Search Results - "Park, Seung Hwan C."

Microscopic Observation of Precipitation Behavior at Friction Stirring Zone of Super Duplex Stainless Steel by Sugimoto, Itto, Park, Seung Hwan C., Hirano, Satoshi, Saito, Hikaru, Hata, Satoshi

“…To investigate the precipitation behavior of super duplex stainless steel in its weld by friction stir welding (FSW) at a low welding speed, we carried out…”
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Grain Structure Development During Friction Stir Welding of Single-Crystal Austenitic Stainless Steel by Jeon, Jong Jin, Mironov, Sergey, Sato, Yutaka S., Kokawa, Hiroyuki, Park, Seung Hwan C., Hirano, Satoshi

“…The high-resolution electron backscatter diffraction (EBSD) technique was used to study the grain boundary development and texture evolution during friction…”
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Microstructural characteristics and mechanical properties of Ti–6Al–4V friction stir welds by Zhang, Yu, Sato, Yutaka S., Kokawa, Hiroyuki, Park, Seung Hwan C., Hirano, Satoshi

“…Friction stir welding (FSW) was applied to 3 mm-thick Ti–6Al–4V plates under different rotational speeds. Defect-free welds were successfully produced at…”
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Stir zone microstructure of commercial purity titanium friction stir welded using pcBN tool by Zhang, Yu, Sato, Yutaka S., Kokawa, Hiroyuki, Park, Seung Hwan C., Hirano, Satoshi

“…In the present study, friction stir welding was applied to commercial purity titanium using a polycrystalline cubic boron nitride tool, and microstructure and…”
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Microstructural Characterizations Following Friction Stir Welding of Dissimilar Alloys of Low- and High-Carbon Steels by Choi, Don Hyun, Ahn, Byung Wook, Yeon, Yun Mo, Park, Seung Hwan C., Sato, Yutaka S., Kokawa, Hiroyuki, Jung, Seung Boo

“…The present study was carried out to evaluate the microstructure and mechanical properties of the friction stir welding (FSW) of dissimilar alloys of…”
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Microstructure and mechanical properties of friction stir processed ODS ferritic steels by Noh, Sanghoon, Kasada, Ryuta, Kimura, Akihiko, Park, Seung Hwan C., Hirano, Satoshi

“…Oxide dispersion strengthened (ODS) steels are considered to be one of the candidate structural materials for advanced blanket systems because of its excellent…”
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Characteristics of the kissing-bond in friction stir welded Al alloy 1050 by Sato, Yutaka S., Takauchi, Hideaki, Park, Seung Hwan C., Kokawa, Hiroyuki

“…Initial oxide layer on the butt surface fragments during friction stir welding (FSW) often remaining as a faint zigzag-line pattern on the cross section. When…”
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Effect of micro-texture on fracture location in friction stir weld of Mg alloy AZ61 during tensile test by Park, Seung Hwan C., Sato, Yutaka S., Kokawa, Hiroyuki

“…Microstructural evolution of magnesium alloy AZ61 during friction stir welding and details of the relationship between the microstructure and mechanical…”
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Constitutional liquation during dissimilar friction stir welding of Al and Mg alloys by Sato, Yutaka S., Park, Seung Hwan C., Michiuchi, Masato, Kokawa, Hiroyuki

“…A dissimilar friction stir weld of Al alloy 1050 and Mg alloy AZ31 was produced. The weld had a large volume of intermetallic compound Al 12Mg 17 and…”
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High-Throughput Investigation of Multiscale Deformation Mechanism in Additively Manufactured Ni Superalloy by Dhal, Abhijeet, Agrawal, Priyanka, Haridas, Ravi Sankar, Gaddam, Supreeth, Sharma, Aishani, Parganiha, Digvijay, Mishra, Rajiv S., Kawanaka, Hirotsugu, Matsushita, Shinji, Yasuda, Yusuke, Park, Seung Hwan C., Yuan, Wei

“…In this paper, Inconel 718 (IN718) superalloy was processed by laser powder-bed fusion additive manufacturing (L-PBFAM), followed by heat treatment…”
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Rapid formation of the sigma phase in 304 stainless steel during friction stir welding by Park, Seung Hwan C., Sato, Yutaka S., Kokawa, Hiroyuki, Okamoto, Kazutaka, Hirano, Satoshi, Inagaki, Masahisa

“…Rapid formation of sigma phase occurred in 304 stainless steel during friction stir welding. A possibility was suggested that the sigma formation can be…”
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Basal plane texture and flow pattern in friction stir weld of a magnesium alloy by PARK, Seung Hwan C, SATO, Yutaka S, KOKAWA, Hiroyuki

“…The microtextures in a friction-stir-welded magnesium (Mg) alloy, AZ61, with a nugget-shaped stir zone were analyzed by orientation imaging microscopy (OIM)…”
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Boride Formation Induced by pcBN Tool Wear in Friction-Stir-Welded Stainless Steels by Park, Seung Hwan C., Sato, Yutaka S., Kokawa, Hiroyuki, Okamoto, Kazutaka, Hirano, Satoshi, Inagaki, Masahisa

“…The wear of polycrystalline cubic boron nitride (pcBN) tool and its effect on second phase formation were investigated in stainless steel friction-stir (FS)…”
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Corrosion resistance of friction stir welded 304 stainless steel by Park, Seung Hwan C., Sato, Yutaka S., Kokawa, Hiroyuki, Okamoto, Kazutaka, Hirano, Satoshi, Inagaki, Masahisa

“…Corrosion properties were evaluated in a friction stir welded 304 stainless steel. The degree of the sensitization was small in the heat affected zone, but the…”
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Microstructural factors governing hardness in friction-stir welds of solid-solution-hardened Al alloys by SATO, Yutaka S, PARK, Seung Hwan C, KOKAWA, Hiroyuki

“…Microstructural factors governing hardness in friction-stir welds of the solid-solution-hardened Al alloys 1080 and 5083 were examined by optical microscopy,…”
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Post-weld formability of friction stir welded Al alloy 5052 by Sato, Yutaka S, Sugiura, Yusuke, Shoji, Yohei, Park, Seung Hwan C, Kokawa, Hiroyuki, Ikeda, Keisuke

“…Friction stir (FS) welds in Al alloys could be used as tailor welded blanks in automotive industry. Tailor welded blanks must exhibit adequate formability…”
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Microstructural studies of friction stir welded Zircaloy-4 by Sato, Yutaka S., Nagahama, Yoshito, Mironov, Sergey, Kokawa, Hiroyuki, Park, Seung Hwan C., Hirano, Satoshi

“…Friction stir welding was applied to a zirconium alloy, Zircaloy-4, using a Co-based alloy tool. Zircaloy-4 was successfully welded, and a shiny, smooth…”
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Microstructural evolution and its effect on Hall-Petch relationship in friction stir welding of thixomolded mg alloy AZ91D by PARK, Seung Hwan C, SATO, Yutaka S, KOKAWA, Hiroyuki

“…Microstructural evolution of a thixomolded magnesium (Mg) alloy AZ91D during friction stir welding was investigated. Friction stir welding resulted in a…”
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FIB-assisted TEM study of an oxide array in the root of a friction stir welded aluminium alloy by Sato, Yutaka S., Yamashita, Fumie, Sugiura, Yusuke, Park, Seung Hwan C., Kokawa, Hiroyuki

“…A local region in the preferentially etched line at the root part of a friction stir welded Al alloy was directly observed by TEM. TEM clarified that the…”
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Friction stir welding of metallic glass by Hirano, Satoshi, Park, Seung Hwan C.

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