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This research paper investigates the impact of surface conditions like coatings, lubrication, or water on steel samples prior to laser welding on the susceptibility to cold cracking. A new method is introduced to quantify diffusible hydrogen in welds using thermal desorption analysis without welding consumables. Testing of three advanced high-strength steel samples with different surface treatments found that cracking susceptibility increased when lubrication or coatings combined with water were added. Addi

Author

afab

Language

EN