Search Results - "Kubushiro, Keiji"

Evaluation of Reheat Cracking Susceptibility in High Strength Austenitic Stainless Steels by Nomura, Kyohei, Kubushiro, Keiji

“…In order to assess the susceptibility to reheat cracking of high-strength austenitic stainless steels of KA-SUS304J1HTB and KA-SUS310J1TB, we established a…”
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Creep rupture strength and phase stability of the austenite phase for KA-SUS304J1HTB by Shioda, Yoshiki, Saito, Noriko, Nomura, Kyohei, Kubushiro, Keiji

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Difference in the Effect of Cold Working and Tempering on Microstructure of Mod.9Cr–1Mo Steel by Shioda, Yoshiki, Kubushiro, Keiji, Murata, Yoshinori

“…The difference in the effect of cold working and tempering on the microstructure of Mod.9Cr–1Mo steel was investigated by means of X-ray diffraction (XRD),…”
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Creep-Fatigue Damage for Boiler Header Stub Mock-Up Specimen of 47Ni–23Cr–23Fe–7W Alloy by Yamazaki, Naoki, Nomura, Kyohei, Kubushiro, Keiji

“…Header stub welds for thermal power plants undergo creep-fatigue damage due to thermal expansion and contraction, which are caused by cyclic startup and…”
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Influences of heat treatments on the strength properties of amorphous SiC fibers by Kanazawa, Shingo, Yamazaki, Naoki, Kishi, Tomonori, Kubushiro, Keiji

“…Amorphous SiC fibers are known to have larger failure strain than crystalline SiC fibers, thereby facilitating manufacturing of ceramic matrix composites…”
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Effect of Initial Microstructure on Creep Strength of ASME Grade T91 Steel by Sawada, Kota, Sekido, Kaoru, Kimura, Kazuhiro, Arisue, Ko, Honda, Masaki, Komai, Nobuyoshi, Fukuzawa, Norihide, Ueno, Tomonori, Shimohata, Nobuaki, Nakatomi, Hitoshi, Takagi, Kenji, Kimura, Takahiro, Nomura, Kyohei, Kubushiro, Keiji

“…To clarify the cause of heat-to-heat variation in the creep strength of Grade T91 steels, the influence of the initial microstructure on creep strength was…”
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Creep Rupture Strength for Weld Joint of 23Cr-45Ni-7W Alloy by Nomura, Kyohei, Kubushiro, Keiji, Nakagawa, Hirokatsu, Murata, Yoshinori

“…The creep rupture strength and the degradation mechanism of 23Cr-43Ni-7W alloy weld joints were investigated using creep rupture tests and microstructure…”
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The fracture behavior transitions in cold dwell fatigue of Ti-6Al-4V by Ozaki, Tomomichi, Ota, Yutaro, Kubushiro, Keiji, Sano, Kokichi

“…Ti-6Al-4V forged materials which had fine grain size and commercial billet which had moderate grain size and micro texture were prepared. Cold dwell fatigue…”
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Effect of Pre-strain on the Creep Strength of Ni-Based Alloys for A-USC Boilers by Kubushiro, Keiji, Shioda, Yoshiki, Nomura, Kyohei

“…In order to clarify the effects of cold work on the creep rupture strengths of Ni-based alloy, the relationship between the pre-strain and the creep rupture…”
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火SUS304J1HTBのクリープ破断強度と相安定性 by 塩田, 佳紀, 齋藤, 規子, 野村, 恭兵, 久布白, 圭司

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Round robin crystal orientation measurement using EBSD for damage assessment by KAMAYA, Masayuki, KUBUSHIRO, Keiji, SAKAKIBARA, Yohei, SUZUKI, Seiichi, MORITA, Hirobumi, YODA, Rika, KOBAYASHI, Daisuke, YAMAGIWA, Kenta, NISHIOKA, Tomoya, YAMAZAKI, Yasuhiro, KAMADA, Yasuhiro, HANADA, Takeshi, OHTANI, Toshihiro

“…Crystal orientations of creep damaged Type 316 stainless steel were measured by 10 organizations using the same specimens, passed in a round robin, in order to…”
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The life evaluation by linear cumulative damage rule for cold dwell fatigue of Ti‐6Al‐4V alloy by Ota, Yutaro, Kubushiro, Keiji, Yamazaki, Yasuhiro

“…Low cycle fatigue (LCF) life at ambient temperature of Ti alloys is well known to decrease with stress dwell. This phenomenon, called cold dwell fatigue (CDF),…”
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High‐temperature fatigue crack propagation mechanism of orthogonal 3‐D woven amorphous SiC Fiber/SiC/YSi2‐Si matrix composites by Kanazawa, Shingo, Yamazaki, Naoki, Asakura, Yuki, Kubushiro, Keiji, Ogasawara, Toshio

“…To elucidate degradation mechanisms attributable to high‐temperature fatigue crack propagation, a study was conducted of 3‐D woven SiCf/SiC CMC in which…”
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High‐temperature fatigue crack propagation mechanism of orthogonal 3‐D woven amorphous SiC Fiber/SiC/YSi 2 ‐Si matrix composites by Kanazawa, Shingo, Yamazaki, Naoki, Asakura, Yuki, Kubushiro, Keiji, Ogasawara, Toshio

“…Abstract To elucidate degradation mechanisms attributable to high‐temperature fatigue crack propagation, a study was conducted of 3‐D woven SiC f /SiC CMC in…”
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Effect of impurity elements on the creep rupture strength of Gr. 91 steel welded joints at 650 °C by Sato, Katsuhiro, Mitsuhara, Masatoshi, Nagata, Kodai, Kubushiro, Keiji, Nomura, Kyohei, Kimura, Takahiro, Shioda, Yoshiki, Sawada, Kota, Kimura, Kazuhiro, Nakashima, Hideharu

“…The upper limits for Sb, As, and Sn in Gr. 91 steel are set by the recent standardized Gr. 91 Type 2 specification. To clarify how the three impurities impact…”
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Creep Rupture Strength and Phase Stability of the Austenite Phase for KA-SUS304J1HTB by Shioda, Yoshiki, Saito, Noriko, Nomura, Kyohei, Kubushiro, Keiji

“…Metallurgical factor causing the heat-to-heat variation in creep rupture strength have been investigated for KA-SUS304J1HTB. In the long-term, there was a…”
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Evaluation of depth of dislocation visibility in SEM electron channeling contrast imaging in Ti-6Al-4V alloy using serial sectioning method by Yamasaki, Shigeto, Deguchi, Misaki, Mitsuhara, Masatoshi, Nakashima, Hideharu, Ota, Yutaro, Kubushiro, Keiji

“…Abstract In this study, we conducted a quantitative evaluation of dislocation density by scanning electron microscopy electron channeling contrast imaging for…”
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Effect of Initial Microstructure on Creep Strength of ASME Grade T91 Steel by Sawada, Kota, Sekido, Kaoru, Kimura, Kazuhiro, Arisue, Ko, Honda, Masaki, Komai, Nobuyoshi, Fukuzawa, Norihide, Ueno, Tomonori, Shimohata, Nobuaki, Nakatomi, Hitoshi, Takagi, Kenji, Kimura, Takahiro, Nomura, Kyohei, Kubushiro, Keiji

“…To clarify the cause of heat-to-heat variation in the creep strength of Grade T91 steels, the influence of the initial microstructure on creep strength was…”
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