27 / 50
A D V A N C E D
M A T E R I A L S
&
P R O C E S S E S |
M A Y
2 0 1 6
2 7
Fig. 6 —
Robotic cold spraying (a) and
post-machining (b) operations.
Fig. 7 —
Repaired and finished components:
(a) Pilot OD, (b) stator bore ID, (c) housing
mating surface, and (d) housing bore.
Courtesy of L.J. Walch.
Fig. 8 —
Relative cost of cold spray repair versus replacement for IDGs. Courtesy of L.J. Walch.
in commercial aircraft. The process
enables the aerospace industry to
recover high-value and irreplaceable
components that otherwise would be
scrapped—at a fraction of their replace-
ment cost—thus maximizing profitabil-
ity.
~AM&P
For more information:
Julio Villa-
fuerte is a corporate technology strat-
egist at CenterLine (Windsor) Ltd.,
415 Morton Dr., Windsor, Ontario N9J
3T8, 519.734.8464,
julio.villafuerte@ cntrline.com,
www.cntrline.com.
Acknowledgments
The authors acknowledge valu-
able contributions made by CenterLine
(Windsor) Ltd. and L.J. Walch.
References
1. A.P. Alkhimov, et al., Gas-Dynamic
Spraying Method for Applying a
Coating, U.S. Patent 5,302,414,
April 12, 1994.
2. A.I. Kashirin, O.F. Klyuev, and T.V.
Buzdygar, Apparatus For Gas-Dynamic
Coating, U.S. Patent 6,402,050, June
11, 2002.
(a)
(b)
(a)
(b)
(c)
(d)