[機関定額制] 来年度の利用継続手続きを受付中です (2012年2月8日)

検索結果:　 138件中 1-20 を表示

1

Synthesis and characterization of Si-based materials: zeolites and SiAlONs

WAKIHARA Toru

… The SiAlON ceramics, of which α-SiAlON and β-SiAlON are representative phases, are useful for engineering applications because of their excellent mechanical and chemical properties. …

Journal of the Ceramic Society of Japan 119(1388), 255-260, 2011

J-STAGE CrossRef
2

Synthesis of β-SiAlON-AlN-Polytypoid Ceramics from Aluminum Dross

LI Jiajing , WANG Jun , CHEN Haiyan , SUN Baode , JIA Junbiao

Materials transactions 51(5), 844-848, 2010-05-01

参考文献24件
3

Oxidation of β-SiAlONs prepared by a combination of combustion synthesis and spark plasma sintering

Yi Xuemei , Yamauchi Akira , Kurokawa Kazuya , Akiyama Tomohiro

… The oxidation of β-Si_[6-z]AlzOzN_[8-z]s (z = 1, 2, and 3) prepared by a combination of combustion synthesis (CS) and spark plasma sintering (SPS) was investigated. … The results of XRD and EPMA showed that the oxide formed on β-SiAlONs (z = 1 and 2) consists of silica and mullite, and on β-SiAlON (z = 3) of only mullite. …

Corrosion Science 52(5), 1738-1745, 2010-05

機関リポジトリ CrossRef
4

Mechanical-activated, combustion synthesis of β-SiAlON

Yi Xuemei , Akiyama Tomohiro

… In this paper, β-Si_[6-z]AlzOzN_[8-z] (z = 1) powder was synthesized via combustion synthesis (CS) assisted with mechanical activation by a high energy planetary ball milling under various nitrogen pressures (0.7, 1.0, 1.5, and 2.5 MPa). … The effect on the nitrogen pressure required for CS of β-SiAlON was also examined. …

Journal of Alloys and Compounds 495(1), 144-148, 2010-04-09

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5

Fabrication of dense β-SiAlON by a combination of combustion synthesis (CS) and spark plasma sintering (SPS)

Yi Xuemei , Watanabe Kotaro , Akiyama Tomohiro

… First, β-SiAlON (z = 1, 2, 3, and 4) powders were combustion-synthesized from well-mixed powders of Si, Al, and SiO2 under a low nitrogen pressure of 1 MPa using β-SiAlON (calculated z = 1.14) as the diluent. … however, pure β-SiAlON compacts were successfully obtained after SPS. …

Intermetallics 18(4), 536-541, 2010-04

機関リポジトリ CrossRef 被引用文献1件
6

The z value dependence of photoluminescence in Eu^[2+]-doped β-SiAlON (Si_[6-z]AlzOzN_[8-z]) with 1 ≤ z ≤ 4

Zhu X. W. , Masubuchi Y. , Motohashi T. , Kikkawa S.

… Eu^[2+]-doped β-SiAlON (Si_[6-z]AlzOzN_[8-z]) phosphors with 1 ≤ … The combination of two emission bands in a compound could lead to a white emission in Eu^[2+]-doped β-SiAlON with 2 < …

Journal of Alloys and Compounds 489(1), 157-161, 2010-01-07

機関リポジトリ CrossRef
7

Vickers hardness of β-SiAlON prepared by a combination of combustion synthesis and spark plasma sintering

YI Xuemei , WATANABE Kotaro , AKIYAMA Tomohiro

… This paper describes the Vickers hardness (Hv) of dense β-Si6-zAlzOzN8-z (z = 1, 2, and 3) prepared by the combination of combustion synthesis (CS) and spark plasma sintering (SPS). … The ISE shows more clearly on the β-SiAlON with z = 3, while it reaches a saturation value when the applied indentation load F ≥ …

Journal of the Ceramic Society of Japan 118(1375), 250-252, 2010

J-STAGE CrossRef
8

Emission color tuning of laminated and mixed SiAlON phosphor films by electrophoretic deposition

KITABATAKE Takuya , UCHIKOSHI Tetsuo , MUNAKATA Fumio , SAKKA Yoshio , HIROSAKI Naoto

… The laminated or mixed films of SiAlON phosphors were prepared on ITO glasses by electrophoretic deposition (EPD). … Three types of SiAlON phosphors, Eu doped Ca-α-SiAlON, β-SiAlON and CaAlSiN3, which emit the lights of yellow (λ = 585 nm), green (540 nm) and red (620 nm), respectively, were used for the color tuning. …

Journal of the Ceramic Society of Japan 118(1373), 1-4, 2010

J-STAGE CrossRef
9

Preparation of Eu-doped β- and 15R-SiAlONs by ammonia nitridation of the precursor obtained using aluminum glycine gel

Masubuchi Yuji , Yoshikawa Mitsue , Takeda Takashi , Kikkawa Shinichi

… Synthesis of Eu-doped β- and 15R-SiAlONs was studied by the ammonia nitridation of precursors derived from an α-Si3N4 fine powder dispersed in aluminum glycine gel with various Si/Al ratio and post-annealing in a nitrogen pressure furnace. … The largest amount of β-SiAlON was observed in the product at 1750℃ for Si/Al = 1/1 with small amounts of both α- and 15R-SiAlON impurities. …

Journal of Alloys and Compounds 487(1-2), 409-412, 2009-11-13

機関リポジトリ CrossRef
10

Corrosion and oxidation behaviour of β-SiAlON ceramics via different processing route

PLACHKY T. , KRESTAN J. , KORENKO M. , MEDRI V. , LENCES Z. , SAJGALIK P.

… The corrosion resistance of β-SiAlON based advanced ceramic materials in molten aluminum, equimolar NaCl-KCl melt and also in the melted mixture of NaF and AlF3 (molar ratio 1 : 1.163) were investigated. … Two kinds of β-SiAlONs were tested; …

Journal of the Ceramic Society of Japan 117(1364), 482-488, 2009-04-01

J-STAGE CrossRef 参考文献22件
11

燃焼合成したβ-SiAlON粉末のホットプレス焼結--焼結助剤がおよぼす機械的性質への影響

横内正洋 , 小野洋介 , 清水幸喜

研究報告 (15), 9-12, 2009
12

NMR study on the formation mechanism of β-SiAlON from zeolite by nitridation using ammonia gas

WAKIHARA Toru , SAITO Yuri , TATAMI Junichi , KOMEYA Katsutoshi , MEGURO Takeshi , MACKENZIE Kenneth J.D. , TAKAGI Shinichi , YOKOUCHI Masahiro

… β-SiAlON was synthesized from a zeolite by NH_3 gas nitridation and its formation mechanism was investigated using X-ray diffraction and ^<29>Si and ^<27>Al NMR spectroscopy. … It was revealed that most of the Si and Al atoms react to form β-SiAlON via amorphous forms of Si-Al-O-N and O-SiAlON. …

Journal of the Ceramic Society of Japan 116(1357), 980-983, 2008-09-01

CiNii PDF - オープンアクセス J-STAGE CrossRef 参考文献26件
13

Corrosion behavior of reaction bonded Si_3N_4-SiC and SiAlON-SiC composites in simulated aluminum smelting conditions(<Feature>SiAlons and Non-oxides)

JONES Mark I. , ETZION Ron , METSON Jim , ZHOU You , HYUGA Hideki , YOSHIZAWA Yu-ichi , HIRAO Kiyoshi

… Additional samples were produced with the silicon nitride bonding phase replaced by β SiAlON with compositions ranging from Z = 1-4 in Si_<6-Z>Al_ZO_ZN_<8-Z>. …

日本セラミックス協会学術論文誌 : Nippon Seramikkusu Kyokai gakujutsu ronbunshi = Journal of the Ceramic Society of Japan 116(1354), 712-716, 2008-06-01

CiNii PDF - オープンアクセス J-STAGE CrossRef 参考文献14件
14

Phosphors for White LEDs in the Next Stage

YAMAMOTO Hajime , YASUDA Satoshi , UHEDA Kyota

… and CaAlSiN_3:Eu^<2+>, which show a difference in quenching temperature and β-SiAlON:Eu^<2+>, which has a narrow band width. …

Journal of light and visual environment 32(2), 69-74, 2008-05

CiNii PDF - オープンアクセス参考文献11件
15

Luminescent properties of β-SiAlON:Eu^<2+> green phosphors synthesized by gas pressured sintering(<Feature>Global Innovation in Advanced Ceramics)

RYU Jeong Ho , PARK Youn-Gon , WON Hyong Sik , SUZUKI Hideo , KIM Sang Hyun , YOON Chulsoo

… β-SiA10N: Eu^<2+> … The phase purity, micro structure, luminescent and thermal quenching properties for the prepared β-SiAlON:Eu^<2+> … The prepared β-SiAl0N:Eu^<2+> … 0.0238 showed pure single βSiAl0N phase. … The prepared β-SiAlON:Eu^<2+> …

日本セラミックス協会学術論文誌 : Nippon Seramikkusu Kyokai gakujutsu ronbunshi = Journal of the Ceramic Society of Japan 116(1351), 389-394, 2008-03-01

CiNii PDF - オープンアクセス J-STAGE CrossRef 参考文献31件
16

Synthesis of β-SiAlON from a zeolite by reduction nitridation in a mixture of NH_3-C_3H_8

YAMAKAWA Tomohiro , WAKIHARA Toru , TATAMI Junichi , KOMEYA Katsutoshi , MEGURO Takeshi

… In this study, β-SiAlON powder was produced from zeolite using GRN. … It was found that high purity β-SiAlON nanopowder was synthesized at 1400℃ for 60 min. Furthermore, pure β-SiAlON was successfully produced, containing no minor phases, by the optimization of nitridation, that is, of concentration of C_3H_8 and the timing of its introduction. …

日本セラミックス協会学術論文誌 : Nippon Seramikkusu Kyokai gakujutsu ronbunshi = Journal of the Ceramic Society of Japan 116(1350), 325-328, 2008-02-01

CiNii PDF - オープンアクセス J-STAGE CrossRef 参考文献27件被引用文献1件
17

Combustion synthesis and sintering of β-sialon ceramics (z=2)

Shahien Mohamed , Radwan Mohamed , Kirihara Soshu [他]

材料 57(12), 1248-1252, 2008-12
18

Characterization and properties of green-emitting β-SiAlON:Eu2+ powder phosphors for white light-emitting diodes

末廣隆之

Applied Physics Letters 86(21), 2119051-2119053, 2005

機関リポジトリ CrossRef
19

14-P-09 Corrosion Resistance of β-SiAlON Nano Ceramics

TATAMI Junichi , NAGATOME Azuma , LI Qiang , KOMEYA Katsutoshi , MEGURO Takeshi , HAYASHI Ichiro , YAN JianFeng , OMORI Mamoru

日本セラミックス協会秋季シンポジウム講演予稿集 16, 219, 2003-09-29
20

02-O-16 β-SiAlON Conversion from Local Kaolin with Different Alumina/Silica Ratio

ABDUL KADIR Nor Azmah , WAHID Zarina Abdul , ISNIN Aishah

日本セラミックス協会秋季シンポジウム講演予稿集 16, 62, 2003-09-29

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