Search Results - "Uematsu, Y."

A newly developed tool without probe for friction stir spot welding and its performance by Tozaki, Y., Uematsu, Y., Tokaji, K.

“…A newly developed tool for friction stir spot welding (FSSW) has been proposed, which has no probe, but a scroll groove on its shoulder surface (scroll tool)…”
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Flat and twin-free InAs layer growth on Ge (1 1 1) substrates by Kajikawa, Y., Uematsu, Y., Tanabe, K.

“…•InAs layers were grown on Ge vicinal (1 1 1) substrates.•GaSb layers were used as buffer layers.•Atomic force microscopy revealed flat InAs surfaces.•Twins…”
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Effect of aging treatment on fatigue behaviour in extruded AZ61 and AZ80 magnesium alloys by Uematsu, Y., Tokaji, K., Matsumoto, M.

“…The effect of aging treatment on fatigue behaviour in extruded Mg alloys AZ61 and AZ80 was studied. Rotary bending fatigue tests were performed using…”
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Novel biallelic mutations in the PNPT1 gene encoding a mitochondrial‐RNA‐import protein PNPase cause delayed myelination by Sato, R., Arai‐Ichinoi, N., Kikuchi, A., Matsuhashi, T., Numata‐Uematsu, Y., Uematsu, M., Fujii, Y., Murayama, K., Ohtake, A., Abe, T., Kure, S.

“…Recent studies suggest that impaired transcription or mitochondrial translation of small RNAs can cause abnormal myelination. A polynucleotide phosphorylase…”
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EBSD‐assisted fractography of sub‐surface fatigue crack initiation mechanism in the ultrasonic‐shot‐peened βeta‐type titanium alloy by Uematsu, Y., Kakiuchi, T., Hattori, K.

“…β‐type titanium alloy was surface treated by an ultrasonic shot peening (USP) process. Rotating bending fatigue tests were conducted to investigate the effect…”
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Effect of re-filling probe hole on tensile failure and fatigue behaviour of friction stir spot welded joints in Al–Mg–Si alloy by Uematsu, Y., Tokaji, K., Tozaki, Y., Kurita, T., Murata, S.

“…In this study, the fatigue behaviour of Al–Mg–Si aluminium alloy joints joined by friction stir spot welding (FSSW) was investigated. FSSW was performed using…”
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Metabolic Syndrome and Cognitive Function: Cross-Sectional Study on Community-Dwelling Non-Demented Older Adults in Japan by Buyo, Momoko, Takahashi, S., Iwahara, A., Tsuji, T., Yamada, S., Hattori, S., Uematsu, Y., Arita, M., Ukai, S.

“…Aim This is a cross-sectional study of relation between metabolic syndrome and cognitive function in community-dwelling non-demented older adults in Japan. We…”
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Fatigue behaviour of friction stir welds without neither welding flash nor flaw in several aluminium alloys by Uematsu, Y., Tokaji, K., Shibata, H., Tozaki, Y., Ohmune, T.

“…Fully reversed axial fatigue tests have been performed in order to investigate the fatigue behaviour in the friction stir welds of 1050-O, 5083-O, 6061-T6 and…”
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Effect of extrusion conditions on grain refinement and fatigue behaviour in magnesium alloys by Uematsu, Y., Tokaji, K., Kamakura, M., Uchida, K., Shibata, H., Bekku, N.

“…This paper describes the grain refinement due to controlled extrusion and the fatigue behaviour of the extruded materials in three magnesium alloys, AZ31B,…”
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Non‐destructive evaluation of fatigue damage and fatigue crack initiation in type 316 stainless steel by positron annihilation line‐shape and lifetime analyses by Uematsu, Y, Kakiuchi, T, Hattori, K, Uesugi, N, Nakao, F

“…Rotating bending fatigue tests were conducted using type 316 stainless steel. The fatigue tests were periodically terminated, and fatigue damage and fatigue…”
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Effects of shot peening on fatigue behavior in high speed steel and cast iron with spheroidal vanadium carbides dispersed within martensitic-matrix microstructure by Uematsu, Y., Kakiuchi, T., Tokaji, K., Nishigaki, K., Ogasawara, M.

“…Four-point bending fatigue tests had been performed using high speed steel and cast iron with vanadium carbides (VCs) dispersed within the martensitic-matrix…”
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Fatigue behaviour of SiC-particulate-reinforced aluminium alloy composites with different particle sizes at elevated temperatures by Uematsu, Y., Tokaji, K., Kawamura, M.

“…Fully reversed axial fatigue tests have been performed at 150 °C (423 K) and 250 °C (523 K) using smooth specimens of SiC-particulate-reinforced aluminium…”
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Beam background study for the Belle II Silicon Vertex Detector by Tanigawa, H., Adamczyk, K., Aihara, H., Aziz, T., Bacher, S., Bahinipati, S., Batignani, G., Baudot, J., Behera, P.K., Bettarini, S., Bilka, T., Bozek, A., Buchsteiner, F., Casarosa, G., Červenkov, D., Chen, Y.Q., Corona, L., Czank, T., Das, S.B., Dash, N., de Marino, G., Doležal, Z., Dujany, G., Forti, F., Friedl, M., Ganiev, E., Gobbo, B., Halder, S., Hara, K., Hazra, S., Higuchi, T., Irmler, C., Ishikawa, A., Jeon, H.B., Joo, C., Kaleta, M., Kaliyar, A.B., Kandra, J., Kang, K.H., Kapusta, P., Kodyš, P., Kohriki, T., Kumar, M., Kumar, R., Kvasnička, P., Licata, C. La, Lalwani, K., Lanceri, L., Lee, S.C., Li, Y.B., Libby, J., Lueck, T., Maity, S., Mayekar, S.N., Mohanty, G.B., Grimaldo, J.A. Mora, Morii, T., Nakamura, K.R., Nakayama, H., Natkaniec, Z., Onuki, Y., Ostrowicz, W., Paladino, A., Paoloni, E., Park, H., Rao, K.K., Ripp-Baudot, I., Rizzo, G., Rout, N., Sahoo, D., Santelj, L., Sato, N., Schwanda, C., Suzuki, J., Tanaka, S., Thalmeier, R., Tsuboyama, T., Uematsu, Y., Vahsen, S.E., Verbycka, O., Vitale, L., Wan, K., Watanuki, S., Webb, J., Wiechczynski, J., Yin, H., Zani, L., Zhang, T.

“…The Belle II experiment aims to accumulate 50ab−1 of e+e− collision data at the SuperKEKB asymmetric energy collider (Tsukuba, Japan). The first physics data…”
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Effect of processing parameters on static strength of dissimilar friction stir spot welds between different aluminium alloys by TOZAKI, Y., UEMATSU, Y., TOKAJI, K.

“…ABSTRACT The effect of processing parameters on static strength and fracture mechanisms of dissimilar friction stir spot welds between different aluminium…”
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Performance of the Belle II Silicon Vertex Detector by Tanigawa, H., Adamczyk, K., Aihara, H., Aziz, T., Bacher, S., Bahinipati, S., Batignani, G., Baudot, J., Behera, P.K., Bettarini, S., Bilka, T., Bozek, A., Buchsteiner, F., Casarosa, G., Červenkov, D., Chen, Y.Q., Corona, L., Czank, T., Das, S.B., Dash, N., de Marino, G., Doležal, Z., Dujany, G., Forti, F., Friedl, M., Ganiev, E., Gobbo, B., Halder, S., Hara, K., Hazra, S., Higuchi, T., Irmler, C., Ishikawa, A., Jeon, H.B., Joo, C., Kaleta, M., Kaliyar, A.B., Kandra, J., Kang, K.H., Kapusta, P., Kodyš, P., Kohriki, T., Kumar, M., Kumar, R., Kvasnička, P., La Licata, C., Lalwani, K., Lanceri, L., Lee, S.C., Li, Y.B., Libby, J., Lueck, T., Maity, S., Mayekar, S.N., Mohanty, G.B., Grimaldo, J.A. Mora, Morii, T., Nakamura, K.R., Natkaniec, Z., Onuki, Y., Ostrowicz, W., Paladino, A., Paoloni, E., Park, H., Rao, K.K., Ripp-Baudot, I., Rizzo, G., Rout, N., Sahoo, D., Sato, N., Schwanda, C., Suzuki, J., Tanaka, S., Thalmeier, R., Tsuboyama, T., Uematsu, Y., Verbycka, O., Vitale, L., Wan, K., Watanuki, S., Webb, J., Wiechczynski, J., Yin, H., Zani, L., Zhang, T.

“…The Belle II experiment at the SuperKEKB collider of KEK (Japan) started recording physics data in spring 2019 with all its subdetectors installed and with the…”
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Effect of temperature on high cycle fatigue behaviour in 18Cr–2Mo ferritic stainless steel by Uematsu, Y., Akita, M., Nakajima, M., Tokaji, K.

“…Fully reversed axial fatigue tests have been performed using smooth specimens of 18Cr–2Mo ferritic stainless steel (type 444) at ambient temperature, 673 K and…”
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Effect of thick DLC coating on fatigue behaviour of magnesium alloy in laboratory air and demineralised water by UEMATSU, Y., TOKAJI, K., TAKEKAWA, H.

“…ABSTRACT Rotating bending fatigue tests have been performed using Diamond‐like carbon (DLC) coated specimens of a wrought magnesium alloy, AZ80A, in laboratory…”
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Fatigue crack paths and properties in A356-T6 aluminum alloy microstructurally modified by friction stir processing under different conditions by Tajiri, A, Uematsu, Y, Kakiuchi, T, Suzuki, Y

“…A356-T6 cast aluminum alloy is a light weight structural material, but fatigue crack initiates and propagates from a casting defect leading to final fracture…”
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Some factors exerting an influence on the coaxing effect of austenitic stainless steels by AKITA, M., NAKAJIMA, M., UEMATSU, Y., TOKAJI, K., JUNG, J.-W.

“…ABSTRACT The present paper describes some factors exerting an influence on the coaxing effect of austenitic stainless steels. Particularly, the influence of…”
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High-cycle fatigue properties of beta Ti alloy 55Ti-30Nb-10Ta-5Zr, gum metal by Akita, M., Nakajima, M., Uematsu, Y., Tokaji, K., Kojima, T.

“…ABSTRACT This paper describes the fatigue properties of the beta titanium alloy 55Ti–30Nb–10Ta–5Zr, generally referred to as ‘Gum Metal’. Rotating bending…”
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