Metallurgical investigation of the aging process on tensile fracture welded joints in pipeline steel

Ingeniería y ciencia de los materiales

• Aging of materials 58%
• Welds 58%
• Pipelines 55%
• Steel 42%
• Microcavities 23%
• Metals 18%
• Coarsening 17%
• Coalescence 17%
• Steel pipe 16%
• Heat affected zone 15%
• Strain hardening 15%
• Nanoparticles 14%
• Hardening 13%
• Yield stress 13%
• Deterioration 13%

Física y astronomía

• welded joints 100%
• steels 54%
• voids 38%
• exponents 22%
• heat affected zone 18%
• strain hardening 16%
• deterioration 15%
• yield strength 15%
• metals 15%
• coalescing 14%
• hardening 13%
• nanoparticles 9%

Química

• Pipeline 85%
• Strength 46%
• Strain Hardening 34%
• Yield Point 28%
• Coalescence 26%
• Reduction 22%
• Metal 22%
• Heat 18%
• Nanoparticle 12%
• Time 8%
• Surface 7%