Useful tips

What causes stress corrosion cracking?

What causes stress corrosion cracking?

Stress corrosion cracking (SCC) is the cracking induced from the combined influence of tensile stress and a corrosive environment. The impact of SCC on a material usually falls between dry cracking and the fatigue threshold of that material.

How do you mitigate stress corrosion cracking?

Stress/Strain Removing or reducing the tensile stress placed on a component is another way of preventing the occurrence of stress corrosion cracking.

Which of the following stress corrosion cracking mechanism is highly acceptable?

14. Which of the following stress-corrosion cracking mechanism is highly acceptable? Clarification: Dissolution mechanics is highly acceptable than mechanical mechanics. The dissolution model describes anodic dissolution at the crack tip, as strain ruptures the passive film at the tip.

What was the original CEPA stress corrosion cracking recommended practices?

The original 1997 CEPA Stress Corrosion Cracking Recommended Practices (hereafter referred to as the “Practices”) were prepared and made public by CEPA in response to the National Energy Board of Canada’s public inquiry MH-2-95 into the problem of stress corrosion cracking (SCC) in oil and gas pipelines.

What are CEPA recommended practices for managing near-neutral pH?

CEPA Recommended Practices for Managing Near-neutral pH Stress Corrosion Cracking 3rdedition, May 2015 NOTICE OF COPYRIGHT Copyright  2015 Canadian Energy Pipeline Association (CEPA). All rights reserved.

What is CORLAS software for corrosion life assessment?

CORLAS Software package for Corrosion-Life Assessment of Piping and Pressure Vessels used to evaluate the safety factor of a specific defect involving corrosion and cracking. Corrosion Metal loss by chemical or electro-chemical dissolution that occurs as a result of the interaction of the metal (steel) with its environment.