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RISComparison of Parent and Butt-Fusion Material Properties of Unimodal High-Density Polyethylene
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The U.S. nuclear power industry is seeking U.S. Nuclear Regulatory Commission (USNRC) approval to use high-density polyethylene (HDPE) in safety-related applications. The USNRC had granted approval for the use of HDPE for ...
Secondary Stress Weighting Factor and Plastic Reduction Factor of Surface Cracked Pipes Under Bending
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In piping design analysis, the secondary stresses (displacement controlled) may have different design limits than primary stresses (load-controlled stresses). The current design limits for secondary stresses are based on ...
Mode Mixity in the Fracture Toughness Evaluation of Heat-Affected-Zone Material Using SEN(T) Experiment
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Single-edge-notch-tension, SEN(T), specimens have been found to provide a good similitude for surface cracks in pipes, where a surface-cracked structure has lower constraint condition than single-edge notch bend, SEN(B) ...
Constraint Effects in Slow Crack Growth Test Methods for Service Life Prediction of High Density Polyethylene Piping
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: High-density polyethylene (HDPE) pipe and piping components have been used successfully and safely for natural gas distribution around the world for several decades. The primary concerns for a 50-year life for buried HDPE ...