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Article

Internal Strain Distribution of Laser Lap Joints in Steel under Loading Studied by High-Energy Synchrotron Radiation X-rays

1
Materials Sciences Research Center, Japan Atomic Energy Agency, 2-4 Shirakata, Tokai-mura, Naka-gun, Ibaraki 319-1195, Japan
2
Synchrotron Radiation Research Center, National Institutes for Quantum and Radiological Science and Technology, 1-1-1 Kouto, Sayo-cho, Sayo-gun, Hyogo 679-5148, Japan
3
Advanced Nuclear System Research and Development Directorate, Japan Atomic Energy Agency, 4-33 Muramatsu, Tokai-mura, Naka-gun, Ibaraki 319-1194, Japan
4
Institute for Quantum Life Science, National Institutes for Quantum and Radiological Science and Technology, 2-4 Shirakata, Tokai-mura, Naka-gun, Ibaraki 319-1106, Japan
5
Tsuruga Comprehensive Research and Development Center, Japan Atomic Energy Agency, 65-20 Kizaki, Tsuruga, Fukui 914-8585, Japan
6
Research & Development Department, The Wakasa Wan Energy Research Center, 64-52-1 Nagatani, Tsuruga, Fukui 914-0192, Japan
7
Nuclear Fuel Cycle Engineering Laboratories, Japan Atomic Energy Agency, 4-33 Muramatsu, Tokai-mura, Naka-gun, Ibaraki 319-1194, Japan
8
Fuel Cycle Design Department, Japan Atomic Energy Agency, 4002 Narita-cho, Oarai, Higashiibaraki-gun, Ibaraki 311-1393, Japan
*
Author to whom correspondence should be addressed.
Academic Editors: Klaus-Dieter Liss and Rozaliya Barabash
Quantum Beam Sci. 2021, 5(2), 17; https://0-doi-org.brum.beds.ac.uk/10.3390/qubs5020017
Received: 25 March 2021 / Revised: 11 May 2021 / Accepted: 26 May 2021 / Published: 2 June 2021
(This article belongs to the Special Issue Analysis of Strain, Stress and Texture with Quantum Beams)
The automotive industries employ laser beam welding because it realizes a high energy density without generating irradiation marks on the opposite side of the irradiated surface. Typical measurement techniques such as strain gauges and tube X-rays cannot assess the localized strain at a joint weld. Herein high-energy synchrotron radiation X-ray diffraction was used to study the internal strain distribution of laser lap joint PNC-FMS steels (2- and 5-mm thick) under loading at a high temperature. As the tensile load increased, the local tensile and compressive strains increased near the interface. These changes agreed well with the finite element analysis results. However, it is essential to complementarily utilize internal defect observations by X-ray transmission imaging because the results depend on the defects generated by laser processing. View Full-Text
Keywords: high energy synchrotron radiation; internal strain distribution; laser lap welded steel; in situ measurement high energy synchrotron radiation; internal strain distribution; laser lap welded steel; in situ measurement
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MDPI and ACS Style

Shobu, T.; Shiro, A.; Kono, F.; Muramatsu, T.; Yamada, T.; Naganuma, M.; Ozawa, T. Internal Strain Distribution of Laser Lap Joints in Steel under Loading Studied by High-Energy Synchrotron Radiation X-rays. Quantum Beam Sci. 2021, 5, 17. https://0-doi-org.brum.beds.ac.uk/10.3390/qubs5020017

AMA Style

Shobu T, Shiro A, Kono F, Muramatsu T, Yamada T, Naganuma M, Ozawa T. Internal Strain Distribution of Laser Lap Joints in Steel under Loading Studied by High-Energy Synchrotron Radiation X-rays. Quantum Beam Science. 2021; 5(2):17. https://0-doi-org.brum.beds.ac.uk/10.3390/qubs5020017

Chicago/Turabian Style

Shobu, Takahisa, Ayumi Shiro, Fumiaki Kono, Toshiharu Muramatsu, Tomonori Yamada, Masayuki Naganuma, and Takayuki Ozawa. 2021. "Internal Strain Distribution of Laser Lap Joints in Steel under Loading Studied by High-Energy Synchrotron Radiation X-rays" Quantum Beam Science 5, no. 2: 17. https://0-doi-org.brum.beds.ac.uk/10.3390/qubs5020017

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