Dissimilar Laser Welding of Austenitic Stainless Steel and Abrasion-Resistant Steel: Microstructural Evolution and Mechanical Properties Enhanced by Post-Weld Heat Treatment
Abstract
:1. Introduction
2. Materials and Methods
3. Results and Discussion
3.1. Weld Morphology of Laser-Welded Butt Joints with Different Energy Inputs
3.2. Microstructure Analysis
3.3. Hardness
3.4. Tensile Strength
4. Conclusions
Author Contributions
Funding
Data Availability Statement
Acknowledgments
Conflicts of Interest
References
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Steel Code | C | Si | Mn | P | S | Cr | Ni | Mo | N | Cu |
---|---|---|---|---|---|---|---|---|---|---|
ASS | 0.106 | 0.85 | 1.21 | 0.030 | 0.001 | 16.76 | 6.51 | 0.32 | 0.060 | 0.340 |
AR600 | 0.326 | 0.31 | 0.49 | 0.009 | 0.001 | 0.81 | 2.01 | 0.48 | 0.003 | 0.014 |
Steel Code | YS (MPa) | UTS (MPa) | Elongation (%) | HV0.2 |
---|---|---|---|---|
ASS | 914 ± 19 | 1307 ± 17 | 21.5 ± 0.7 | 416 ± 14 |
AR600 | 1774 ± 24 | 2164 ± 14 | 6.4 ± 0.2 | 646 ± 9 |
Laser Power (kW) | Welding Speed (m/min) | Energy Input (J/mm) |
---|---|---|
4 | 4.80 | 50 |
4 | 2.40 | 100 |
4 | 1.50 | 160 |
4 | 0.75 | 320 |
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Hietala, M.; Jaskari, M.; Ali, M.; Järvenpää, A.; Hamada, A. Dissimilar Laser Welding of Austenitic Stainless Steel and Abrasion-Resistant Steel: Microstructural Evolution and Mechanical Properties Enhanced by Post-Weld Heat Treatment. Materials 2021, 14, 5580. https://doi.org/10.3390/ma14195580
Hietala M, Jaskari M, Ali M, Järvenpää A, Hamada A. Dissimilar Laser Welding of Austenitic Stainless Steel and Abrasion-Resistant Steel: Microstructural Evolution and Mechanical Properties Enhanced by Post-Weld Heat Treatment. Materials. 2021; 14(19):5580. https://doi.org/10.3390/ma14195580
Chicago/Turabian StyleHietala, Mikko, Matias Jaskari, Mohammed Ali, Antti Järvenpää, and Atef Hamada. 2021. "Dissimilar Laser Welding of Austenitic Stainless Steel and Abrasion-Resistant Steel: Microstructural Evolution and Mechanical Properties Enhanced by Post-Weld Heat Treatment" Materials 14, no. 19: 5580. https://doi.org/10.3390/ma14195580