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r resistant nickel based composite coating for aerospace
and automobile applications
Nickel
Composite
coating
Coated Trochoid of Wankel (rotary) engine Coated reciprocating engine
Aluminium alloys are being Year of Development : 2004-2009
adopted in IC engines for strategic
and automotive applications. Application
However, due to the inherently poor
wear resistance of these alloys a ¡¡ Used in rotary and reciprocating
protective coating is required to engines of light weight aircrafts,
enhance the performance of the UAV’s, micro UAV, hang gliders
engines. A nickel based composite and automobiles.
coating has been developed
through simple electrodeposition Salient Technical Features
process which is comparatively
cheaper in comparison to the other ¡¡ The coating has a microhardness
methods adopted for depositing of >400 VHN for a thickness of
such wear resistant coatings. The ≥100 microns.
result is a co-deposited composite
coating with a high hardness, due ¡¡ T he coating is obtained by a simple
to the presence of carbide particles and economical chemical method
thereby resulting in enhanced wear and hence, there is flexibility in
resistance. Nickel based composite thickness and properties.
coating of thickness in the range
of 50 to 300µm can be deposited Level/Scale of Development : TRL-7
on both rotary and reciprocating ¡¡ Coated on Trochoid of CSIR-
engines.
NAL’s indigenous 55hp and 65hp
Wankel Engines and flight tested
successfully in UAV-NISHANT. Test-
ed on automobile engines.
AS 23
and automobile applications
Nickel
Composite
coating
Coated Trochoid of Wankel (rotary) engine Coated reciprocating engine
Aluminium alloys are being Year of Development : 2004-2009
adopted in IC engines for strategic
and automotive applications. Application
However, due to the inherently poor
wear resistance of these alloys a ¡¡ Used in rotary and reciprocating
protective coating is required to engines of light weight aircrafts,
enhance the performance of the UAV’s, micro UAV, hang gliders
engines. A nickel based composite and automobiles.
coating has been developed
through simple electrodeposition Salient Technical Features
process which is comparatively
cheaper in comparison to the other ¡¡ The coating has a microhardness
methods adopted for depositing of >400 VHN for a thickness of
such wear resistant coatings. The ≥100 microns.
result is a co-deposited composite
coating with a high hardness, due ¡¡ T he coating is obtained by a simple
to the presence of carbide particles and economical chemical method
thereby resulting in enhanced wear and hence, there is flexibility in
resistance. Nickel based composite thickness and properties.
coating of thickness in the range
of 50 to 300µm can be deposited Level/Scale of Development : TRL-7
on both rotary and reciprocating ¡¡ Coated on Trochoid of CSIR-
engines.
NAL’s indigenous 55hp and 65hp
Wankel Engines and flight tested
successfully in UAV-NISHANT. Test-
ed on automobile engines.
AS 23
