Fabrication of thick multilayered steel structure using A516 Grade 70 by multipass friction stir welding
Abstract
In the present work, a thick-sectioned multilayered steel structure was fabricated by multipass friction stir welding on A516 Grade 70 steel. Tensile strength of the multilayered samples was comparable to that of the base metal. Failure was located in the base metal when a defect-free sample was tested. Charpy impact toughness was higher in the stir zone and heat affected zone than in the base metal. Higher microhardness values were found in the stir zone and heat affected zone than the base metal due to grain refinement and modification of the microstructures. Consequently, improved mechanical properties compared to the base metal were found in the weld zones of friction stir welded A516 Grade 70 steel.
- Authors:
-
- Materials Science & Technology Division, Oak Ridge National Laboratory, TN, USA
- MegaStir Technologies LLC, 333 West 2230 North, Provo, UT 84604, USA
- Consultant, 1161 W. Sunburst Lane, Midway, UT 84049, USA
- Publication Date:
- Research Org.:
- Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)
- Sponsoring Org.:
- USDOE Office of Energy Efficiency and Renewable Energy (EERE)
- OSTI Identifier:
- 2281404
- Alternate Identifier(s):
- OSTI ID: 1279387
- Grant/Contract Number:
- AC05-00OR22725
- Resource Type:
- Published Article
- Journal Name:
- Science and Technology of Welding and Joining
- Additional Journal Information:
- Journal Name: Science and Technology of Welding and Joining Journal Volume: 21 Journal Issue: 7; Journal ID: ISSN 1362-1718
- Publisher:
- SAGE Publications
- Country of Publication:
- United Kingdom
- Language:
- English
- Subject:
- 36 MATERIALS SCIENCE; friction stir weld; multilayer; high strength low alloy steel; mechanical properties
Citation Formats
Lim, Y. C., Sanderson, S., Mahoney, M., Wang, Y., Chen, J., David, S. A., and Feng, Z. Fabrication of thick multilayered steel structure using A516 Grade 70 by multipass friction stir welding. United Kingdom: N. p., 2016.
Web. doi:10.1080/13621718.2016.1142138.
Lim, Y. C., Sanderson, S., Mahoney, M., Wang, Y., Chen, J., David, S. A., & Feng, Z. Fabrication of thick multilayered steel structure using A516 Grade 70 by multipass friction stir welding. United Kingdom. https://doi.org/10.1080/13621718.2016.1142138
Lim, Y. C., Sanderson, S., Mahoney, M., Wang, Y., Chen, J., David, S. A., and Feng, Z. Sat .
"Fabrication of thick multilayered steel structure using A516 Grade 70 by multipass friction stir welding". United Kingdom. https://doi.org/10.1080/13621718.2016.1142138.
@article{osti_2281404,
title = {Fabrication of thick multilayered steel structure using A516 Grade 70 by multipass friction stir welding},
author = {Lim, Y. C. and Sanderson, S. and Mahoney, M. and Wang, Y. and Chen, J. and David, S. A. and Feng, Z.},
abstractNote = {In the present work, a thick-sectioned multilayered steel structure was fabricated by multipass friction stir welding on A516 Grade 70 steel. Tensile strength of the multilayered samples was comparable to that of the base metal. Failure was located in the base metal when a defect-free sample was tested. Charpy impact toughness was higher in the stir zone and heat affected zone than in the base metal. Higher microhardness values were found in the stir zone and heat affected zone than the base metal due to grain refinement and modification of the microstructures. Consequently, improved mechanical properties compared to the base metal were found in the weld zones of friction stir welded A516 Grade 70 steel.},
doi = {10.1080/13621718.2016.1142138},
journal = {Science and Technology of Welding and Joining},
number = 7,
volume = 21,
place = {United Kingdom},
year = {Sat Oct 01 00:00:00 EDT 2016},
month = {Sat Oct 01 00:00:00 EDT 2016}
}
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https://doi.org/10.1080/13621718.2016.1142138
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