Technical challenges in narrow-gap root pass welding during tandem and hybrid laser-arc welding of a thick martensitic stainless steel

Keyphrases

• Martensitic Stainless Steel 100%
• Laser-arc Hybrid Welding 100%
• Root-pass Welding 100%
• Narrow Gap 100%
• Root Pass 100%
• Microstructure 50%
• Martensitic 50%
• Stainless Steel Plate 50%
• Welding Method 50%
• Hydraulic Turbine 50%
• CA6NM 50%
• Weld Bead Geometry 50%
• Multi-pass 50%
• Technological Challenges 50%
• Filler Metal 50%
• Lack-of-fusion 50%
• Crack Sensitivity 50%
• 410NiMo 50%
• Lack of Penetration 50%
• Fiber Laser 50%
• Advanced Manufacturing Processes 50%
• Collaborative Programs 50%
• 410 Stainless Steel 50%
• Narrow Gap Groove 50%
• Geometric Defects 50%
• Single-sided Welding 50%

Material Science

• Martensitic Stainless Steel 100%
• Arc Welding 100%
• Stainless Steel 50%
• Hydraulics 50%
• Filler Metal 50%
• Fiber Laser 50%

Physics

• Arc Welding 100%
• Hydraulics 50%
• Fiber Laser 50%