issue #105 - June 2016 - 20
JEC COMPOSITES MAGAZINE - Issue #105 - June 2016 - 21
JEC COMPOSITES MAGAZINE - Issue #105 - June 2016 - 22
JEC COMPOSITES MAGAZINE - Issue #105 - June 2016 - 23
JEC COMPOSITES MAGAZINE - Issue #105 - June 2016 - Brazil
JEC COMPOSITES MAGAZINE - Issue #105 - June 2016 - 25
JEC COMPOSITES MAGAZINE - Issue #105 - June 2016 - Flow simulation
JEC COMPOSITES MAGAZINE - Issue #105 - June 2016 - 27
JEC COMPOSITES MAGAZINE - Issue #105 - June 2016 - 28
JEC COMPOSITES MAGAZINE - Issue #105 - June 2016 - Microstructure
JEC COMPOSITES MAGAZINE - Issue #105 - June 2016 - 30
JEC COMPOSITES MAGAZINE - Issue #105 - June 2016 - Damage
JEC COMPOSITES MAGAZINE - Issue #105 - June 2016 - 32
JEC COMPOSITES MAGAZINE - Issue #105 - June 2016 - 33
JEC COMPOSITES MAGAZINE - Issue #105 - June 2016 - 3D-printing
JEC COMPOSITES MAGAZINE - Issue #105 - June 2016 - 35
JEC COMPOSITES MAGAZINE - Issue #105 - June 2016 - Data
JEC COMPOSITES MAGAZINE - Issue #105 - June 2016 - 37
JEC COMPOSITES MAGAZINE - Issue #105 - June 2016 - Data
JEC COMPOSITES MAGAZINE - Issue #105 - June 2016 - 39
JEC COMPOSITES MAGAZINE - Issue #105 - June 2016 - 40
JEC COMPOSITES MAGAZINE - Issue #105 - June 2016 - 41
JEC COMPOSITES MAGAZINE - Issue #105 - June 2016 - Smart composites
JEC COMPOSITES MAGAZINE - Issue #105 - June 2016 - 43
JEC COMPOSITES MAGAZINE - Issue #105 - June 2016 - 44
JEC COMPOSITES MAGAZINE - Issue #105 - June 2016 - 45
JEC COMPOSITES MAGAZINE - Issue #105 - June 2016 - Laser cutting
JEC COMPOSITES MAGAZINE - Issue #105 - June 2016 - 47
JEC COMPOSITES MAGAZINE - Issue #105 - June 2016 - 48
JEC COMPOSITES MAGAZINE - Issue #105 - June 2016 - 49
JEC COMPOSITES MAGAZINE - Issue #105 - June 2016 - 50
JEC COMPOSITES MAGAZINE - Issue #105 - June 2016 - Testing
JEC COMPOSITES MAGAZINE - Issue #105 - June 2016 - 52
JEC COMPOSITES MAGAZINE - Issue #105 - June 2016 - 53
JEC COMPOSITES MAGAZINE - Issue #105 - June 2016 - 54
JEC COMPOSITES MAGAZINE - Issue #105 - June 2016 - Efficiency
JEC COMPOSITES MAGAZINE - Issue #105 - June 2016 - 56
JEC COMPOSITES MAGAZINE - Issue #105 - June 2016 - Index
JEC COMPOSITES MAGAZINE - Issue #105 - June 2016 - In the world
JEC COMPOSITES MAGAZINE - Issue #105 - June 2016 - 59
JEC COMPOSITES MAGAZINE - Issue #105 - June 2016 - 60
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