Aerospace & Defense Technology - December 2021 - 20

Additive Manufacturing
240
220
200
180
160
140
120
100
Note: typical tensile properties in build direction (Z)
Ti-64
5
10
% Elongation
Figure 3. Typical tensile properties of Ti-64 and ATI Titan 23TM from LPBF material. Due to the heat treatability
of ATI Titan 23TM, tensile properties can be tailored using heat treatment to suit a variety of applications.
both Electron Beam Melting and Direct
Metal Laser Sintering are geared toward
exacting and demanding performance
environments, addressing demanding
applications in aerospace, defense and
medical markets.
After internal production of ATI Titan
23™ powder and LPBF samples, it was
found that the alloy lacks martensitic
structure due to its slow precipitation
kinetics. This leads to parts with lower
residual stresses and distortions that are
three-times less compared to the same
parts printed using Ti-64 (Figure 2). The
reduced part failure due to lower part
distortion allows ATI Titan 23™ to be
used where Ti-64 is not an option. In
addition, due to the heat treatability of
beta-rich alloys, ATI Titan 23™ can be
heat treated in a variety of ways to produce
a full range of mechanical properties
to suit the application.
15
20
Depending on the heat treatment
used, ATI Titan 23™ is able to generate
tensile properties 20% higher
than Ti-64 (Figure 3). The combination
of printability and heat treatability
of beta-rich alloys, and in particular
with ATI Titan 23™, make this
alloy selection a potential solution
for challenging titanium parts made
in LPBF systems.
As the acceptance and application of
additive manufacturing technology
continues to evolve and grow, alloy selection
will prove to be an important
part of the development process. Selecting
the right material up front can
increase chances of success and open
the door to new applications and performance
enhancements. This journey
continues for beta titanium alloys with
the next phase of development with
ATI Titan 23™ underway, including
partnering with customers to solve
their challenges and further explore
the possibilities of next-generation additive
parts.
This article was written by Richard Merlino,
Senior Director of Additive Manufacturing;
Brian Morrison, Director of Additive
Manufacturing; and Matias Garcia-Avila,
Ph.D., Principal Engineer in Additive Manufacturing
Research and Development; Allegheny
Technologies Incorporated (ATI)
(Pittsburgh, PA). For more information,
visit http://info.hotims.com/79420-503.
XGL Family
Ultra-low Loss Power Inductors
* The industry's lowest DCR and ultra-low AC losses
across a wide frequency range
* Inductance values ranging from 82 nH to 47 μH
* Isat ratings up to 43 Amps with soft saturation
* Qualified to AEC-Q200 Grade 1 (−40°C to +125°C)
Request Free Samples @ coilcraft.com
20
Free Info at http://info.hotims.com/79420-738
Intro
Cov
ToC
+
Aerospace & Defense Technology, December 2021
-
A
µ
ATI Titan 23™ Tensile Properties
Yield Strength (ksi)
È
http://info.hotims.com/79420-503 http://info.hotims.com/79420-738 http://info.hotims.com/79420-922

Aerospace & Defense Technology - December 2021

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

Aerospace & Defense Technology - December 2021 - Intro
Aerospace & Defense Technology - December 2021 - Sponsor
Aerospace & Defense Technology - December 2021 - Cov1
Aerospace & Defense Technology - December 2021 - Cov2
Aerospace & Defense Technology - December 2021 - 1
Aerospace & Defense Technology - December 2021 - 2
Aerospace & Defense Technology - December 2021 - 3
Aerospace & Defense Technology - December 2021 - 4
Aerospace & Defense Technology - December 2021 - 5
Aerospace & Defense Technology - December 2021 - 6
Aerospace & Defense Technology - December 2021 - 7
Aerospace & Defense Technology - December 2021 - 8
Aerospace & Defense Technology - December 2021 - 9
Aerospace & Defense Technology - December 2021 - 10
Aerospace & Defense Technology - December 2021 - 11
Aerospace & Defense Technology - December 2021 - 12
Aerospace & Defense Technology - December 2021 - 13
Aerospace & Defense Technology - December 2021 - 14
Aerospace & Defense Technology - December 2021 - 15
Aerospace & Defense Technology - December 2021 - 16
Aerospace & Defense Technology - December 2021 - 17
Aerospace & Defense Technology - December 2021 - 18
Aerospace & Defense Technology - December 2021 - 19
Aerospace & Defense Technology - December 2021 - 20
Aerospace & Defense Technology - December 2021 - 21
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Aerospace & Defense Technology - December 2021 - 30
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Aerospace & Defense Technology - December 2021 - 33
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Aerospace & Defense Technology - December 2021 - 40
Aerospace & Defense Technology - December 2021 - Cov3
Aerospace & Defense Technology - December 2021 - Cov4
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