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3.1.3 Developments in new materials GapFill
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Modern materials have been developed through the invention of new or improved processes.
is an example of a modern material. Titanium is another modern material. It is lightweight and
and it is usually used for aircraft parts and
. Metal foams are generally made from a base metal of
. They are gas-filled to increase their
. Some modern materials such as Liquid Crystal Displays (LCDs) can alter their appearance. LCDs respond to
. Nanomaterials have significant strength properties. They are however very small with one nanometer being one
of a metre. Smart materials respond to external stimuli such as heat and pressure.
are examples of smart materials. Photochromic pigments change in response to
. Composite materials are produced by combining two or more different materials.
is an example of a composite material. Many new textiles have been developed to produce enhanced fabrics. Conductive fabrics include conductive materials such as
. The technique whereby fabrics have solid substances inside them is known as
.