Search Results:　 1-20 of 1037

  • 1

    Numerical Analysis of Sample-Size Effect on Strength of Alumina

    Hoshide Toshihiko , Sugiyama Hiroyuki

    … Statistical characteristics of strength distribution in ceramic components should be clarified because of large scatter in ceramics strength. … Characteristics of strength distribution, however, depend on sample size, i.e., the number of tested specimens. … In this study, a numerical procedure in the framework of fracture mechanics was developed to estimate strength distribution of ceramics by assuming the same statistical distribution of cracks in a material. …

    Journal of Materials Engineering and Performance 22(1), 1-8, 2013-01-00

    IR CrossRef

  • 2

    P-6 Characterization of self-cleaning dentures with photocatalytic technology  [in Japanese]

    Sawada T , Kuwabara A , Kumasaka T , Ohno A , Kimoto K

    … In the 3-point bending test, it showed a smaller decrease in flexural strength compared with TiO_2- or HAp-TiO_2-containing acrylic resin; … furthermore, UVA irradiation did not significantly influence its flexural strength compared with control; …

    The journal of the Japanese Society for Dental Materials and Devices 31(5), 389, 2012-09-25

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  • 3

    A-13 Mechanical property of octacalcium phosphate (OCP)/apatite-type I collagen composite with various mineral content  [in Japanese]

    Iijima M , Wakamatsu N , Kamemizu H , Komada Y , Adachi M , Doi Y

    … We have been developing an osteoconductive composite with high strength and toughness, using octacalcium phosphate (OCP)/apatite crystal and type I collagen. … Flexural behavior of the consolidated blocks was studies by 3-point bending tests. … It was found that strength and toughness decreased, while, Young's modulus increased with an increase in the crystal content. …

    The journal of the Japanese Society for Dental Materials and Devices 31(5), 364, 2012-09-25

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  • 4

    Effect of different amounts of 3-methacryloxypropyltrimethoxysilane on the flexural properties and wear resistance of alumina reinforced PMMA

    CHAIJAREENONT Pisaisit , TAKAHASHI Hidekazu , NISHIYAMA Norihiro , ARKSORNNUKIT Mansuang

    … This study evaluated the different amounts of 3-methacryloxypropyltrimethoxysilane (MPS) coated alumina filler particles on flexural strength and wear resistance of alumina reinforced polymethyl methacrylate (PMMA) denture base. … PMMA without alumina particles served as control.Specimens were prepared for flexural strength and wear resistance tests (n=10). …

    Dental Materials Journal 31(4), 623-628, 2012-07-01

    J-STAGE CrossRef References (23)

  • 5

    Mechanical Testing of Bone Strength after Radiofrequency Ablation Treatment (Selected Papers from the 6th ISEM '11-Sendai/Kansai, 2011)

    ONO Yuichi , YAMAMOTO Shuichi , AKAO Takahiro 他

    実験力学 12 (Special Issue), s261-266, 2012-07-00

  • 6

    Effect of Feldspar-Ratio on Sinterability of h-BN/Feldspar Composite  [in Japanese]

    YAMADA Hiroyuki , HASHII Mitsuya

    … We studied the effect of the feldspar ratio on the composite strength. … The melting point of the as-received feldspar was nearly 1500 K. … The bending strength of the composite improved with increasing the feldspar content above 30 vol%. … The highest bending strength of 52 MPa was obtained for the 40 vol% feldspar contained composite. …

    Journal of the Japan Society of Powder and Powder Metallurgy 59(5), 233-238, 2012-05-15

    J-STAGE CrossRef References (10)

  • 7

    P-67 Influence of loading mode on fatigue strength of filler hybrid resin composite  [in Japanese]

    Yamanaka K , Nishikawa I , Takahashi H

    … Since the resin composite is subject to cyclic stress in the oral environment, an understanding of the fatigue strength of resin composite is very important for designing the dental material. … In this study, we investigated fatigue strength of resin composite under three-point bending and axial loading. …

    The journal of the Japanese Society for Dental Materials and Devices 31(2), 168, 2012-03-25

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  • 8

    A-31 Flexural behavior of octacalcium phosphate(OCP)/apatite-type I collagen composite consolidated by various methods  [in Japanese]

    Iijima M , Wakamatu , N , Kamemizu H , Adachi M

    … Flexural behavior of the consolidated blocks was studies by 3-point bending tests. … It was found that the consolidation temperature and wetness were critical to increase the strength and toughness. …

    The journal of the Japanese Society for Dental Materials and Devices 31(2), 146, 2012-03-25

    CiNii Fulltext PDF - Subscription  Ichushi Web References (3)

  • 9

    VaRTM 成形による箱形断面CFRP 梁の曲げ挙動に及ぼす積層構成の影響  [in Japanese]

    櫻庭 浩樹 , 松本 高志 , 堀本 歴 , 林川 俊郎

    … The specimens are testedunder four point bending. … The bending tests show that initial stiffness of eachspecimen corresponds to the one calculated by Timoshenko's beam theory andthat the two laminate structures affect longitudinal normal strain and in-planeshear strain. … QI exhibits higher flexural strength than CP, and they fail withdifferent failure modes. …

    構造工学論文集 A 58, 946-958, 2012-03-00

    IR

  • 10

    Mechanical Characteristics and Bond Strength of Experimentally Produced Bonding Agents Containing S-PRG Fillers  [in Japanese]

    MURATA Yuki , KOTAKE Hirotomo , KAMEMIZU Hideo , HOTTA Masato

    ボンディング材中のフィラー含有量は機械的性質および硬化特性にも大きく影響すると考えられる.そこで,接着性モノマーやベースモノマーの基本組成は同じもので,フッ素イオンを徐放するだけでなく,Al^<3+>, Sr^<2+>などの金属イオンやSiO^<2->_3, BO^<3->_3などのメタロイドイオンも放出することを特徴としているS-PRG (Surf …

    日本歯科保存学雑誌 55(1), 84-96, 2012-02-29

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  • 11

    FLEXURAL BEHAVIOR OF CFRP BOX BEAMS WITH DIFFERENT LAMINATE STRUCTURES  [in Japanese]

    櫻庭 浩樹 , 松本 高志 , 林川 俊郎

    … They were tested underfour point bending. … The bending tests show that L2D1 exhibits the highest stiffness, followed byL1D1, L1D2, QISO60, L1T1D2, and L1T1. … QISO60 exhibits the highest flexural strength although all thespecimens had a premature damage near loading plates. …

    土木学会論文集A1（構造・地震工学） 68(1), 73-87, 2012-02-20

    IR CrossRef

  • 12

    Effect of Stretching Force for Spring Back of High Strength Steel Sheets under Bending  [in Japanese]

    "Naka Tetsuo , Murakami Hidemasa , Hashimoto Tomoaki"

    … To satisfy these demands, high strength steel sheets are increasingly being used for automobile structure. … In the present work, spring back of high strength steel sheets under bending were investigated performing three points bending and three points stretch bending experiments with various punch-radii and two types die span on four types of high strength steel sheets (590-1180MPa). …

    弓削商船高等専門学校紀要 34, 1-7, 2012-02-01

    CiNii Link1

  • 13

    Finite Element Analysis of Corrugated Board under Bending Stress

    Park Jongmin , Kim Ghiseok , Kwon Soonhong , Chung Sungwon , Kwon Soongoo , Choi Wonsick , Mitsuoka Muneshi , Inoue Eiji , Okayasu Takashi , Choe Jungseob , 光岡 宗司 , 井上 英二 , 岡安 崇史

    … Corrugated board is an engineering structure, whose strength characteristics depend on the cross–section geometry and the material properties of liner and corrugated medium. … The results of board combinations can greatly affect the buckling resistance and compression strength of the box. … In this study, we observed the strength–optimal design conditions for the corrugated board combinations by analyzing the flexural stiffness index (FSI). …

    Journal of the Faculty of Agriculture, Kyushu University 57(1), 181-188, 2012-02-00

    IR

  • 14

    Loading rate dependence and size effect on bending strength in porous ceramics  [in Japanese]

    MATSUDA Shinya , ASADA Masaya

    … This paper presents effects of loading rate and specimen size on bending strength in porous ceramics. … We performed 4-point bending test using porous ceramics specimens of sizes of 4w×4t×40L mm and 6w×4t×40Lmm under cross head speeds of 0.5, 0.01 and 0.005mm/min. As the result, the bending strength of both specimens decreased with decrease of crosshead speed due to delayed fracture. …

    Memoirs of Numazu College of Technology 46, 1-4, 2012-01-31

    CiNii Fulltext PDF - Open Access 

  • 15

    Determination of Creep Life of Glass Fiber/Phenol Composite Filled with Carbon Nanotubes by Four-Point Flexural Creep Test

    Xu Anchang , Nozaki Hiroshi , Bao Limin , Kemmochi Kiyoshi

    … To decrease the probability of cracking between laminae, carbon nanotubes (CNTs), which exhibit a high potential as reinforcement for polymers, were used to enhance the interlaminar strength and to obtain an FRP product with a higher longevity. … Subsequently, bending and creep tests revealed that, in certain percentage of cases, the bending strength and lifetime of FRP products were improved by increasing the CNTs mass fraction. …

    Jpn J Appl Phys 51(1), 01AK03-01AK03-5, 2012-01-25

    The Japan Society of Applied Physics

  • 16

    Mechanical and thermal properties of denture PMMA reinforced with silanized aluminum borate whiskers

    ZHANG Xinjing , ZHANG Xiuyin , ZHU Bangshang , LIN Kaili , CHANG Jiang

    … were mixed into the PMMA resin matrix to prepare ABW/PMMA composites, which were subjected to three-point bending test, Vickers hardness test, and thermal analysis. … Silanized ABWs improved the flexural strength, surface hardness, and thermal stability of PMMA. …

    Dental Materials Journal 31(6), 903-908, 2012

    J-STAGE CrossRef

  • 17

    Effects of Thermal Loading Conditions on the Mechanical Properties of S45C/Cu/Si<font size="-1">3</font>N<font size="-1">4</font> Composites  [in Japanese]

    SETTSU Nobuhiro , TAKAHASHI Manabu , MATSUSHITA Masafumi , OGI Keiji , TSUTSUMI Mitsuyoshi

    … Four-point bending tests were conducted on the samples to evaluate the residual strength and stress strain characteristics of the samples. … The increases in the cycle number and temperature range of thermal loading promoted reductions of residual strength, resilient modulus and residual fracture ductility for the samples. …

    Journal of the Society of Materials Science, Japan 61(3), 292-298, 2012

    J-STAGE CrossRef

  • 18

    Comparison of the Mechanical Property at High Temperatures of C/C Composites Fabricated from PAN- and Pitch-Based Carbon Fibers  [in Japanese]

    IWASHITA Norio , YAMAUCHI Hiroshi , SUZUKI Shigeru

    … The mechanical property of the composites is then evaluated using a 4-point bending test at ambient temperature, 2000°C and 2200°C. … The morphology of the C/C composites following the bending test at different temperatures is observed under OM and SEM. … The bending strength of C/C composites at 2000°C is ca. …

    Journal of the Society of Materials Science, Japan 61(5), 462-467, 2012

    J-STAGE CrossRef

  • 19

    Mechanical Behavior of Resin Hybrid Braided Composites Considering Micro Fractures  [in Japanese]

    SAKODA Kentaro , KITAYAMA Amane , OHTANI Akio , NAKAI Asami

    … At first, the effects of position and the number of fiber bundle impregnated with flexible resin on the fracture mechanism, tensile properties and three point bending impact properties were investigated. … By combining the experimental results and finite element analysis, the material constants such as Weibull modulus and interfacial shear strength of fiber bundle impregnated with normal and flexible resin were identified. …

    Journal of the Society of Materials Science, Japan 61(7), 654-661, 2012

    J-STAGE CrossRef

  • 20

    Mechanical Strength Properties of Cu/AlN Composites Subjected to Cyclic Thermal Loadings  [in Japanese]

    SETTSU Nobuhiro , TAKAHASHI Manabu , MATSUSHITA Masafumi , OKABE Nagatoshi

    … We investigate the mechanical strength of ceramic/metal composites subjected to cyclic thermal loading. … Four-point bending tests are conducted to evaluate the residual strength. … The results reveal that the residual strength increases during 0∼20cycles because of residual thermal stress relaxation. …

    Journal of the Society of Materials Science, Japan 61(6), 530-536, 2012

    J-STAGE CrossRef