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Yamamoto, Kazunori; Taguchi, Tomitsugu; Hanada, Kotaro*; Osawa, Eiji*; Inakuma, Masayasu*; Livramento, V.*; Correia, J, B.*; Shohoji, Nobumitsu*
Diamond and Related Materials, 16(12), p.2058 - 2062, 2007/12
Times Cited Count:6 Percentile:31.25(Materials Science, Multidisciplinary)Nano-sized polymorphs of carbon continue to attract much attention of scientists and provide new targets of examination with transmission electron microscope (TEM). We present here TEM images of a number of nanocarbons which played critical roles in some stage of their R&D, such as mechanical alloying of Cu and nanodiamond, diamond from soot, and short carbon nanocylinders by milling with microbeads. Emphasis is placed on nanodiamonds.
Hanada, Kotaro*; Yamamoto, Kazunori; Taguchi, Tomitsugu; Osawa, Eiji*; Inakuma, Masayasu*; Livramento, V.*; Correia, J, B.*; Shohoji, Nobumitsu*
Diamond and Related Materials, 16(12), p.2054 - 2057, 2007/12
Times Cited Count:26 Percentile:70.34(Materials Science, Multidisciplinary)This paper describes the microstructures and mechanical properties of Cu nanocomposites containing 0-30 at% diamond nanoparticles. The Cu nanocomposite powders are fabricated by mechanical milling method and are consolidated by spark plasma sintering and hot extrusion. Microstructural observation shows that the homogeneous distribution of diamond nanoparticles in the Cu nanocomposite can be achieved by extrusion with large plastic deformation, in spite of 20 at% diamond content, and that the nanocomposite with homogeneous distribution of diamond nanoparticles has ultra-fine grain structure, approximately 50 nm. Vickers hardness and compression tests on the SPS-consolidated and hot-extruded samples show that the detonation nanodiamond dispersed homogeneously in the Cu matrix enhances the mechanical properties.
Davies, A. R.*; Field, J. E.*; Takahashi, Koji; Hada, Kazuhiko
Diamond and Related Materials, 14(1), p.6 - 10, 2005/01
Times Cited Count:21 Percentile:61.84(Materials Science, Multidisciplinary)A CVD diamond is finding increased application and it is important to study its fatigue properties. The present paper describes research on a batch of di-electric grade CVD material. It was obtained that tensile strength at the nucleation side and the growth were side 69090MPa and 28030MPa, respectively. Some samples survived at least 95% of their critical fracture stress for 10 cycles without fatiguing.
Turkevich, V.*; Okada, Taku; Utsumi, Wataru; Garan, A.*
Diamond and Related Materials, 11(10), p.1769 - 1773, 2002/10
Times Cited Count:18 Percentile:64.18(Materials Science, Multidisciplinary)no abstracts in English
Abe, Hiroaki
Diamond and Related Materials, 10(3-7), p.1201 - 1204, 2001/07
Times Cited Count:16 Percentile:63.5(Materials Science, Multidisciplinary)no abstracts in English
Narumi, Kazumasa; Naramoto, Hiroshi
Diamond and Related Materials, 10(3-7), p.980 - 983, 2001/03
Times Cited Count:3 Percentile:22.28(Materials Science, Multidisciplinary)no abstracts in English
Kaneko, Junichi; Yonezawa, Chushiro; Kasugai, Yoshimi; Sumiya, Hitoshi*; Nishitani, Takeo
Diamond and Related Materials, 9(12), p.2019 - 2023, 2000/12
Times Cited Count:9 Percentile:47.87(Materials Science, Multidisciplinary)no abstracts in English
Taniguchi, Takashi*; Sato, Masashi*; Utsumi, Wataru; Kikegawa, Takumi*; Shimomura, Osamu
Diamond and Related Materials, 6(12), p.1806 - 1815, 1997/12
Times Cited Count:17 Percentile:69.62(Materials Science, Multidisciplinary)no abstracts in English
Isoya, Junichi*; Kanda, Hisao*; Akaishi, Minoru*; Morita, Yosuke; Oshima, Takeshi
Diamond and Related Materials, 6(2-4), p.356 - 360, 1997/03
Times Cited Count:33 Percentile:83.79(Materials Science, Multidisciplinary)no abstracts in English