Engineering and Consulting Technical Papers 

Learn about Quest Integrity's engineering and consulting technology developments and solutions by clicking on the links to relevant technical papers below.

Engineering Consulting 

• Effect of Residual Forming Stresses on Fracture in ERW Pipe
  
• Recent Innovations in Pipeline Seam Weld Integrity Assessment 
• Creep Life Simulation and Assessment of High Temperature Piping Systems and Components
• Fitness-For-Service Assessment on 1940's Era Wicket Gates
• Engineering Assessment of Deformed Spillway Gate

Fracture Mechanics and FEACrack

• Consideration of Reduction in Stiffness due to Cracking and the Impact on Standard Stress Intensity Factor Solutions
• Cylinder Axial Crack Reference Stress Comparison Using Elastic-Plastic FEA 3D Crack Mesh J-Integral Values
• Computational Fluid Dynamics (CFD) Provides Alternative to Conventional Heat Treatment Guidelines
  
• Fatigue Crack Propagation Comparison of a Hydropower Main Inlet Valve Using 3D Crack Meshes in a Full Model Versus a Sub-Model
• A Finite Element Procedure to Model the Effect of Hydrostatic Testing on Subsequent Fatigue Crack Growth
  
• Ductile Tearing Instability Assessment of a Cracked Reactor Pressure Vessel Nozzle for Larger Critical Crack Size Compared to the FAD Method
• Crack Front Stress Intensity Validation in a Nozzle Component 
• Ductile Tearing Analysis of a Custom Pipe to Flange Nozzle Using 3D Crack Meshes
  
• Comparison Between Ductile Tearing Analysis and Linear Elastic Fracture Mechanics Analysis
• Using the Failure Assessment Diagram Method with Fatigue Crack Growth to Determine Leak-before-Rupture
• Examination of Non-Intuitive Stress Intensity Solution Trends for Thick-Wall Cylinder Internal Cracks from ASME STP-PT-072
• Leak-Before-Break Assessment of a Cracked Reactor Vessel Nozzle Using 3D Crack Meshes
• Steam Turbine Critical Crack Evaluation and Ranking Cracks to Prioritize Inspection
• Adjusted J-R Toughness Curve for Pipes Using J-A2 Crack Constraint of CT Specimens and 3D Crack Meshes
• Ductile Tearing Instability Analysis of Piping Bend with Surface Cracks Using J-R Resistance Curve and 3D Crack Meshes in Elastic-Plastic FEA
• Evaluation of Interaction Behavior of Stacked Crack-Like Features
• Thick-Wall Cylinder Reference Stress Crack Solutions for API 579-1/ASME FFS-1 ANNEX 9C