Waktu Penetrasi Minimum Khas untuk material yang berbeda
Bahan | Formulir | Type of Discontinuity | Water-Washable Penetration Time* |
---|---|---|---|
Aluminium | Castings | Porosity, Cold Shuts | 5 to 15 min |
Aluminium | Extrusions, Forgings | Laps | NR** |
Aluminium | Welds | Lack of Fusion, Porosity | 30 |
Aluminium | All | Cracks, Fatigue Cracks | 30, not recommended for fatigue crack |
Magnesium | Castings | Porosity, Cold Shuts | 15 |
Magnesium | Extrusions, Forgings | Laps | not recommended |
Magnesium | Welds | Lack of Fusion, Porosity | 30 |
Magnesium | All | Cracks, Fatigue Cracks | 30, not recommended for fatigue crack |
Baja | Castings | Porosity, Cold Shuts | 30 |
Baja | Extrusions, Forgings | Laps | not recommended |
Baja | Welds | Lack of Fusion, Porosity | 60 |
Baja | All | Cracks, Fatigue Cracks | 30, not recommended for fatigue crack |
Brass & Bronze | Castings | Porosity, Cold Shuts | 10 |
Brass & Bronze | Extrusions, Forgings | Laps | not recommended |
Brass & Bronze | Brazed Parts | Lack of Fusion, Porosity | 15 |
Kuningan & Bronze | All | Cracks | 30 |
Brass & Bronze | |||
Plastik | All | Cracks | 5 to 30 |
Glass | All | Cracks | 5 to 30 |
Carbide-tipped Tools | All | Lack of Fusion Porosity, Craks | 30 |
Titanium & High Temp Alloys | All | not recommended | |
All Metals | All | Stress or Inter-Granular Corrosion | not recommended |