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Effects of Very High Power Ultrasonic Additive Manufacturing Process Parameters on Hardness, Microstructure, and Texture of Aluminum 3003-H18 Alloy

Sojiphan, Kittichai
http://rave.ohiolink.edu/etdc/view?acc_num=osu1418667794

Abstract Details

2015, Doctor of Philosophy, Ohio State University, Welding Engineering.
Very High Power Ultrasonic Additive Manufacturing (VHP-UAM) was used to fabricate 10 layers and up to 80 layers samples from aluminum alloy 3003-H18 foil (Al3003-H18) of 150 µm thickness with varying vibration amplitude and normal force. This research was aimed at studying the change in hardness, microstructure, and texture in Al3003-H18 foil both in as-processed conditions and in heat-treated (343°C-2hr) condition compared to original foil, and to utilize neutron diffraction method to characterize the bulk texture analysis of the bulk VHP-UAM samples. Results from Vicker microhardness measurement, optical microscopy, scanning electron microscopy, electron backscattered diffraction (EBSD), and neutron diffraction were used to describe the changes in hardness, microstructure, and texture. The difference in microstructure and texture evolution in VHP-UAM samples processed at different process parameters can be related to the energy input during VHP-UAM and the post-processing heat-treatment.
Avraham Benatar (Advisor)
Sudarsanam Suresh Babu (Advisor)
John Lippold (Committee Member)
Wei Zhang (Committee Member)
168 p.
Materials Science; Metallurgy
Ultrasonic additive manufacturing; aluminum alloys; plastic deformation; dynamic recrystallization; dynamic recovery; grain growth; hardness; microstructure; texture; neutron diffraction; electron backscatter diffraction

Recommended Citations

Citations

  • Sojiphan, K. (2015). Effects of Very High Power Ultrasonic Additive Manufacturing Process Parameters on Hardness, Microstructure, and Texture of Aluminum 3003-H18 Alloy [Doctoral dissertation, Ohio State University]. OhioLINK Electronic Theses and Dissertations Center. http://rave.ohiolink.edu/etdc/view?acc_num=osu1418667794

    APA Style (7th edition)

  • Sojiphan, Kittichai. Effects of Very High Power Ultrasonic Additive Manufacturing Process Parameters on Hardness, Microstructure, and Texture of Aluminum 3003-H18 Alloy. 2015. Ohio State University, Doctoral dissertation. OhioLINK Electronic Theses and Dissertations Center, http://rave.ohiolink.edu/etdc/view?acc_num=osu1418667794.

    MLA Style (8th edition)

  • Sojiphan, Kittichai. "Effects of Very High Power Ultrasonic Additive Manufacturing Process Parameters on Hardness, Microstructure, and Texture of Aluminum 3003-H18 Alloy." Doctoral dissertation, Ohio State University, 2015. http://rave.ohiolink.edu/etdc/view?acc_num=osu1418667794

    Chicago Manual of Style (17th edition)

osu1418667794
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© 2015, all rights reserved.
This open access ETD is published by The Ohio State University and OhioLINK.