西籔 和明

J-GLOBALへ         更新日: 16/09/27 19:06
 
アバター
研究者氏名
西籔 和明
 
ニシヤブ カズアキ
ハンドル
nishiyabu
eメール
nishiyabumech.kindai.ac.jp
所属
近畿大学
部署
理工学部 機械工学科
職名
教授

プロフィール

自動車や航空機の軽量化の切り札として注目の高いCFRPの量産と再利用を目指す東大阪市内企業と「e-コンポジット研究会」設立。熱可塑性CFRPの新しい製造法の開発と実用化を目指す。また、大阪東部地域連携「金型プロジェクト」で誕生した「型ろう会」で地域活性化を目指す。さらに、ナノ粒子とナノファイバを用いたマイクロ構造体の製造法を開発。

研究分野

 
 

経歴

 
2016年4月
 - 
現在
近畿大学 理工学部 教授
 
2010年4月
 - 
2016年3月
近畿大学 理工学部 准教授
 
2005年4月
 - 
2010年3月
大阪府立工業高等専門学校 総合工学システム学科 准教授
 
1999年4月
 - 
1999年9月
カトリックルーベン大学 金属材料工学科 客員教授
 
1998年4月
 - 
2005年3月
大阪府立工業高等専門学校 機械工学科 助教授・准教授
 
1992年4月
 - 
1993年3月
大阪府立産業技術総合研究所 材料技術部 研究員
 
1991年4月
 - 
1998年3月
大阪府立工業高等専門学校 機械工学科 講師
 
1988年4月
 - 
1991年3月
大阪府立工業高等専門学校 機械工学科 助手
 

学歴

 
1997年4月
 - 
1999年3月
大阪大学大学院 工学研究科 生産科学専攻
 
1986年4月
 - 
1988年3月
近畿大学大学院 総合理工学研究科 機械工学専攻
 
1982年4月
 - 
1986年3月
近畿大学 理工学部 機械工学科
 

委員歴

 
2014年
 - 
現在
(社)日本機械学会 機械材料・材料加工部門 運営委員
 
2004年
 - 
現在
(社)日本機械学会 関西支部 技術情報誌編集委員
 
2003年
 - 
現在
(社)日本材料学会 複合材料部門委員会 幹事・運営委員
 
2003年
 - 
2006年
(社)日本材料学会 関西支部 常議員
 
2004年
 - 
現在
(社)日本材料学会 編集委員会,賞選考委員会,査読委員,専門査読委員
 

受賞

 
1998年
(社)日本材料学会 複合材料部門委員会「奨励賞」
 
1998年
TexComp-4 「Young Researcher Award」
 
2005年
(社)日本機械学会 機械材料・材料加工部門 一般表彰(新技術開発部門)
 
2006年
(社)日本材料学会 関西支部長賞
 
2006年
(社)日本材料学会 技術賞
 

論文

 
通電によるCF/PPS積層材の溶融および酸化現象に及ぼす繊維強化形態の影響
田邉大貴,西籔和明,倉敷哲生
日本材料学会,材料      2014年   [査読有り]
西籔和明, 田邉大貴, 鹿子泰宏, 田中茂雄
日本機械学会論文集 A編(Web)   79(807) WEB ONLY 1593-1603   2013年   [査読有り]
ナノ銅粉末を用いたNIL犠牲樹脂型インサートMIMによるマイクロ構造体の作製
西籔和明,田邉大貴,鹿子泰宏,田中茂雄
日本機械学会論文集   77(780) 1378-1387   2011年8月   [査読有り]
西籔 和明, 田邉 大貴, 鹿子 泰宏, 田中 茂雄
日本機械学会論文集A編   77(780) 1378-1387   2011年   [査読有り]
This study aims to develop the manufacturing method of micro-structured parts by the metal powder injection molding (MIM) inserted micro-sacrificial plastic molds which were prepared by nano-imprint lithography (NIL) technique. In this process nam...
西籔 和明, 柿下 健一, 田中 茂雄
日本機械学會論文集. A編   76(767) 996-1001   2010年7月   [査読有り]
In microminiaturization of metal injection molding, the use of finer metal powders is one of solutions for improving the dimensional accuracy and surface roughness of sintered products. This study aims to investigate the effects of micro/nano powd...
MIMにより製造したSUS製モジュール0.07mm超小型歯車の精度評価
西籔和明,田中茂雄
粉体粉末冶金協会 「紛体および粉末冶金」   56(5) 268-273   2009年6月   [査読有り]
金属粉末射出成形の最近の進歩
西籔 和明
日本材料学会「材料」   58(1) 87-92   2009年1月
Accuracy Evaluation of Ultra-compact Gears Manufactured by The MicroMIM Process
西籔和明,Ian Andrews,田中茂雄
Inovar Communications Ltd., Powder Injection Molding International   2(4) 60-63   2008年
Liquid Infiltration Property of Micro-porous Stainless Steel Produced by Powder Space Holder Method
西籔和明,松崎覚,田中茂雄
Inovar Communications Ltd., Powder Injection Molding International   2(3) 60-63   2008年
パウダースペースホルダー・ポリマー含浸焼成法による炭化ケイ素多孔質体の創製
西籔和明,松崎覚,小谷政規
日本機械学会論文集A編   74(743) 988-993   2008年   [査読有り]
Fabrication of Micro Porous Metal Components by Metal Injection Molding Based Powder Space Holder Method
西籔和明,松崎覚,田中茂雄
High Temperature Materials and Processes   26(4) 257-267   2007年   [査読有り]
Net-Shape Manufacturing of Micro Porous Metal Components by Powder Injection Molding
Trans Tech Publications Ltd., Materials Science Forum   534-536 981-984   2007年   [査読有り]
Micro Metal Injection Molding Using Hybrid Micro/Nano Powders
Trans Tech Publications Ltd., Materials Scinece Forum   534-536 381-384   2007年   [査読有り]
Innovations in Micro Metal Injection Molding Process by Lost Form Technology
Trans Tech Publications Ltd., Materials Scinece Forum   534-536 369-372   2007年   [査読有り]
Gas Nitriding Mechanism in Titanium Powder Injection Molded Products
Trans Tech Publications Ltd., Materials Scinece Forum   534-536 361-364   2007年   [査読有り]
パウダースペースホルダー法により製造したマイクロポーラス金属粉末射出成形および押出成形品の寸法精度
粉体粉末冶金協会「紛体および粉末冶金」   53(9) 776-781   2006年   [査読有り]
ガス窒化処理のチタン射出成形品サイズに及ぼす効果
粉体粉末冶金協会「紛体および粉末冶金」   53(9) 745-749   2006年   [査読有り]
マイクロ犠牲樹脂型インサート金属粉末射出成形による高機能ばねの創製
日本ばね学会 ばね論文集   (51) 55-62   2006年
Sliding Wear Behavior of Stainless Steel Parts Made by Metal Injection Molding (MIM)
Elsevier B.V., Wear   260 674-686   2006年   [査読有り]
マイクロ金属粉末射出成形における成形性と焼結性の及ぼす原料粉末の影響
日本機械学会論文集A編   72(713) 148-153   2006年   [査読有り]
金属粉末射出成形のマイクロ化への挑戦
田中茂雄,西籔和明
日本塑性加工学会誌「塑性と加工」   46(538) 24-29   2005年11月
デジタル画像処理技術を用いたテキスタイル複合材料の非接触ひずみ分布計測
西籔 和明
日本繊維機械学会誌 「繊維工学」   58(2)    2005年1月
LIGAプロセスを用いた金属粉末射出成形によるマイクロ構造体の製造法
粉体粉末冶金協会「紛体および粉末冶金」   52(1) 55-59   2005年   [査読有り]
Porous Graded Materials by Stacked Metal Powder Hot-Press Moulding
西籔和明,松﨑 覚,大久保健司,石田眞司,田中茂雄
Trans Tech Publications Ltd., Materials Scinece Forum   492-493 765-770   2005年   [査読有り]
デジタル画像処理技術を用いたテキスタイル複合材料の非接触ひずみ分布計測
日本繊維機械学会誌「繊維工学」   58(2)    2005年
金属粉末射出成形によるマイクロ部品の製造とその力学的特性の評価
日本機械学会論文集A編   70(698) 1522-1528   2004年   [査読有り]
マイクロ金属粉末射出成形における原料ペレットの均質性とその評価
粉体粉末冶金協会「紛体および粉末冶金」   51(6) 435-440   2004年   [査読有り]
Study on Large Deformation Characteristics of Knitted Fabric Reinforced Thermoplastic Composites at Forming Temperature by Digital Image-based Strain Measurement Technique
Composite Science and Technology   64 2153-2163   2004年   [査読有り]
マイクロ金属粉末射出成形に適した金型技術の開発
西籔和明,長田俊子,西上信哉,柚木明生,田中茂雄,松崎 覚,大久保健児,平 健輔
金型技術振興財団 金型に関する研究助成者研究発表会資料   15-19   2003年7月
テキスタイル複合材料成形品における大ひずみ分布のデジタルイメージベース計測
高野直樹,座古 勝,西籔和明
日本複合材料学会誌   29(1) 17-23   2003年   [査読有り]
君家 直之, 西籔 和明, 濱田 泰以
材料   51(5) 483-488   2002年5月   [査読有り]
This paper describes experimental developments for a concise preparation method of flexible interphase in commonly used GFRP and determination methods of the finite interphase thickness. The preparation scheme of the flexible interphase basically ...
Strain Concentrations in Woven Fabric Composites with Holes
Composite Structures      2002年   [査読有り]
織物複合材料の損傷進展解析ならびにその場SEM観察
日本材料学会,材料   51(10) 1147-1153   2002年   [査読有り]
Mechanical and Antibacterial Properties of Copper-added Austenitic Stainless Steel (304L) by MIM
Journal of Korean Powder Metallurgy Institute   9(4) 227-234   2002年   [査読有り]
MIMによるCu添加ステンレス鋼(SUS304L)の力学的特性と抗菌性および耐食性の評価
粉体粉末冶金協会.紛体および粉末冶金   49(9) 834-840   2002年   [査読有り]
成形シミュレーション
西籔 和明
日本複合材料学会誌   27(1) 56-64   2001年1月
Microstructure-based Deep-drawing Simulation of Knitted Fabric Reinforced Thermoplastic by Homogenization Theory
International Journal Solids and Structure   38, 6333-6356    2001年   [査読有り]
均質化法による編物強化熱可塑性プラスチックの深絞り成形解析とその検証
日本材料学会,材料   50(5) 461-467   2001年   [査読有り]
The Formation of Homogenization Method Applied to Large Deformation Problem for Composites Materials
International Journal Solids Structure   37, 6517-6535    2000年   [査読有り]
単繊維埋蔵横方向引張試験における初期損傷に及ぼす界面相特性の影響
日本材料学会,材料   48(5) 446-453   1999年   [査読有り]
その場SEM観察による織物複合材料の損傷挙動の評価(繊維表面処理の影響)
日本材料学会,材料   48(5) 430-437   1999年   [査読有り]
AEを用いた応力腐食環境下でGFRPの耐久性評価
日本複合材料学会誌   25(3) 95-101   1999年   [査読有り]
数値解析による単繊維引抜き試験における応力伝達機構の評価
日本材料学会,材料   47(6) 612-617   1998年
Assessment of The Influence of Interfacial Properties on Stress Transfer In Composites By Numerical Approach
Composite Science and Technology   57(8) 1103-1111   1997年   [査読有り]
繊維/樹脂間の応力伝達機構に及ぼす界面特性分布の影響
日本材料学会,材料   46(4) 335-342   1997年   [査読有り]
レジスト薄膜インサート金属粉末射出成形によるマイクロ構造体の作製と粉末粒径の影響
西籔 和明, 柿下 健一, 田中 茂雄
日本機械学会論文集 A編   76(761) 75-80   2010年1月

Misc

 
西籔 和明, 川上 慈朗
日本機械学会論文集   0(0)    2015年
This study aims to develop an eco-friendly fabrication method for micro-structured parts with high aspect ratio. To achieve this purpose, nanopowder printing (nPP) process was adopted to the plastic mold with microstructures produced by electrospi...
田邉 大貴, 西籔 和明, 倉敷 哲生
日本機械学会論文集   81(826) 15-00005-15-00005   2015年
This study aims to develop the electro-fusion joining method for continuous fiber reinforced thermoplastic (cFRTP) composites using various carbon fibers as a resistance heating element. The material used for the experiment was woven CF/PPS lamina...
D. Tanabe, K. Nishiyabu, T. Kurashiki
16th European Conference on Composite Materials, ECCM 2014      2014年1月
This study aims to develop the electro-fusion joining method for continuous fiber reinforced thermoplastic (cFRTP) composites using spread carbon fiber as resistance heating element. The material for the experiment was woven CF/PPS laminates. The ...
田邉 大貴, 西籔 和明, 倉敷 哲生
日本機械学会論文集   0(0)    2015年
This study aims to develop the electro-fusion joining method for continuous fiber reinforced thermoplastic (cFRTP) composites using various carbon fibers as a resistance heating element. The material used for the experiment was woven CF/PPS lamina...
Masaki Kotani, Aline Zimmer, Satoru Matsuzaki, Kazuaki Nishiyabu, Shigeo Tanaka
Nippon Seramikkusu Kyokai Gakujutsu Ronbunshi/Journal of the Ceramic Society of Japan   122(1430) 863-869   2014年1月
© 2014 The Ceramic Society of Japan. All rights reserved. In order to improve the matrix microstructure of SiC-fiber-reinforced SiC matrix (SiC/SiC) composite, the authors examined a combination process involving the polymer impregnation and pyrol...
山川昌文, 中本毅, 田邉大貴, 西籔和明
複合材料シンポジウム講演要旨集   39th 173-174   2014年
田邉大貴, 石丸拓弥, 倉敷哲生, 西籔和明
日本複合材料合同会議(CD-ROM)   5th ROMBUNNO.3C-08   2014年
田邉大貴, 森脇悠介, 西籔和明, 倉敷哲生
日本複合材料合同会議(CD-ROM)   5th ROMBUNNO.2C-07   2014年
西籔 和明, 川上 慈朗
日本機械学会論文集   81(824) 14-00571-14-00571   2015年
This study describes a novel method for fabricating the plastic mold with microstructure by nanofiber imprinting (NFI) into Si form. The nanofiber was produced by electro-spinning (ES) process which provides a simple and versatile method for gener...
田邉大貴, 西籔和明, 倉敷哲生
材料   63(5) 368-373 (J-STAGE)-373   2014年1月
This study aims to reveal the mechanism of melting and oxidation phenomenon of CF/PPS laminated composites by electrically-conducting. The materials used are unidirectional CF/PPS and woven CF/PPS laminates. The effects of applied voltage, conduct...
大塚昌孝, 染川智弘, 川上慈郎, 西籔和明, 前田佳伸, 松谷貴臣, 藤田雅之, 宮永憲明
応用物理学会秋季学術講演会講演予稿集(CD-ROM)   75th ROMBUNNO.17A-S9-5   2014年9月
桜井晋也, 西籔和明, 田中茂雄
精密工学会関西地方定期学術講演会講演論文集   2014 50-51   2014年7月
西籔 和明, 川上 慈朗
日本機械学会論文集   0(0)    2015年
This study describes a novel method for fabricating the plastic mold with microstructure by nanofiber imprinting (NFI) into Si form. The nanofiber was produced by electro-spinning (ES) process which provides a simple and versatile method for gener...
田邉 大貴, 西籔 和明, 倉敷 哲生
日本機械学会論文集   80(815) SMM0189-SMM0189   2014年
This study aims to reveal the mechanism of electro-fusion joining of CFRTP composites using multiple Ni-Cr wires as resistance heating element. The materials used for electro-fusion joining test are unidirectional CF/PPS and woven CF/PPS laminates...
NISHIYABU Kazuaki, KANOKO Yasuhiro, TANABE Daiki, TANAKA Shigeo
Met Powder Rep   66(2) 27-32   2011年3月
As computers and other electronic devices become more powerful, they also generate more heat. Heat sinks are commonly used to dissipate this waste energy, but can they be made more efficient? Research sometimes gives mixed results... © 2011 Elsevi...
Kotani Masaki, Nishiyabu Kazuaki, Matsuzaki Satoru, TANAKA Shigeo
Journal of the Ceramic Society of Japan   119(1391) 563-569   2011年7月
A simple method for making a porous SiC body through a polymeric route at one firing processing was demonstrated by the sacrificial filler template approach. By incorporating sacrificial pore-forming plastic powder, PMMA microbeads, into liquid pr...
Y. Tabuchi, T. Morisugi, D. Tanabe, K. Nishiyabu
8th Asian-Australasian Conference on Composite Materials 2012, ACCM 2012 - Composites: Enabling Tomorrow's Industry Today   2 1473-1478   2012年12月
In this study, shape-memory alloy (SMA) wires which were thermally-treated in a desired shape were embedded in the unidirectional carbon fiber reinforced thermoplastic (CFRTP) composites aiming to utilize actively the anisotropic property of CFRTP...
TAKANO Naoki, FUKASAWA Ken, NISHIYABU Kazuaki
Int J Mech Sci   52(2) 229-235   2010年2月
For the design of porous titanium component, differently from its use as functional materials, structural strength prediction algorithm is proposed based on the micro-stress concentration analyzed by the multiscale simulation. The modeling of real...
D. Tanabe, S. Tsutaya, K. Nishiyabu, T. Kurashiki
8th Asian-Australasian Conference on Composite Materials 2012, ACCM 2012 - Composites: Enabling Tomorrow's Industry Today   2 1560-1565   2012年12月
This study aims to reveal the mechanism of electro-fusion joining of continuous fiber reinforced thermoplastic (cFRTP) composites. The materials used are unidirectional CF/PPS and woven CF/PPS laminates. The effects of applied voltage, holding tim...
Kazuaki Nishiyabu, Kenji Okubo, Shigeo Tanaka
Proceedings of the International Euro Powder Metallurgy Congress and Exhibition, Euro PM 2012   3    2012年1月
This study aims to demonstrate the usefulness of digital image measurement for the optimization of manufacturing condition and the quality management of MIM parts. New types of measuring systems were used to measure the 3D coordinate and strain fi...
田邉 大貴, 森脇 悠介, 西籔 和明
機械材料・材料加工技術講演会 M&P   21    2013年11月
Kazuaki Nishiyabu, Kenji Okubo, Shigeo Tanaka
Proceedings of the International Euro Powder Metallurgy Congress and Exhibition, Euro PM 2012   3    2012年1月
This study aims to manufacture the micro-MIM parts exhibiting excellent soft magnetic properties. The effects of solid loading of feedstock and injection speed on the sintered density and the coercivity were investigated. The feedstock composed of...
K. Nishiyabu, T. Yoshizawa, D. Tanabe, T. Kurashiki
ICCM International Conferences on Composite Materials      2011年12月
NISHIYABU Kazuaki, ANDREWS Ian, TANAKA Shigeo
Met Powder Rep   64(9) 22-25   2009年10月
To be able to successfully form very small parts by micro metal injection moulding is not quite enough for series manufacturing. Dimensional measurement and quality evaluation requirements also need to be satisfied. These were among the objectives...
吉澤 賢宏, 田邉 大貴, 西籔 和明, 倉敷 哲生
年次大会 : Mechanical Engineering Congress, Japan   2011 "J043021-1"-"J043021-4"   2011年9月
In this study, the anisotropic behavior in bending deformation of woven carbon fabrics reinforced PPS thermoplastic laminated composites with various fiber orientation angles under a concentrated and thermal loading was mainly investigated by coor...
Kenji Okubo, Shigeo Tanaka, Hiroshi Ito, Kazuaki Nishiyabu
Proceedings of the Euro International Powder Metallurgy Congress and Exhibition, Euro PM 2011   2    2011年1月
This study aims to develop the manufacturing method of metallic stamper for imprinting with micro structures by metal powder injection moulding (MIM). The mould used was prepared by imprinting plastic sheet. In the micro-sacrificial plastic mould ...
Kazuaki N. Nishiyabu, Kenichi Kakishta, Shigeo Shigeo
Nihon Kikai Gakkai Ronbunshu, A Hen/Transactions of the Japan Society of Mechanical Engineers, Part A   76 75-80   2010年1月
The manufacturing method of resist film insert metal powder injection molding (MIM) namely Resist/μ-SpiMIM process has been proposed. The resist film made of PMMA polymer with numerous micro-holes was used as micro sacrificial plastic mold (SP-mol...
Kazuaki Nishiyabu, Yasuhiro Kanoko, Daiki Tanabe, Shigeo Tanaka
Proceedings of the World Powder Metallurgy Congress and Exhibition, World PM 2010   4    2010年1月
This study aims to develop the MIM process for manufacturing the micro heat sinks made of copper/diamond composites with high thermal conductivity. Diamond powder was added into the feedstock composed of copper powder and polyathetal-based binder....
Kazuaki Nishiyabu, Daiki Tanabe, Yasuhiro Kanoko, Shigeo Tanaka
Proceedings of the World Powder Metallurgy Congress and Exhibition, World PM 2010   1    2010年1月
This study aims to develop the manufacturing method of micro-structured parts by the metal powder injection moulding (MIM) inserted sacrificial plastic moulds which were prepared by thermal nanoimprint lithography (NIL). In this process named NIL/...
TACHIKAWA Hiroto, TAKANO Naoki, NISHIYABU Kazuaki, MIKI Norihisa, AMI Yoshimichi
Journal of Solid Mechanics and Materials Engineering   4(3) 470-480   2010年
Recent MEMS (micro electro mechanical system) fabrication techniques have made it possible to produce painless microneedles precisely enough to be inserted into epidermis layer penetrating the stratum corneum of human skin. This paper presents a t...
Kazuaki Nishiyabu, Yasuhiro Kanoko, Shigeo Tanaka
Nihon Kikai Gakkai Ronbunshu, A Hen/Transactions of the Japan Society of Mechanical Engineers, Part A   75 1719-1725   2009年12月
The manufacturing method of micro sacrificial plastic mold (SP-mold) insert metal injection molding (MIM) combined LIGA process, namely LIGA/-SPiMIM process has been proposed to solve specific problems involving the miniaturization of MIM. Two typ...
Andrews Ian, 西薮 和明, 田中 茂雄, Nishiyabu Kazuaki, Tanaka Shigeo
大阪府立工業高等専門学校研究紀要   43 29-40   2009年12月
Kazuaki Nishiyabu, Shigeo Tanaka
Funtai Oyobi Fummatsu Yakin/Journal of the Japan Society of Powder and Powder Metallurgy   56 268-273   2009年5月
A microplanetary gears made of stainless steel has been developed by micro metal powder injection molding (μ-MIM) process. In this stud., the accuracy and the quality of ultra-compact planet gear (module: m = 0.07 m., number of teeth: z=24) was ev...
Masaki Kotani, Aline Zimmer, Satoru Matsuzaki, Kazuaki Nishiyabu
Ceramic Engineering and Science Proceedings   29 27-32   2009年3月
As a promising approach to improve the matrix microstructure of SiC fiber reinforced SiC matrix composite, a new polymer impregnation and pyrolysis process which is combined with powder space holder technique has been developed. PSH was employed f...
Kazuaki Nishiyabu
Zairyo/Journal of the Society of Materials Science, Japan   58 87-92   2009年1月
KOTANI Masaki, ZIMMER Aline, MATSUZAKI Satoru, NISHIYABU Kazuaki
Ceram Eng Sci Proc   29(9) 27-32   2009年
TAKANO Naoki, TACHIKAWA Hiroto, MIYANO Takaya, NISHIYABU Kazuaki
Journal of Solid Mechanics and Materials Engineering   3(3) 604-612   2009年
Aiming at the practical use of polyethylene glycol (PEG) microneedles for transdermal drug delivery system (DDS), a testing apparatus for their insertion into cultured human skin has been developed. To simulate the variety of conditions of human s...
Kazuaki Nishiyabu, Satoru Matsuzaki, Masaki Kotani
Progress of Composites 2008 in Asia and Australasia - Proceedings of the 6th Asian-Australasian Conference on Composite Materials, ACCM 2008   40-43   2008年12月
To develop a heat-resistant composite material with high reliability in strength, this study was attempted to reduce the predominant defects occurred in the firing process of SiC precursor polymer by introducing a micro-porous structure. The hybri...
Kazuaki Nishiyabu, Satoru Matsuzaki, Masaki Kotani
Nihon Kikai Gakkai Ronbunshu, A Hen/Transactions of the Japan Society of Mechanical Engineers, Part A   74 988-993   2008年7月
The hybrid process, Polymer Impregnation and Pyrolysis combined with Powder Space Holder (PSH-PIP) method, has been newly developed to improve the reliability in structure and mechanical properties of SiC/SiC composite. This process can yield an o...
NISHIYABU Kazuaki, TANAKA Shigeo
Met Powder Rep   63(3) 28-32   2008年3月
Kazuaki Nishiyabu, Ian Andrews, Shigeo Tanaka
Proceedings of the Euro International Powder Metallurgy Congress and Exhibition, Euro PM 2008   2 325-330   2008年1月
The production of micro-size and micro-structured parts by metal powder injection moulding (MIM) process require more sophisticated techniques than conventional MIM. New techniques for the quality evaluation of those tiny parts are also necessary ...
Kazuaki Nishiyabu, Satoru Matsuzaki, Masaki Kotani
ICCM International Conferences on Composite Materials      2007年12月
Kazuaki Nishiyabu, Yasuhiro Kanoko, Shigeo Tanaka
Proceedings of the Euro Powder Metallurgy Congress and Exhibition, Euro PM 2007   2 137-142   2007年1月
The micro metal powder injection moulding using sacrificial plastic mould (SPmould), namely micro SP-mould insert MIM process has been developed to solve the problems specific to μ-MIM, e.g. difficulty of filling feedstock in narrow cavities and d...
NISHIYABU Kazuaki, MATSUZAKI Satoru, TANAKA Shigeo
Mater Sci Forum   534/536(Pt.2) 981-984   2007年
MIURA Hideshi, OSADA Toshiko, TANAKA Shigeo, NISHIYABU Kazuaki
ISSEMP : proceedings of International Symposium on Synergistic Effects of Materials and Processing   2006 15-18   2006年9月
In order to improve the quality of MIM products, micro-injection molding process were focused. Two types of injection machines with different capacity were used for producing the micro dumbbell specimen. Sintered density and strength of micro dumb...
Kazuaki Nishiyabu, Satoru Matsuzaki, Shigeo Tanaka
Funtai Oyobi Fummatsu Yakin/Journal of the Japan Society of Powder and Powder Metallurgy   53 776-781   2006年9月
A production method for porous metal components has been developed by applying powder space holder (PSH) method to metal powder injection molding (MIM) process. The PSH-MIM method has an industrial advantage which is capable of net-shape manufactu...
Toshiko Osada, Shigeo Tanaka, Kazuaki Nishiyabu, Hideshi Miura
Funtai Oyobi Fummatsu Yakin/Journal of the Japan Society of Powder and Powder Metallurgy   53 745-749   2006年9月
In this study, gas nitriding was performed to various sizes of Titanium parts which were produced by metal injection molding (MIM) process, in order to add the high functionality with low processing cost. It was shown from the experiments that the...
Toshiko Osada, Kazuaki Nishiyabu, Satoru Matsuzaki, Shigeo Tanaka, Hideshi Miura
Nihon Kikai Gakkai Ronbunshu, A Hen/Transactions of the Japan Society of Mechanical Engineers, Part A   72 148-153   2006年1月
Metal injection molding for tiny parts is called micro metal injection molding, " μ-MIM" which is considered to be one of promising process to manufacture the micro parts for various applications. In μ-MIM, the feedstock properties, particularly p...
Kensuke Taira, Kenji Okubo, Shigeo Tanaka, Kazuaki Nishiyabu
Euro PM 2005: Powder Metallurgy Congress and Exhibition   2 391-397   2005年1月
The miniaturization of dimension and structures in metal injection moulding (MIM) is faced with various technical problems, such as incomplete filling to narrow cavity, failure in demoulding of fragile green compacts, and deformation in debinding ...
Satoru Matsuzaki, Shigeo Tanaka, Kazuaki Nishiyabu
Funtai Oyobi Fummatsu Yakin/Journal of the Japan Society of Powder and Powder Metallurgy   52 55-59   2005年1月
This study aims to investigate the possibility for producing micro metal structured parts by applying micro metal injection molding (μ-MIM), the insert μ-MIM methods based on LIGA process were proposed, which used two types of sacrificial molds fo...
Satoru Matsuzaki, Shigeo Tanaka, Kazuaki Nishiyabu
Euro PM 2005: Powder Metallurgy Congress and Exhibition   2 135-141   2005年1月
A novel production method for the metal components with micro-sized porous structures has been developed by applying powder space holder (PSH) method to metal powder injection moulding (MIM) process. The representative materials are stainless stee...
Kazuaki Nishiyabu, Kenichi Kakishita, Toshiko Osada, Satoru Matsuzaki, Shigeo Tanaka
Euro PM 2005: Powder Metallurgy Congress and Exhibition   2 357-363   2005年1月
Micro metal injection moulding (μ-MIM) needs more sophisticated techniques than the conventional MIM. The use of finer metal powders is one of the solutions to improve the dimensional accuracy and surface roughness of sintered products. This study...
Toshiko Osada, Kazuaki Nishiyabu, Satoru Matsuzaki, Shigeo Tanaka, Hideshi Miura
Nihon Kikai Gakkai Ronbunshu, A Hen/Transactions of the Japan Society of Mechanical Engineers, Part A   70 1522-1528   2004年10月
This study describes the micro evaluation methods for investigating the feedstock properties and the process conditions for industrial mass production of micro parts by Metal Injection Molding (MIM). The effects of feedstock properties such as par...
Toshiko Osada, Kazuaki Nishiyabu, Yasuo Karasaki, Shigeo Tanaka, Hideshi Miura
Funtai Oyobi Fummatsu Yakin/Journal of the Japan Society of Powder and Powder Metallurgy   51 435-440   2004年6月
Producing the micro size parts by Metal Injection Molding (MIM) needs more sophisticated technique than the conventional injection molding. Especially, inhomogeneous state of the feedstock will strongly influence on the quality of the final produc...
Surya D. Pandita, Kazuaki Nishiyabu, Ignaas Verpoest
Composite Structures   59 361-368   2003年12月
A strain mapping technique, namely digital photogrammetry, was used to investigate the tensile strain field of woven fabric composites in the presence of stress concentrations caused by geometrical defects consisting of circular or elliptical hole...
Yasutomo Uetsuji, Masaru Zako, Kazuaki Nishiyabu
Zairyo/Journal of the Society of Materials Science, Japan   51 1147-1153   2002年10月
Although woven fabric composite materials have high performance, it is very difficult to reveal their mechanical behaviours due to the geometric complexity by theoretical analysis. Especially under damage development, several kinds of failure mode...
Yooshikazu Masai, Masashi Ishida, Shigeo Tanaka, Kazuaki Nishiyabu
Funtai Oyobi Fummatsu Yakin/Journal of the Japan Society of Powder and Powder Metallurgy   49 834-840   2002年9月
The effect of copper-added content and sintering temperature on the mechanical properties and functional performances such as anti-bacteria and resist-corrosion for the stainless steel by metal injection molding was investigated. The specimens wer...
Naoyuki Oya, Kazuaki Nishiyabu, Hiroyuki Hamada
Zairyo/Journal of the Society of Materials Science, Japan   51 483-488   2002年5月
This paper describes experimental developments for a concise preparation method of flexible interphase in commonly used GFRP and determination methods of the finite interphase thickness. The preparation scheme of the flexible interphase basically ...
N. Takano, Y. Ohnishi, K. Nishiyabu, M. Zako
Zairyo/Journal of the Society of Materials Science, Japan   50 461-467   2001年5月
A novel computational method for deep-drawing simulation of composite materials has been proposed with taking a three-dimensional continuum mechanics approach. The most notable feature is the consideration of micro-macro coupling effects by the ma...
T. Fukui, A. Nakai, H. Hamada, K. Nishiyabu
International SAMPE Symposium and Exhibition (Proceedings)   46 II 2409-2420   2001年1月
In this study, reinforcement and matrix derived from the same kind of thermoplastics were used for polymorphism composite materials. The advantage of this material is not needed to take a chemical micmatch in adhesion into accout because the activ...
N. Takano, Y. Ohnishi, M. Zako, K. Nishiyabu
International Journal of Solids and Structures   37 6517-6535   2000年11月
In order to analyze the mechanical behaviors of composite materials under large deformation, the formulation of the homogenization method is described. In this formulation, assuming that the microstructures in a local region of the global structur...
Kazuaki Nishiyabu, Atsushi Yokoyama, Masaru Zako
Zairyo/Journal of the Society of Materials Science, Japan   48 446-453   1999年5月
The embedded single fiber transverse tensile test has been proposed as a new experimental evaluation method on composite interfaces. The effect of surface treatment on microscopic damage, such as the interfacial debonding and matrix cracking aroun...
Kazuaki Nishiyabu, Atsushi Yokoyama, Masaru Zako
Zairyo/Journal of the Society of Materials Science, Japan   48 430-437   1999年5月
The effect of interfacial properties on damage behaviors of woven cloth fabric reinforced composites has been investigated by the edge cross-sectional observation of laminate under the tensile load in SEM. Test specimen used is vinyl ester resin m...
K. Nishiyabu, M. Zako
Proceedings of the International Conference on Computer Methods in Composite Materials, CADCOMP   225-235   1998年12月
This paper describes the modeling methodology on composite interphase, which takes the interfacial region into consideration and deals with tensile and shear moduli for the region independently. From in-situ SEM observation results by the embedded...
Kazuaki Nishiyabu, Atsushi Yokoyama, Hiroyuki Hamada
Composites Science and Technology   57 1103-1111   1997年12月
To investigate the effect of interfacial properties on stress transfer by a numerical approach, a finite element model has been used where the fiber, the matrix and the interphase were treated separately. When the interphase was assumed to be orth...
Kazuaki Nishiyabu, Atsushi Yokoyama, Masaru Zako
Zairyo/Journal of the Society of Materials Science, Japan   46 335-342   1997年12月
In order to investigate the effect of the interfacial property on stress transmissibility, the finite element analytical model in which fiber, matrix and interphase were divided independently into mesh elements has been applied. The interfacial re...

書籍等出版物

 
マクロおよびナノポーラス金属の開発最前線
中嶋英雄,他41名 (担当:分担執筆, 範囲:金属粉末射出成形によるマイクロポーラス金属精密部品の製造法)
シーエムシー出版   2010年7月   
マイクロリアクタテクノロジー ~限りない可能性と課題~
西籔和明 (担当:共著, 範囲:金属粉末射出成形技術を用いたマイクロリアクタの製造)
エヌ・ティー・エス   2005年7月   
「工業材料」2005年10月号,特集:傾斜機能材料-その魅力と応用事例
西藪和明 (担当:共著, 範囲:マイクロ多孔質構造が段階的に変化する傾斜機能多層金属の開発)
日刊工業新聞社   2005年10月   
Vol.53 No.10

講演・口頭発表等

 
尾原 礼俊, 中尾 裕希, 西籔 和明
機械材料・材料加工技術講演会講演論文集   2009年11月6日   
田渕喜瑛, 西籔和明, 田邉大貴, 倉敷哲生
日本複合材料合同会議(CD-ROM)   2013年   
桜井晋也, JUSOH Mohd Ikhwan Helmi, 西籔和明
日本複合材料合同会議(CD-ROM)   2013年   
大久保健児, 田中茂雄, 伊藤浩志, 西籔和明
日本機械学会年次大会講演論文集   2011年9月10日   
吉澤賢宏, 田邉大貴, 西籔和明, 倉敷哲生
日本機械学会年次大会講演論文集   2011年9月10日   

競争的資金等の研究課題

 
文部科学省: 科学研究費補助金(基盤研究(C))
研究期間: 2011年 - 2013年    代表者: 西籔 和明
 マイクロ金属粉末射出成形(μ-MIM)の高精度・高集積化を阻んでいる製造上の課題を克服するため,ナノインプリント犠牲樹脂型インサート金属粉末射出成形(NIL/μ-SPiMIM)法を世界に先駆けて開発してきた.本研究は,この犠牲樹脂型の製造に用いたナノインプリント法の製造限界(幅5μm,高さ10μm,アスペクト比=2)を超える可能性のある新しい犠牲樹脂型製造法として,エレクトロスピニング(ES)ナノファイバによるインプリント樹脂型の製造法を提案し,このNFI樹脂型へのナノ粒子の充填挙動を明...
文部科学省: 科学研究費補助金(基盤研究(C))
研究期間: 2014年 - 2016年    代表者: 西籔 和明
文部科学省: 科学研究費補助金(基盤研究(C))
研究期間: 2008年 - 2010年    代表者: 西籔 和明
本研究では,ナノインプリントリソグラフィ(NIL)技術により作製された微細構造を有する樹脂成形物を樹脂型に用い,ナノサイズの金属粉末で調合されたMIM材料を射出成形し,脱脂および焼結を経て数μm~数十μmのマイクロ構造体を得るNIL/μ-SPiMIMプロセスを開発した.熱重量分析,炭素・酸素分析およびSEM観察により脱脂・焼結挙動を調査し,得られたマイクロ構造体の焼結密度や収縮率および形状精度に及ぼす焼結温度の影響を調査した.本プロセスにより作製したマイクロ構造体(高さ10μm,幅5μmお...
炭化珪素繊維強化耐熱複合材料の製造と力学的特性に関する研究
JAXA: 共同研究