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Friction Stir Spot Welding of Advanced High-Strength Steels - A Feasibility Study
Technical Paper
2005-01-1248
ISSN: 0148-7191, e-ISSN: 2688-3627
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English
Abstract
An exploratory study was conducted to investigate the feasibility of friction stir spot welding advanced high-strength steel sheet metals. The fixed pin approach was used to weld 600MPa dual phase steel and 1310MPa martensitic steel. A single tool, made of polycrystalline cubic boron nitride, survived over one hundred welding trials without noticeable degradation and wear. Solid-state metallurgical bonding was produced with welding time in the range of 2 to 3 seconds, although the bonding ligament width was relatively small. The microstructures and hardness variations in the weld regions are discussed. The results from tensile-shear and cross-tensile tests are also presented.
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Authors
- Z. Feng - Metals and Ceramic Division, Oak Ridge National Laboratory
- M. L. Santella - Metals and Ceramic Division, Oak Ridge National Laboratory
- S. A. David - Metals and Ceramic Division, Oak Ridge National Laboratory
- R. J. Steel - MegaStir Technologies
- S. M. Packer - MegaStir Technologies
- T. Pan - Ford Research and Advanced Engineering, Ford Motor Company
- M. Kuo - Ispat Inland Inc
- R. S. Bhatnagar - Ispat Inland Inc
Citation
Feng, Z., Santella, M., David, S., Steel, R. et al., "Friction Stir Spot Welding of Advanced High-Strength Steels - A Feasibility Study," SAE Technical Paper 2005-01-1248, 2005, https://doi.org/10.4271/2005-01-1248.Also In
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