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What is Laser Peening Effects on Welded Steels about?
1) Laser peening is a surface enhancement technique that introduces compressive residual stress in metals. It was shown to prevent stress corrosion cracking and improve fatigue strength. 2) The study examined laser peening conditions for four grades of structural steels and investigated residual stress in fillet weld zones after laser peening compared to before. 3) Laser peening affected steel hardness up to 0.6mm depth and conditions of 200 mJ pulse energy, 8 ns pulse duration, 0.8 mm spot size, and 3600
- Author
- sanketpavi21
- Language
- EN