Search Results - "Shobu, Takahisa"

Comparative study of stress and strain partitioning behaviors in medium manganese and transformation-induced plasticity-aided bainitic ferrite steels by Hojo, Tomohiko, Koyama, Motomichi, Kumai, Bakuya, Shibayama, Yuki, Shiro, Ayumi, Shobu, Takahisa, Saitoh, Hiroyuki, Ajito, Saya, Akiyama, Eiji

“…The origins of the superior work hardening capability of medium manganese (M-Mn) and conventional transformation-induced plasticity-aided bainitic ferrite…”
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Effects of residual stress and plastic strain on hydrogen embrittlement of a stretch-formed TRIP-aided martensitic steel sheet by Hojo, Tomohiko, Akiyama, Eiji, Saitoh, Hiroyuki, Shiro, Ayumi, Yasuda, Ryo, Shobu, Takahisa, Kinugasa, Junichiro, Yuse, Fumio

“…[Display omitted] •Hydrogen embrittlement behavior of a stretch-formed TRIP-aided steel was investigated.•Residual stress and plastic strain were analyzed by…”
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Effects of Stress and Plastic Strain on Hydrogen Embrittlement Fracture of a U-bent Martensitic Steel Sheet by Shibayama, Yuki, Hojo, Tomohiko, Koyama, Motomichi, Saitoh, Hiroyuki, Shiro, Ayumi, Yasuda, Ryo, Shobu, Takahisa, Matsuno, Takashi, Akiyama, Eiji

“…The effects of stress and plastic strain distributions on the hydrogen embrittlement fracture of the U-bent martensitic steel sheet specimen were investigated…”
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Effects of Residual Stress on Hydrogen Embrittlement of a Stretch-Formed Tempered Martensitic Steel Sheet by Nishimura, Hayato, Hojo, Tomohiko, Ajito, Saya, Shibayama, Yuki, Koyama, Motomichi, Saitoh, Hiroyuki, Shiro, Ayumi, Yasuda, Ryo, Shobu, Takahisa, Akiyama, Eiji

“…The effects of residual stress on the hydrogen embrittlement behavior of a tempered martensitic steel sheet with 1-GPa-class tensile strength stretch-formed by…”
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Stress Measurement of Stainless Steel Piping Welds by Complementary Use of High-Energy Synchrotron X-rays and Neutrons by Miura, Yasufumi, Suzuki, Kenji, Morooka, Satoshi, Shobu, Takahisa

“…Probabilistic fracture mechanics (PFM) is increasingly recognized as a viable approach for evaluating the structural integrity of nuclear components, such as…”
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In-situ X-ray imaging of the breakup dynamics of current-carrying molten metal jets during arc discharge by Sato, Yuriko, Shobu, Takahisa, Tominaga, Aki, Sano, Tomokazu, Ogino, Yosuke

“…The flow dynamics of current-carrying molten metal jet breakup during arc discharge serves as mass and heat sources in wire-arc-based metal deposition…”
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Quantifying the dislocation structures of additively manufactured Ti–6Al–4V alloys using X-ray diffraction line profile analysis by Yamanaka, Kenta, Kuroda, Asumi, Ito, Miyu, Mori, Manami, Bian, Huakang, Shobu, Takahisa, Sato, Shigeo, Chiba, Akihiko

“…Ti–6Al–4V alloy is widely used in aerospace and biomedical industries, and its preparation using additive manufacturing techniques has recently attracted…”
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Dissolution and precipitation behaviors of zircon under the atmospheric environment by Kitagaki, Toru, Yoshida, Kenta, Liu, Pengfei, Shobu, Takahisa

“…The reactive behavior of zircon in three different solutions: 0.1 M HCl (aq), ultrapure water, and 0.1 M NaOH (aq) was examined under normal temperature and…”
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Preheat effect on titanium plate fabricated by sputter-free selective laser melting in vacuum by Sato, Yuji, Tsukamoto, Masahiro, Shobu, Takahisa, Yamashita, Yorihiro, Yamagata, Shuto, Nishi, Takaya, Higashino, Ritsuko, Ohkubo, Tomomasa, Nakano, Hitoshi, Abe, Nobuyuki

“…The dynamics of titanium (Ti) melted by laser irradiation was investigated in a synchrotron radiation experiment. As an indicator of wettability, the contact…”
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Crystallinity in periodic nanostructure surface on Si substrates induced by near- and mid-infrared femtosecond laser irradiation by Miyagawa, Reina, Kamibayashi, Daisuke, Nakamura, Hirotaka, Hashida, Masaki, Zen, Heishun, Somekawa, Toshihiro, Matsuoka, Takeshi, Ogura, Hiroyuki, Sagae, Daisuke, Seto, Yusuke, Shobu, Takahisa, Tominaga, Aki, Eryu, Osamu, Ozaki, Norimasa

“…Laser-induced periodic surface structure (LIPSS), which has a period smaller than the laser wavelength, is expected to become a potential technique for fine…”
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In situ synchrotron radiation observation of deformation and annealing processes of aluminum single crystal by SHIRO, Ayumi, OKADA, Tatsuya, SHOBU, Takahisa

“…The objective of the present study is to carry out in situ observations of deformation and annealing of aluminum (Al) single crystals using a synchrotron…”
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Hydrogen embrittlement resistance of pre-strained ultra-high-strength low alloy TRIP-aided steel by Hojo, Tomohiko, Kumai, Bakuya, Koyama, Motomichi, Akiyama, Eiji, Waki, Hiroyuki, Saitoh, Hiroyuki, Shiro, Ayumi, Yasuda, Ryo, Shobu, Takahisa, Nagasaka, Akihiko

“…In the study, the pre-strain effect on hydrogen embrittlement property of the ultra-high-strength transformation-induced plasticity (TRIP)-aided bainitic…”
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Strengthening of biomedical Ni-free Co–Cr–Mo alloy by multipass “low-strain-per-pass” thermomechanical processing by Mori, Manami, Yamanaka, Kenta, Sato, Shigeo, Tsubaki, Shinki, Satoh, Kozue, Kumagai, Masayoshi, Imafuku, Muneyuki, Shobu, Takahisa, Chiba, Akihiko

“…[Display omitted] Further strengthening of biomedical Co−Cr−Mo alloys is desired, owing to the demand for improvements to their durability in applications such…”
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Tensile deformation and recrystallization of aluminum single crystals with sub-grained structures studied by synchrotron X-ray radiation by SHIRO, Ayumi, OKADA, Tatsuya, SHOBU, Takahisa

“…X-ray diffraction experiments were carried out to non-destructively study the interior of aluminum single crystals at the pre-deformation, post-deformation and…”
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X-ray free electron laser observation of ultrafast lattice behaviour under femtosecond laser-driven shock compression in iron by Sano, Tomokazu, Matsuda, Tomoki, Hirose, Akio, Ohata, Mitsuru, Terai, Tomoyuki, Kakeshita, Tomoyuki, Inubushi, Yuichi, Sato, Takahiro, Miyanishi, Kohei, Yabashi, Makina, Togashi, Tadashi, Tono, Kensuke, Sakata, Osami, Tange, Yoshinori, Arakawa, Kazuto, Ito, Yusuke, Okuchi, Takuo, Sato, Tomoko, Sekine, Toshimori, Mashimo, Tsutomu, Nakanii, Nobuhiko, Seto, Yusuke, Shigeta, Masaya, Shobu, Takahisa, Sano, Yuji, Hosokai, Tomonao, Matsuoka, Takeshi, Yabuuchi, Toshinori, Tanaka, Kazuo A., Ozaki, Norimasa, Kodama, Ryosuke

“…Over the past century, understanding the nature of shock compression of condensed matter has been a major topic. About 20 years ago, a femtosecond laser…”
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Convection and joint characteristics in aluminum alloy melting zone during resistance spot welding of dissimilar Fe-Al material in external magnetic field by Funabiki, Yuta, Iyota, Muneyoshi, Shobu, Takahisa, Matsuda, Tomoki, Yumoto, Hirokatsu, Koyama, Takahisa, Yamazaki, Hiroshi, Senba, Yasunori, Ohashi, Haruhiko, Inoue, Ichiro, Yamaguchi, Gota, Hayashi, Yujiro, Yabashi, Makina, Sano, Tomokazu

“…In resistance spot welding (RSW) of Fe and Al alloy, an intermetallic compound (IMC) is formed at the joining interface, and it is known that the strength of…”
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A study on convection in molten zone of aluminum alloy during Fe/Al resistance spot welding by Iyota, Muneyoshi, Matsuda, Tomoki, Sano, Tomokazu, Shigeta, Masaya, Shobu, Takahisa, Yumoto, Hirokatsu, Koyama, Takahisa, Yamazaki, Hiroshi, Senba, Yasunori, Ohashi, Haruhiko, Goto, Shunji, Inoue, Ichiro, Hayashi, Yujiro, Tamasaku, Kenji, Osaka, Taito, Yamada, Jumpei, Yabashi, Makina

“…Aluminum alloys are increasingly being applied to automobile bodies to reduce the weight of automobiles. In joining steel materials and aluminum alloys using…”
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Relationship between Internal Stress Distribution and Microstructure in a Suspension-Sprayed Thermal Barrier Coating with a Columnar Structure by Yamazaki, Yasuhiro, Shinomiya, Keisuke, Okumura, Tadaharu, Suzuki, Kenji, Shobu, Takahisa, Nakamura, Yuiga

“…The suspension plasma spray (SPS) method is expected to become a novel coating method because it can achieve various microstructures using a suspension with…”
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Anomalous small-angle X-ray scattering (ASAXS) study of irradiation-induced nanostructure change in Fe-ion beam irradiated oxide dispersion-strengthened (ODS) steel by Kumada, Takayuki, Oba, Yojiro, Motokawa, Ryuhei, Morooka, Satoshi, Tominaga, Aki, Tanida, Hajime, Shobu, Takahisa, Konno, Azusa, Ohwada, Kenji, Oono, Naoko, Ukai, Shigeharu

“…We have succeeded in observing Fe-ion-beam induced nanostructural change of MA956 oxide dispersion-strengthened (ODS) steel using anomalous small-angle X-ray…”
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Lattice parameter evolution during heating of Ti-45Al-7.5Nb-0.25/0.5C alloys under atmospheric and high pressures by Li, Xi, Dippenaar, Rian, Shiro, Ayumi, Shobu, Takahisa, Higo, Yuji, Reid, Mark, Suzuki, Hiroshi, Akita, Koichi, Funakoshi, Ken-Ichi, Liss, Klaus-Dieter

“…Lattice strain evolution during deformation processing of Ti-Al alloys at high temperature is important in terms of its microstructural evolution and…”
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