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1 Stressonic ® Process Primary Pump Shaft Applications. Stressonic ® Process by Sonats for Primary Pump Shaft
1 Stressonic® Process
Primary Pump Shaft Applications.
Stressonic® Process
by Sonats
for Primary Pump
Shaft
Sonats customer list for
Primary Pump Shaft by
Stressonic®
2 Stressonic® Process
Primary Pump Shaft Applications
3 Stressonic® Process
Stressonic® Application :
Primary Pump Shaft
Application :
Reduce the Thermal Fatigue Cracking
under the thermal flange onto the
Primary Pump Shaft.
Customer :
JEUMONT Industrie,
an AREVA subsidiary,
France location.
Where is the STRESSONIC® Equipment :
There is 2 equipments : one is onto the Repaired
Contaminated Plant and the other is onto the
Manufacturing Plant. Both equipments are in France
Primary Pump Shaft Applications
4 Stressonic® Process
Primary Pump Shaft Applications.
Stressonic® Application :
Primary Pump Shaft
Primary Pump
Shaft
Plant
5 Stressonic® Process
Primary Pump Shaft Applications.
Stressonic® Application :
Primary Pump Shaft
JEUMONT Industrie
STRESSONIC® treatment of a
primary pump shaft on site
Primary Pump
Shaft
Primary Pump
Shaft
Acoustic BlockAcoustic Block
Control UnitControl Unit
The application is made onto the shaft length
after removing the cracks. The crack is
removed by turning. Then, after this
operation, the STRESSONIC® process is
applied directly onto the turning lathe.
This STRESSONIC® peening operation is
made into the Repaired Contaminated Center
6 Stressonic® Process
Primary Pump Shaft Applications.
Stressonic® Application :
Primary Pump Shaft
The application is made onto the shaft length
after removing the cracks. The crack is
removed by turning. Then, after this
operation, the STRESSONIC® process is
applied directly onto the turning lathe.
This STRESSONIC® peening operation is
made onto Manufactured Parts
Primary Pump
Shaft
Primary Pump
Shaft
7 Stressonic® Process
Primary Pump Shaft Applications.
Stressonic® Application :
Primary Pump Shaft
STRESSONIC® Parameters :
Material to be peened : Stainless steel 347,
Type of balls : 304L – Ø2,00 mm,
Amplitude : 60 µm c/c,
Coverage : 150 %
Roughness
Before
After
Circumferential
Ra = 0,19 µm
Rt = 1,52 µm
Longitudinal
Ra = 1,98 µm
Rt = 13,57 µm
Circumferential
Ra = 1,95 µm
Rt = 10,67 µm
Longitudinal
Ra = 2,02 µm
Rt = 13,15 µm
Stressonic®
8 Stressonic® Process
Primary Pump Shaft Applications.
Stressonic® Application :
Primary Pump Shaft
Residual Stress
-500
-450
-400
-350
-300
-250
-200
-150
-100
-50
0
0 20 40 60 80 100 120 140 160 180 200 220 240
Depth [µm]
Str
ess
[M
Pa
]
STRESSONIC® Condition #4 - Longitudinal Direction
STRESSONIC® Condition #4 - Circumferential Direction
Stressonic® Application :
Pipes for Cooling
9 Stressonic® Process
Primary Pump Shaft Applications.
Application :
Reduce the Thermal Fatigue Cracking
into Stainless steel Pipes Ø700 mm
(Primary Circuit).
Customer :
COMEX, an ONET
subsidiary, France
location.
Where is the STRESSONIC® Equipment :
For repairing after Cracks discovery and repairing.
The equipment is dedicated for Power Plant.
Primary Circuit
Reactor Cooling
Pipe : RCP Pipe
Reactor Cooling
Pipe : RCP Pipe
10 Stressonic® Process
Stressonic® Application :
Pipes for Cooling
Primary Pump Shaft Applications.
Main shroud of
Power Plant
11 Stressonic® Process
Stressonic® Application :
Pipes for Cooling
Ø3” & Ø4”
Pipes
Ø3” & Ø4”
Pipes
700 mm internal
diameter Pipe
700 mm internal
diameter Pipe
Primary Pump Shaft Applications.
12 Stressonic® Process
Stressonic® Application :
Pipes for Cooling
Peening of the inside of the pipe Ø700 mm
Primary Pump Shaft Applications.
13 Stressonic® Process
Stressonic® Application :
Pipes for Cooling
STRESSONIC® Parameters :
Material to be peened : Z2CND18-12 (Forged),
Type of balls : 304L – Ø4,00 mm,
Amplitude : 35 µm c/c,
Coverage : 125 %,
Distance of Treatment : 25 mm.
Peening of the inside of the pipe Ø700 mm
Primary Pump Shaft Applications.
14 Stressonic® Process
Stressonic® Application :
Pipes for Cooling
Peening of the pipe Ø3” and Ø4”
Primary Pump Shaft Applications.
15 Stressonic® Process
Stressonic® Application :
Pipes for Cooling
STRESSONIC® Parameters :
Material to be peened : Z2CND18-12,
Type of balls : 304L – Ø4,00 mm,
Amplitude : 35 µm c/c,
Coverage : 125 %.
Peening of the pipe Ø3” and Ø4”
Primary Pump Shaft Applications.
16 Stressonic® Process
Stressonic® Application :
Pipes for Cooling
Peening onto a surface with Ra < 3,20 µm Before Treatment
MACHINED SURFACE
Before STRESSONIC® :
Roughness : Residual Stress :
Ra = 0,55 µm,
Rt = 6,52 µm,
Rz = 4,21 µm.
Surface : - 425 MPa
25 µm : + 25 MPa
After STRESSONIC® :
Roughness : Residual Stress :
Ra = 1,55 µm,
Rt = 9,98 µm,
Rz = 6,34 µm.
Surface : - 499 MPa
40 µm : - 283 MPa
100 µm : - 169 MPa
200 µm : - 170 MPa
Primary Pump Shaft Applications.
17 Stressonic® Process
Stressonic® Application :
Pipes for Reactor Cooling
Peening onto a surface with Ra < 3,20 µm Before Treatment
MACHINED + WELDED SURFACE
Before STRESSONIC® :
Roughness : Residual Stress :
Ra = 1,16 µm,
Rt = 11,38 µm,
Rz = 7,76 µm.
Surface : - 261 MPa
After STRESSONIC® :
Roughness : Residual Stress :
Ra = 1,71 µm,
Rt = 9,61 µm,
Rz = 6,11 µm.
Surface : - 462 MPa
40 µm : - 255 MPa
100 µm : - 240 MPa
200 µm : - 229 MPa
Primary Pump Shaft Applications.
18 Stressonic® Process
Stressonic® Application :
Pipes for Cooling
Peening onto a surface with Ra < 3,20 µm Before Treatment
Austenitic Transformation Validation
Before STRESSONIC®
After STRESSONIC®
Ref. Test : Rate [%] Rate [%]
# 1 98,00 99,00
# 2 99,00 98,00
# 3 98,00 97,00
Average : 98,33 98,00
Primary Pump Shaft Applications.
19 Stressonic® Process
Stressonic® Application :
Pipes for Cooling
Peening onto a surface with Ra < 3,20 µm Before Treatment
Hardness After STRESSONIC®
Depth under Surface [FORGED] Hardness
0,025 mm 326 HV0,1
0,050 mm 334 HV0,1
0,100 mm 331 HV0,1
Primary Pump Shaft Applications.
20 Stressonic® Process
Stressonic® Application :
Pipes for Cooling
Application :
Reduce the Stress Cracking Corrosion
onto Stainless steel engine parts for
Submarines.
Customer :
TECHNICATOME, an
AREVA subsidiary,
France location.
Where is the STRESSONIC® Equipment :
Sonats developed the qualification and make the Field
job with Sonats Tooling. The job is made into Repair
Center (Contaminated area) in France.
Primary Pump Shaft Applications.
21 Stressonic® Process
Stressonic® Application :
Pipes for Cooling
StressVoyager®
Central unit
StressVoyager®
Central unit
Acoustic BlockAcoustic Block
Part : PipePart : Pipe
Primary Pump Shaft Applications.
22 Stressonic® Process
Stressonic® Application :
Partition Plate
Application :
Introduce Compressive Stresses after
repairing the Cracks onto the Partition
Plate of the French Power Plants.
Customer :
FRAMATOME ANP, an
AREVA subsidiary,
France location.
Where is the STRESSONIC® Equipment :
In France.
The strategy is to use this equipment after each repair
each time a crack is discovered.
Primary Pump Shaft Applications.
23 Stressonic® Process
Stressonic® Application :
Partition Plate
STRESSONIC® Head Holder
onto a Robotic System
StressVoyager®
Central Unit
Primary Pump Shaft Applications.
24 Stressonic® Process
Stressonic® Application :
Partition Plate
The application is to introduce high
compressive residual stresses on Nickel
alloy (Partition Plate) after Repairing by
Machining and / or Machining + Welding
Primary Pump Shaft Applications.
25 Stressonic® Process
Stressonic® Application :
Partition Plate
The application is to introduce high
compressive residual stresses on Nickel
alloy (Partition Plate) after Repairing by
Machining and / or Machining + Welding
STRESSONIC® Parameters :
Material to be peened : I600 & I690,
Type of balls : I718 – Ø4,00 mm,
Amplitude : 70 µm c/c,
Coverage : 125 %,
Distance of Treatment : From 20 to 80 mm
Primary Pump Shaft Applications.
26 Stressonic® Process
Stressonic® Application :
Partition Plate
Residual Stress on APP sample.
Before STRESSONIC®
Treatment
Profils de contraintes sur éprouvette APPP
-600
-500
-400
-300
-200
-100
0
100
0 100 200 300 400 500 600 700 800
Profondeurs (µm)
Co
ntr
ain
tes
(MP
a)
Condition C5 Point 3
Condition C4 Point 3
Zone Brute
Condition C4 Point 1
Condition C6 Point 3
Condition C7 Point 3
Profils de contraintes sur éprouvette APPP
-600
-500
-400
-300
-200
-100
0
100
0 100 200 300 400 500 600 700 800
Profondeurs (µm)
Co
ntr
ain
tes
(MP
a)
Condition C5 Point 3
Condition C4 Point 3
Zone Brute
Condition C4 Point 1
Condition C6 Point 3
Condition C7 Point 3
Different STRESSONIC®
Condition
Primary Pump Shaft Applications.
27 Stressonic® Process
Stressonic® Application :
J-Weld
Application :
Introduce Compressive Stresses after
onto the J-Weld area – Top Nozzle
penetration.
Customer :
MITSUBISHI Heavy
Industry, Div. Japan.
Where is the STRESSONIC® Equipment :
In Japan.
Primary Pump Shaft Applications.
28 Stressonic® Process
Stressonic® Application :
J-Weld
Primary Pump Shaft Applications.
