Aerospace & Defense Technology - August 2021 - 8

Curing the
Porosity Problem in
A
dditive manufacturing, also
known as 3D printing, allows
the fast and cost-effective
production of complex
high-quality components in a range of
materials. The rise of this technology
has been fast, and it is rapidly altering
the manufacturing landscape.
In 2019, the global additive manufacturing
market size was valued at $11.58
billion and is predicted to grow at a
CAGR (compound annual growth rate)
exceeding 14% from 2020 to 2027
(GVR). Additionally, research from Deloitte
shows that additive manufacturing
is empowering industry 4.0.
3D printing was once a revolutionary
piece of technology, but it has now become
a mainstream process in a number
of industries. From the automotive industry
relying on additive manufacturing
for jigs, fixtures and grips, to aerospace
using it for functional aircraft
components, 3D printing has seen a significant
growth in applications recently.
Due to its clean and simple process, additive
manufacturing produces highquality
components and removes the
need for expensive tooling and machining.
3D printing is also a cost-effective,
quick way to produce prototypes, oneoffs
and components in low volumes,
and is particularly suited to making
small and intricate parts.
An Invisible Porosity Problem
While some industry pain points are
removed as manufacturing technology
evolves, one legacy challenge still remains:
porosity. During the additive
manufacturing process, microscopic
holes that are invisible to the naked eye
are formed within the body of the part.
Known as porosity, this is already an inherent
issue with diecast components,
and while the cause and application
8
Intro
Cov
Additive
Manufacturing
Additive manufactured plenum chamber vacuum impregnated to prevent
pressure loss through component porosity.
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Aerospace & Defense Technology - August 2021

Table of Contents for the Digital Edition of Aerospace & Defense Technology - August 2021

Aerospace & Defense Technology - August 2021 - Intro
Aerospace & Defense Technology - August 2021 - Sponsor
Aerospace & Defense Technology - August 2021 - Cov1
Aerospace & Defense Technology - August 2021 - Cov2
Aerospace & Defense Technology - August 2021 - 1
Aerospace & Defense Technology - August 2021 - 2
Aerospace & Defense Technology - August 2021 - 3
Aerospace & Defense Technology - August 2021 - 4
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Aerospace & Defense Technology - August 2021 - 8
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Aerospace & Defense Technology - August 2021 - Cov3
Aerospace & Defense Technology - August 2021 - Cov4
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