Pusat Pendidikan dan PelatihanPusat Pendidikan dan Pelatihan

BADAN TENAGA NUKLIR BADAN TENAGA NUKLIR NASIONALNASIONAL

LACK OF FUSION

Root Fusion

WORM HOLE

Intermiten Undercut

Pengetahuan Teori / Praktek

Pengalaman

HITAM

PUTIH

SURFACE

VOLUMIK

VOLUMIK

SURFACE

EXTERNAL

INTERNAL

EXTERNAL

INTERNAL

Tungsten Inclusion

Excessive ReinforcementSpatter

Excessive Penetration

External Undercut

External ConcavityShrinkage

CrackLongitudinal

TransversalBurn Through

Root Concavity

Incomplete PenetrationMismatch/Hi-Low

Internal Undercut

Root Lack Of FusionInternal Concavity

Porosity

Lack Of FusionSlag Inclusion

Isolated

Linear

INDIKASI

Porosity

Distribusi

memanjang

Bentuk berekor

rounded

terisolasi

tersebar

berkelompoksegaris

Elongated CavityWormholes

Gas Pore

Isolated PorosityDistributed PorosityClutstered PorosityLinearPorosity

DISKONTINUITAS PADA LASDISKONTINUITAS PADA LAS

BURN - THROUGH

CLUSTERED POROSITY

EXCESSIVE PENETRATION

EXTERNAL UNDERCUT

INTERNAL CONCAVITY

INTERNAL SLAG LINE

INTERNAL UNDERCUT

INTERPASS COLD LAP

INTERPASS SLAG INCLUSION

INCOMPLETE PENETRATION

LACK OF CONCAVITY

LACK OF FUSION

LONGITUDINAL CRACK

LONGITUDINAL ROOT CRACK

MISMATCH

ROOT PASS ALIGN POROSITY

TRANSVERSE CRACK

TUNGSTEN INCLUSION

1. NO DEFECT

3. SPATTER

4. GAS PORES

5. DISTRIBUTED POROSITY

6. DISTRIBUTED POROSITY

7. DISTRIBUTED POROSITY

8. DISTRIBUTED POROSITY

9. DISTRIBUTED POROSITY

10. DISTRIBUTED POROSITY

11. DISTRIBUTED POROSITY

12. DISTRIBUTED POROSITY

13. WORM HOLE

14. CLUSTERED POROSITY

15. CLUSTERED POROSITY

16. CLUSTERED POROSITY

17. CLUSTERED POROSITY

18. LINEAR POROSITY

19. Distributed POROSITY

20. CLUSTERED POROSITY

21. ELONGATED CAVITY

22. WORM HOLE

23 WORM HOLE

24. WORM HOLE

25 Worm Hole

26 Worm Hole

27. ELONGATED CAVITY

28. ELONGATED CAVITY

29. ELONGATED CAVITY

30. Worm Hole

31 Isolated Slag Inclusion

32. Linear Slag Inclusion

33. Linear Slag Inclusion dan Undercut

34 Linear Slag Inclusion

35 Linear Slag Inclusion

36. Linear Slag Inclusion

37. Intermitten Undercut

38. Intermiten Undercut

39. Continuous Undercut

40. Continuous Undercut

41. Root Concavity

42. Root Concavity

43. Worm Hole dan Excessive Penetration

44. Incomplete Penetration

45. Incomplete Penetration

46. Incomplete Penetration

47. Incomplete Penetration

48. Incomplete Penetration

49. Incomplete Penetration

50. Incomplete Penetration

51. Incomplete Penetration

52. Incomplete Penetration

53. Incomplete Penetration

54. Incomplete Penetration

55. Root Fusion

56. Side Wall Fusion

57. Side Wall Fusion

58 Longitudinal Crack in Weld Metal

59. Longitudinal Crack in Weld Metal

60. Transversal Crack in Weld Metal

61. Crack in Weld Metal and Surface Irregularities

62 Longitudinal Crack in Weld Metal

63. Longitudinal Crack in Weld Metal

64. Longitudinal Crack in Weld Metal

65. Transversal Crack in Weld Metal

101. Misalignment/Hi-Low

102. Incomplete Penetration

103. Diffraction Mottle

105. Longitudinal Crack and Distributed Porosity

106. Longitudinal Crack and Distributed Porosity

107. Longitudinal Crack and Distributed Porosity

108. Longitudinal Crack

109. Longitudinal Crack

110. Longitudinal Crack

INDIKASI

HITAM

PUTIH

SURFACE

EXTERNAL

Tungsten Inclusion

Excessive Reinforcement

External Undercut

External ConcavityShrinkage

CrackLongitudinal

TransversalBurn Through

Root Concavity

Incomplete PenetrationMismatch/Hi-Low

Internal Undercut

Root Lack Of FusionInternal Concavity

Isolated

Linear

DISKONTINUITAS PADA LASDISKONTINUITAS PADA LAS

SURFACE

VOLUMIK

VOLUMIK

EXTERNAL

INTERNAL

INTERNAL

Lack Of Fusion

Slag Inclusion

Porosity

Spatter

Excessive Penetration