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Which of the following is/are the preventions of stress-corrosion cracking?

Which of the following is/are the preventions of stress-corrosion cracking? Correct Answer Lowering working stress below the threshold value, shot peening to produce residual compressive stresses and applying for cathodic protection

Methods to prevent stress-corrosion cracking are: i. Lowering working stress below the threshold value ii. Shot peening to produce residual compressive stresses iii. Applying cathodic protection to the structure iv. Adding inhibitors to the system v. Eliminating the critical environment species.

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