6-rt 4a (graph)

7/25/2019 6-RT 4a (Graph)

1/35

7/25/2019 6-RT 4a (Graph)

2/35

Copyright 2003 TWI Ltd

TE C

H

NO

LO

G

Y

Lack of root fusionLack of root penetration

7/25/2019 6-RT 4a (Graph)

3/35


TE C

H

NO

LO

G

Y

Misalignment Misalignment/Lack of root fusion

7/25/2019 6-RT 4a (Graph)

4/35


TE C

H

NO

LO

G

Y

Concave root Excessive root penetration

7/25/2019 6-RT 4a (Graph)

5/35


TE C

H

NO

LO

G

Y

Burn throughBurn through + LOR

7/25/2019 6-RT 4a (Graph)

6/35


TE C

H

NO

LO

G

Y

Cap undercutCap undercut

7/25/2019 6-RT 4a (Graph)

7/35


TE C

H

NO

LO

G

Y

Root undercut !ncomplete filled groove

7/25/2019 6-RT 4a (Graph)

8/35


TE C

H

NO

LO

G

Y

"ransverse crack"ransverse crack

7/25/2019 6-RT 4a (Graph)

9/35


TE C

H

NO

LO

G

Y

Longitudinal crackLongitudinal crack

7/25/2019 6-RT 4a (Graph)

10/35


TE C

H

NO

LO

G

Y

#tar crackCrater crack

7/25/2019 6-RT 4a (Graph)

11/35


TE C

H

NO

LO

G

Y

$%& crack Root crack

7/25/2019 6-RT 4a (Graph)

12/35


TE C

H

NO

LO

G

Y

#pot 'eld gas #pot 'eld crack

7/25/2019 6-RT 4a (Graph)

13/35


TE C

H

NO

LO

G

Y

Elongated slag lines!nterpass slag inclusions

7/25/2019 6-RT 4a (Graph)

14/35


TE C

H

NO

LO

G

Y

#lag inclusion #lag inclusions

7/25/2019 6-RT 4a (Graph)

15/35


TE C

H

NO

LO

G

Y

Lack of side 'all fusion 'ith slag

7/25/2019 6-RT 4a (Graph)

16/35


TE C

H

NO

LO

G

Y

Lack of side 'all fusionLack of interpass fusion

7/25/2019 6-RT 4a (Graph)

17/35


TE

C

H

NO

LO

G

Y

Root pass aligned porosityCluster porosity

7/25/2019 6-RT 4a (Graph)

18/35


TE

C

H

NO

LO

G

Y

#ingle gas poreorosity open to the surface

7/25/2019 6-RT 4a (Graph)

19/35


TE

C

H

NO

LO

G

Y

$erring (one porosity$erring (one porosity

7/25/2019 6-RT 4a (Graph)

20/35


TE

C

H

NO

LO

G

Y

oor root profileExcess cap reinforcement

7/25/2019 6-RT 4a (Graph)

21/35


TE

C

H

NO

LO

G

Y

%rc strike #patter

7/25/2019 6-RT 4a (Graph)

22/35


TE

C

H

NO

LO

G

Y

Copper inclusions"ungsten inclusions

7/25/2019 6-RT 4a (Graph)

23/35


TE

C

H

NO

LO

G

Y

)e(ris$ard stampings

7/25/2019 6-RT 4a (Graph)

24/35


TE

C

H

NO

LO

G

Y

%rtifacts%rtifacts

*il # h

7/25/2019 6-RT 4a (Graph)

25/35


TE

C

H

NO

LO

G

Y

*ilm #cratches

Ch i l M k

7/25/2019 6-RT 4a (Graph)

26/35


TE

C

H

NO

LO

G

Y

Chemical Marks

Li ht L k

7/25/2019 6-RT 4a (Graph)

27/35


TE

C

H

NO

LO

G

Y

Light Leaks

#t ti )i h

7/25/2019 6-RT 4a (Graph)

28/35


TE

C

H

NO

LO

G

Y

#tatic )ischarge

#tatic )ischarge

7/25/2019 6-RT 4a (Graph)

29/35


TE

C

H

NO

LO

G

Y

#tatic )ischarge

Reticulation

7/25/2019 6-RT 4a (Graph)

30/35


TE

C

H

NO

LO

G

Y

Reticulation

)iffraction Mottle

7/25/2019 6-RT 4a (Graph)

31/35


TE

C

H

NO

LO

G

Y

)iffraction Mottle

)ust Lint ,rime Marks

7/25/2019 6-RT 4a (Graph)

32/35


TE

C

H

NO

LO

G

Y

)ust Lint ,rime Marks

-ater Marks

7/25/2019 6-RT 4a (Graph)

33/35


TE

C

H

NO

LO

G

Y

-ater Marks

Crimping Marks

7/25/2019 6-RT 4a (Graph)

34/35


TE

C

H

NO

LO

G

Y

Crimping Marks

.nkno'n %rtifacts

7/25/2019 6-RT 4a (Graph)

35/35


TE

C

H

NO

LO

G

Y

.nkno'n %rtifacts

Documents