Diesel Engines and Road Transport
SR.NO.
TYPICAL APPLICATION
COATING TYPE
MACRO HARDNESS
COATING FUNCTION
RECOMMENDED PROCESS
1
CYLINDER LINER
SS
35 HRc
CORROSION / CAVITATION RESISTANCE
P / D
2
CRANK SHAFT MAIN BEARING JOURNAL
SS
35 HRc
WEAR RESISTANCE / REBUILD
P / D
3
CONNECTING ROD BEARING
SS, Cr2O3
35,52-70 HRc
FRETTING WEAR RESISTANCE
P / D
4
CYLINDER HEAD
SS
35 HRc
FRETTING WEAR RESISTANCE
P / D
5
SYNCROMESH CONE / RING
Mo
--
WEAR RESISTANCE
M / P / D
6
CLUTCH DIAPHRAGM
Mo
--
WEAR RESISTANCE
M / P / D
7
SHIFTER FORKS
Mo
--
ADHESIVE WEAR RESISTANCE
M / P / D
8
PISTON RINGS
Mo
--
WEAR RESISTANCE
A / D / M /P
9
CAMSHAFT BEARING JOURNAL
SS
35 HRc
ABRASIVE WEAR RESISTANCE
P / D
10
FLYWHEEL HOUSING
SS
35 HRc
WEAR RESISTANCE
P / D
A : WIRE ARC SPRAY PROCESS
D : DETONATION SPRAY PROCESS
P : PLASMA SPRAY PROCESS
H : HVOF SPRAY PROCESS
M : METALLIZING-WIRE FLAME SPRAY PROCESS

PF : POWDER FLAME SPRAY PROCESS