Asta co.

1
?????? ??? ?? ??????? ?? ???????? ??? ????
( NDT )
???? ? ????? ????? ???? ?????
???? ??? ?????? ???? ( ???? ????? ???????
???????? )
2
????? ??????? ?? ?? ??????? ( ??? ???? ) ??
????? ????? ??? ??? ?? ?? ??? ????? ?? ?????? ???
?? ???? ??? ? ?? ????? ???? ?? ???? ?? ? ??
??????? ?? ??? ??????? ?? ???? ?? ???? ??????
.??? ? ???? ??? ??? ?? ????? ??????? ??? ? ?????
??? ??? ? ????? ?? ?? ??? ??? ???? ??????? ??????
.
3
1 - ??????? ???? ?? ??????? ????? ??? SMAW (
Shielding Metal Arc Welding ) 2 ??????? ???? ??
?????? ??? GMAW (Gas Metal Arc Welding ) 3
??????? ?? ??????? ?????? ? ??? ???? TIG
(Tungsten Inert Gas arc welding ) 4 - ???????
???? ??? ????? SAW (Submerged Arc Welding ) 5
??????? ??? ??? ?? ??? ????? ???? ( ????? ) MIG (
Metal Inert Gas arc welding ) 6 ??????? ??? ???
?? ??? ????? CO2 MAG ( Metal Active Gas arc
welding )
????? ?????? ???????
4
????? ???????? ??????
???????? ???? (DT) Destructive Test
???????? ??? ???? (NDT ) Non Destructive Test
5
???????? ???? ( DT )
?? ??? ??? ??? ? ????????? ????? ?? ??? ????? ???
????????? ???? ??? ?? ????? ???? ?????
????? ????? ? ?? ?? ????? ??? ????? ?? ??? ??
??? .

• ???? ?????
• ?? ????? ????
• ????? ??????? ??? ????? ?? ????? ??

????? ???
6
???????? ??? ????( NDT ) ??? ?? ?????? ???
???? ?? ??????? ?? ?????? ????? ????? ?? ?? ????
?????? ?? ???? ???? ????? ?? ?? ??? ???? ?? ????
? ???? ????? ???? ?????? .

• ?? ?????? DT ?? ?? ????? ?????? ? ???? ??????
  ??? ?? ?? ??? ????? .
• ?? ?????? DT ??????? ???? ??????? ?? ??? ??????
  ???? ??? ? ???? ?? ???? Random ?????? ?? ????? ??
  ?? ??? ?????? ???? ??? .
• ?? ?????? DT ???? ?? ???? ????? ????????? ????
  ???? ?? ???? ?????? ??? ????? ?????? ??? .

???????? DT ? NDT
????????? DT ? NDT ?? ??? ?????? ???? ?????? ?
????? ?? ??? ???? ?? ????? ?? ??? ???? ?????? .
7
?????? ?????? NDT
?????? ???? Visual Test
(
VT ) ?????? ?? ?????? ???? Liquid Penetrant Test
(
PT ) ?????? ?? ???? ???????? Magnetic Particle
Test ( MT
) ?????? ?????????? Radiographic Test
( RT
) ?????? ?? ????? ??????????? Ultrasonic Test
(
UT ) ?????? ?? ????? ?????? Eddy Current Test
(
ET ) ?????? ?? ?????? ????? ???? Acoustic
Emission Test (
AET )
?????? ???? Visual Test
(
VT ) ?????? ?? ?????? ???? Liquid Penetrant Test
(
PT ) ?????? ?? ???? ???????? Magnetic Particle
Test ( MT
) ?????? ?????????? Radiographic Test
( RT
) ?????? ?? ????? ??????????? Ultrasonic Test
(
UT ) ?????? ?? ????? ?????? Eddy Current Test
(
ET ) ?????? ?? ?????? ????? ???? Acoustic
Emission Test (
AET )
8

• VT ( Visual Test )
• ?????? ????

???? ??? ?????? ????
9

• ?????
• ????? ???? ? ???? ???? ???
• ??? ??? ?? ?? ????? ????? ????? ?? ??? ????? .(
  QC )
• ??? ????? NDT ?? ??? ??? ??? ????? ????? .
• ????? ???? ???? ???? ?????? ( ?? ??? ???? ?? ???
  ???? )

10

• ??????? ??
• ???? ??? ???? ???? ??????? ??? ???? .
• ???????? ??? ??? ?? ????? ??? ????? ???? .
• ?? ???? ???? ????? ??? ???? ??? .

11
???? ?? ???? ??? ?? ?? ?????? ???? ???? ?????
???????
???? ?? ???? ??? ?? ?? ?????? ???? ???? ?????
???????
12
Welding Defect Spatter(???? ??? )
???? ??? ?????? ????
13
Welding DefectPorosity(?????)
???? ??? ?????? ????
14
Welding DefectExcess root penetration( ???? ???
?? ?????? ??? )
???? ??? ?????? ????
15
Welding DefectRoot concavity( ???? ???? ??? )
???? ??? ?????? ????
16
Welding DefectCap Undercut ( ?????? ???? ??? )
???? ??? ?????? ????
17
Welding DefectCrack( ??? )
???? ??? ?????? ????
18
Welding DefectArc Strike(?????? ??????? ?? ????
)
???? ??? ?????? ????
19
Welding DefectMechanical Damage( ???? ??????? )
Pitting Corrosion
???? ??? ?????? ????
20
PT ( Penetrant Test ) ?????? ?????? ????
???? ??? ?????? ????
21
????? ????? ?????? ?????? ???? 1 ????? ????
??? ( surface preparation )
22
2 ????? ???? ???? ( Applying Liquid Penetrant )

23
3 ????? ?????? ????? ?? ??? ???? ???? ???? (
CLEANING )
24
4 ????? ???? ???? ( DEVELOPER APPLYING )
25
5 ?????? ( INSPECTION )
26

• ?????
• ???? ???? ??????? ????? .
• ?? ??? ? ??? ???? ????? ????? .
• ???? ? ????? ??? .
• ??? ? ?????? ?????? ??? ???? ????? .

27

• ??????? ??
• ???? ??? ???? ?? ???? ?????? .
• ????? ??? ????? ???? .
• ???? ????? ??? ??? .
• ?? ???? ??? ???? ???? ?? ?? ??? ???? ?????? ??
  ??? .

28
(No Transcript)
29
(No Transcript)
30
MT ( Magnetic Test ) ?????? ???? ????????
31
(No Transcript)
32
(No Transcript)
33
(No Transcript)
34
(No Transcript)
35
(No Transcript)
36

• ?????
• ???? ??? ??? ???? ???
• ???? ????????? ??? ??? ????
• ?????? ?????? ?????? .
• ?? ??? ????? ? ?? ?????? ??? ? ?? ??? ??? ????
  ???? ????? ??? .

37

• ??????? ??
• ???? ???? ??? ??????? ??? .
• ??? ????? ???? ???? ?? ???? ???? .
• ?????? ?? ?? ??? ????? ???? ????? ??? .
• ???? ?? ??? ??? ????? ???? ????? ???? .

38
UT( Ultrasonic Test ) ?????? ?????? ???
39
(No Transcript)
40
Back wall echo
defect
0
10
20
30
40
50
Compression Probe
CRT Display
41
Pulse echo signals A scan Display
UT Set, Digital
Compression probe
Thickness checking the material
42
(No Transcript)
43
UT Set
A Scan Display
Angle Probe
44
initial pulse
Surface distance
defect
sound path
0
10
20
30
40
50
CRT Display
Angle Probe
45

• ?????
• ??? ??? ?????????? ????? ??? .
• ???? ???? ??? ?? ???? ????? .
• ???? ???? ?? ???? ????? ( ???? ? ??? ???? ) .
• LOP LOF ?? ?? ????? ????? ????? .
• ?????? ????? ?? ???????? ? ?????? ?? ???? .
• ?? ???? ????? ???? ??????? ??? .
• ???????? ????? ????? ???? ?????? .
• ?????? ???? ????? ????? .
• ???? ????? ??? ????? ???? .

46

• ??????? ??
• ???? ?? PT , MT ????? ???? ??? .
• ??????? ?? ???? ?????? ???? ???? .
• ?? ????? ???? ???? ???? ???? ( ?????? ?? ??????
  ???? ).

47
RT( Radiographic Test ) ?????? ????? ?????
48
Source
Image quality indicator
Radiation beam
Radiographic film
49
Film
IQIs should be placed source side
50
(No Transcript)
51

• ?????
• ??? ??? ??????? ???? ? ?????? ? ???? ??? ?? ????
  ??? .
• ????? ???? ?????? ???? .
• ???? ?? ?? ?????? ?? ?? ???? ????? .
• ?? ????? ???? ????? ????? ???? ????? .

52

• ??????? ??
• ????? ???? ??? .
• ???? ??????? ???? ??? ???? .
• ????? ?????? ???? ??? ????? ( ????????? ? ???? ?
  ???? ? ????? )
• ???? ?? ???? ???? .
• ?????? ????? ? ???? ??? ???? ???? ???? .
• ?????? ????? ??? ??? ?? ?????? x,y ?????? .
• ????? ???? ????? ?????? .