研究概要

2011

Three-dimensional visualization of material flow during friction stir welding by two pairs of X-ray transmission systems
Scripta Materialia, Volume 65, Issue 12, December 2011, Pages 1085-1088
Y. Morisada, H. Fujii, Y. Kawahito, K. Nakata, M. Tanaka

Novel Spot Friction Stir Welding of 6061 and 5052 Al Alloys
Science and Technology of Welding and Joining, Volume 16, Issue 7, September 2011, Pages 605-612
Y.F. Sun, H. Fujii, T.Takaki and Y.Okitsu

Critical strain for mechanical alloying of Cu–Ag, Cu–Ni and Cu–Zr byhigh-pressure torsion
Scripta Materialia, Volume 65, Issue 6, September 2011, Pages 489-492
Y.F. Sun, H. Fujii, T. Nakamura, N. Tsuji, D. Todaka, M. Umemoto

Fabrication of Fe-Based Metallic Glass Particle Reinforced Al-Based Composite Materials by Friction Stir Processin
Materialials Transactions, Volume 52, Issue 8, August 2011, Pages 1634-1640
H. Fujii, Y.F. Sun, K. Inada, Y.S. Ji, Y. Yokoyama, H. Kimura and A. Inoue

Interface microstructure evolution of dissimilar friction stir butt welded F82H steel and SUS304
Materials Science and Engineering: A
Volume 528, Issue 18, 15 July 2011, Pages 5812-5821
Young Dong Chung, Hidetoshi Fujii, Yufeng Sun and Hiroyasu Tanigawa

The effect of SiC particles on the microstructure and mechanical properties of friction stir welded pure copper joints
Materials Science and Engineering: A
Volume 528, Issues 16-17, 25 June 2011, Pages 5470-5475
Y.F. Sun and H. Fujii

Microstructure and mechanical properties of friction stir welded pure Mo joints

Scripta Materialia Volume 64, Issue 7 , April 2011, Pages 657-660
Hidetoshi Fujii, Yufeng Sun and Hideaki Kato

Mechanical properties of friction stir butt welds of high nitrogen-containing austenitic stainless steel
Materials Science and Engineering: A, Volume 528, Issue 6, 15 March 2011, Pages 2917-2921
Yasuyuki Miyano, Hidetoshi Fujii, Yufeng Sun, Yasuyuki Katada, Shuji Kuroda, Osamu Kamiya

Fabrication of nanostructured tool steel layer by combination of laser cladding and friction stir processing
Surface and Coatings Technology, Volume 205, Issue 11, 25 February 2011, Pages 3397-3403
Yoshiaki Morisada, Hidetoshi Fujii, Tadashi Mizuno, Genryu Abe, Toru Nagaoka, Masao Fukusumi

Developement of friction stir welding of high strength steel sheet
Science and Technology of Welding and Joining, Volume 16, Issue 2, 1 February 2011, 181-187
M.Matsushita, Y.KItani, R.Ikeda, M.Ono, H.Fujii and Y.D.Chung

2010

23th: Science Direct Top 25 Hottest Articles: Materials Science and Engineering A; July-September 2010
Investigation of the welding parameter dependent microstructure and mechanical properties of friction stir welded pure copper
Materials Science and Engineering: A, Volume 527, Issue 26, October 2010, Pages 6879-6886
Y.F.Sun, H.Fujii

Cu/Zr nanoscaled multi-stacks fabricated by accumulative roll bonding
Journal of Alloys and Compounds, Volume 504, Supplement 1, August 2010, Pages S443-S447
Y.F. Sun, N. Tsuji, H. Fujii, F.S. Li

4th: Science Direct Top 25 Hottest Articles: Scripta Materialia; April-June 2010
Friction stir welding of high carbon steel with excellent toughness and ductility
Scripta Materialia, Volume 63, Issue 2, July 2010, Pages 223-226
Y.D. Chung, H. Fujii, R. Ueji, N. Tsuji

Microstructure and mechanical properties of friction stir welded joint of Zr₅₅Cu₃₀Al₁₀Ni₅ bulk metallic glass with pure copper
Materials Science and Engineering: A, Volume 527, Issue 15, 15 June 2010, Pages 3427-3432
Yufeng Sun, Youngsu Ji, Hidetoshi Fujii, Kazuhiro Nakata, Kiyoshi Nogi

Investigation of welding parameter dependent microstructure and mechanical properties in friction stir welded pure Ti joints
Materials Science and Engineering: A, Volume 527, Issue 15, 15 June 2010, Pages 3386-3391
Hidetoshi Fujii, Yufeng Sun, Hideaki Kato, Kazuhiro Nakata

Important paper- FSP of WC layer
Modification of thermally sprayed cemented carbide layer by friction stir processing
Surface and Coatings Technology, Volume 204, Issue 15, 25 April 2010, Pages 2459-2464
Yoshiaki Morisada, Hidetoshi Fujii, Tadashi Mizuno, Genryu Abe, Toru Nagaoka, Masao Fukusumi

Fabrication of ZrAlNiCu bulk metallic glass composites containing pure copper particles by high-pressure torsion
Journal of Alloys and Compounds, Volume 492, Issues 1-2, 4 March 2010, Pages 149-152
Y.F. Sun, H. Fujii, N. Tsuji, Y. Todaka, M. Umemoto

Weld Shape Variation and Electrode Oxidation Behavior under Ar-(Ar-CO₂) Double Shielded GTA Welding
Journal of Materials Science & Technology, Volume 26, Issue 2, February 2010, Pages 170-176
Shanping Lu, Hidetoshi Fujii, Kiyoshi Nogi

Important paper- First FSPP (Friction Stir Powder Processing) paper
Effect of Gap on FSW Joint Formation and Development of Friction Powder Processing
Science & Technology of Welding and Joining, Volume 15, 2010, Pages 131-136
Shanping Lu, Hidetoshi Fujii, Kiyoshi Nogi

Wettability of pure Ti by molten pure Mg droplets
Acta Materialia, Volume 58, Issue 2, January 2010, Pages 606-614
Katsuyoshi Kondoh, Masashi Kawakami, Hisashi Imai, Junko Umeda, Hidetoshi Fujii

Many Others -> 他多数　　

2009
Effect of initial grain size on the joint properties of friction stir welded aluminum
Materials Science and Engineering: A, Volume 527, Issues 1-2, 15 December 2009, Pages 317-321
Yufeng Sun, Hidetoshi Fujii, Yutaka Takada, Nobuhiro Tsuji, Kazuhiro Nakata, Kiyoshi Nogi

7th: Science Direct Top 25 Hottest Articles: Materialials & Design; July to September 2009
Effect of welding speed on microstructural and mechanical properties of friction stir welded Inconel 600
Materials & Design, Volume 30, Issue 10, December 2009, Pages 3972-3978
K.H. Song, H. Fujii, K. Nakata

Modification of nitride layer on cold-work tool steel by laser melting and friction stir processing
Surface and Coatings Technology, Volume 204, Issue 3, 25 October 2009, Pages 386-390
Yoshiaki Morisada, Hidetoshi Fujii, Tadashi Mizuno, Genryu Abe, Toru Nagaoka, Masao Fukusumi

Important paper- Combination of FSP and laser
Nanostructured tool steel fabricated by combination of laser melting and friction stir processing
Materials Science and Engineering: A, Volume 505, Issues 1-2, 15 April 2009, Pages 157-162
Y. Morisada, H. Fujii, T. Mizuno, G. Abe, T. Nagaoka, M. Fukusumi

Wettability of some refractory materials by molten SiO₂–MnO–TiO₂–FeO_x slag
Materials Chemistry and Physics, Volume 114, Issues 2-3, 15 April 2009, Pages 681-686
Ping Shen, Hidetoshi Fujii, Kiyoshi Nogi

Arc ignitability, bead protection and weld shape variations for He–Ar–O₂ shielded GTA welding on SUS304 stainless steel
Journal of Materials Processing Technology, Volume 209, Issue 3, 1 February 2009, Pages 1231-1239
Shanping Lu, Hidetoshi Fujii, Kiyoshi Nogi

Many Others -> 他多数　　

2008

Development of an advanced A-TIG (AA-TIG) welding method by control of Marangoni convection
Materials Science and Engineering: A, Volume 495, Issues 1-2, 15 November 2008, Pages 296-303
Hidetoshi Fujii, Toyoyuki Sato, Shanping Lu, Kiyoshi Nogi

Many Others -> 他多数

2007

Fullerene/A5083 composites fabricated by material flow during friction stir processing
Composites Part A: Applied Science and Manufacturing, Volume 38, Issue 10, October 2007, Pages 2097-2101
Y. Morisada, H. Fujii, T. Nagaoka, K. Nogi, M. Fukusumi

11th: Science Direct Top 25 Hottest Articles: Scripta Materialia; April-June 2007
Friction stir welding of a high carbon steel
Scripta Materialia, Volume 56, Issue 7, April 2007, Pages 637-640
Ling Cui, Hidetoshi Fujii, Nobuhiro Tsuji, Kiyoshi Nogi

Important paper- FSW of Ti
Mechanical Properties of Friction stir welded titanium joint
Ceramic Transactions, Volume 198, , 2007, Pages 51-56
Hidetoshi Fujii, Hideaki Kato, Kazuhiro Nakata, Kiyoshi Nogi

Many Others -> 他多数

2006

Nanocrystallized magnesium alloy – uniform dispersion of C₆₀ molecules
Scripta Materialia, Volume 55, Issue 11, December 2006, Pages 1067-1070
Y. Morisada, H. Fujii, T. Nagaoka, M. Fukusumi

13th: Science Direct Top 25 Hottest Articles: Materials Letters; October-December 2006
Effect of welding parameters on microstructure in the stir zone of FSW joints of aluminum die casting alloy
Materials Letters, Volume 60, Issues 29-30, December 2006, Pages 3830-3837
Y.G. Kim, H. Fujii, T. Tsumura, T. Komazaki, K. Nakata

1st: Science Direct Top 25 Hottest Articles: Materials Science and Engineering A; June-Septemer 2006
Friction stir welding of carbon steels
Materials Science and Engineering: A, Volume 429, Issues 1-2, 15 August 2006, Pages 50-57
Hidetoshi Fujii, Ling Cui, Nobuhiro Tsuji, Masakatsu Maeda, Kazuhiro Nakata, Kiyoshi Nogi

Wettability of TiAlN films by molten aluminum
Thin Solid Films, Volume 515, Issue 4, 5 December 2006, Pages 2009-2014
Ping Shen, Masateru Nose, Hidetoshi Fujii, Kiyoshi Nogi

Improvement of mechanical properties of aluminum die casting alloy by multi-pass friction stir processing
Materials Science and Engineering: A, Volume 437, Issue 2, 15 November 2006, Pages 274-280
K. Nakata, Y.G. Kim, H. Fujii, T. Tsumura, T. Komazaki

10th: Science Direct Top 25 Hottest Articles: Materials Science and Engineering A; April-June 2006
Friction stir welding of ultrafine grained plain low-carbon steel formed by the martensite process
Materials Science and Engineering: A, Volume 423, Issues 1-2, 15 May 2006, Pages 324-330
R. Ueji, H. Fujii, L. Cui, A. Nishioka, K. Kunishige, K. Nogi

Wettability of polycrystalline rutile TiO₂ by molten Al in different atmospheres
Acta Materialia, Volume 54, Issue 6, April 2006, Pages 1559-1569
Ping Shen, Hidetoshi Fujii, Kiyoshi Nogi

9th: Science Direct Top 25 Hottest Articles: Materials Science and Engineering A; January-March 2006
15th: Science Direct Top 25 Hottest Articles: Materials Science and Engineering A; April-June 2006
Effect of tool shape on mechanical properties and microstructure of friction stir welded aluminum alloys
Materials Science and Engineering: A, Volume 419, Issues 1-2, 15 March 2006, Pages 25-31
Hidetoshi Fujii, Ling Cui, Masakatsu Maeda, Kiyoshi Nogi

Surface tension of molten silicon measured by microgravity oscillating drop method and improved sessile drop method
Acta Materialia, Volume 54, Issue 5, March 2006, Pages 1221-1225
Hidetoshi Fujii, Taihei Matsumoto, Shun Izutani, Shoji Kiguchi, Kiyoshi Nogi

Evaluation of unusual change in contact angle between MgO and molten magnesium
Materials Science and Engineering: A, Volume 417, Issues 1-2, 15 February 2006, Pages 99-103
Hidetoshi Fujii, Shun Izutani, Taihei Matsumoto, Shoji Kiguchi, Kiyoshi Nogi

10th: Science Direct Top 25 Hottest Articles: Materials Science and Engineering A; January-March 2006
Three defect types in friction stir welding of aluminum die casting alloy
Materials Science and Engineering: A, Volume 415, Issues 1-2, 15 January 2006, Pages 250-254
Y.G. Kim, H. Fujii, T. Tsumura, T. Komazaki, K. Nakata

Effect of friction stir processing with SiC particles on microstructure and hardness of AZ31
Materials Science and Engineering: A, Volume 433, Issues 1-2, 15 October 2006, Pages 50-54
Y. Morisada, H. Fujii, T. Nagaoka, M. Fukusumi

MWCNTs/AZ31 surface composites fabricated by friction stir processing
Materials Science and Engineering: A, Volume 419, Issues 1-2, 15 March 2006, Pages 344-348
Y. Morisada, H. Fujii, T. Nagaoka, M. Fukusumi

Important paper- FSW of steels
Friction stir welding of ultrafine grainedinterstitial free steels
Materials Transactions, Volume 47, Issues 1, 15 May 2006, Pages 239-242
H. Fujii, R. Ueji, Y. Takada, H. Kitahara, N. Tsuji, K. Nakata, K. Nogi

Many Others -> 他多数　　

2005

Wear characteristics of a WC–Co tool in friction stir welding of AC4A+30 vol%SiCp composite
International Journal of Machine Tools and Manufacture, Volume 45, Issue 14, November 2005, Pages 1635-1639
H.J. Liu, J.C. Feng, H. Fujii, K. Nogi

Wetting, adhesion and diffusion in Cu–Al/SiO₂ system at 1473 K
Scripta Materialia, Volume 52, Issue 12, June 2005, Pages 1259-1263
Ping Shen, Hidetoshi Fujii, Kiyoshi Nogi

Many Others -> 他多数　　

2004

Important paper -First FSP on Cast Alloys
Mcrostructure and mechanical properties of friction-stir-welded joints of AC4A Cast aluminum alloy
Materials Science and Technology, Volume 20, 2004, Pages 399-402
H. J. Liu, H. Fujii, K. Nogi

Bubble formation in aluminium alloy during electron beam welding
Journal of Materials Processing Technology, Volumes 155-156, 30 November 2004, Pages 1252-1255
Hidetoshi Fujii, Hideaki Umakoshi, Yasuhiro Aoki, Kiyoshi Nogi

Marangoni convection and weld shape variations in Ar–O₂ and Ar–CO₂ shielded GTA welding
Materials Science and Engineering A, Volume 380, Issues 1-2, 25 August 2004, Pages 290-297
Shanping Lu, Hidetoshi Fujii, Kiyoshi Nogi

Wetting and reaction of MgO single crystals by molten Al at 1073–1473 K
Acta Materialia, Volume 52, Issue 4, 23 February 2004, Pages 887-898
Ping Shen, Hidetoshi Fujii, Taihei Matsumoto, Kiyoshi Nogi

Formation and disappearance of pores in aluminum alloy molten pool under microgravity
Science and Technology of Advanced Materials, Volume 5, Issues 1-2, January-March 2004, Pages 219-223
Hidetoshi Fujii, Kiyoshi Nogi

Sensitivity of Marangoni convection and weld shape variations to welding parameters in O₂–Ar shielded GTA welding
Scripta Materialia, Volume 51, Issue 3, August 2004, Pages 271-277
Shanping Lu, Hidetoshi Fujii, Kiyoshi Nogi

Many Others -> 他多数　　

2003 and Before (Excluing wettability)

Important paper - FSW of high strength Al alloys
Tensile properties and fracture locations of friction-stir-welded joints of 2017-T351 aluminum alloy
Journal of Materials Processing Technology, Volume 142, Issue 3, 10 December 2003, Pages 692-696
H. J. Liu, H. Fujii, M. Maeda, K. Nogi

Behavior of bubbles in weld under microgravity
Acta Materialia, Volume 46, Issue 12, 24 July 1998, Pages 4405-4413
K. Nogi, Y. Aoki, H. Fujii, K. Nakata

Infiltration and combustion synthesis of an intermetallic compound Ni₃Al
Materials Science and Engineering: A, Volume 223, Issues 1-2, 28 February 1997, Pages 21-28
Hideo Nakae, Hidetoshi Fujii, Katsuya Nakajima, Akiko Goto

Many Others -> 他多数　

Wettability

Wettability of pure Ti by molten pure Mg droplets
Acta Materialia, Volume 58, Issue 2, January 2010, Pages 606-614
Katsuyoshi Kondoh, Masashi Kawakami, Hisashi Imai, Junko Umeda, Hidetoshi Fujii

Wettability of some refractory materials by molten SiO₂–MnO–TiO₂–FeO_x slag
Materials Chemistry and Physics, Volume 114, Issues 2-3, 15 April 2009, Pages 681-686
Ping Shen, Hidetoshi Fujii, Kiyoshi Nogi

Wettability of TiAlN films by molten aluminum
Thin Solid Films, Volume 515, Issue 4, 5 December 2006, Pages 2009-2014
Ping Shen, Masateru Nose, Hidetoshi Fujii, Kiyoshi Nogi

Wettability of polycrystalline rutile TiO₂ by molten Al in different atmospheres
Acta Materialia, Volume 54, Issue 6, April 2006, Pages 1559-1569
Ping Shen, Hidetoshi Fujii, Kiyoshi Nogi

Surface tension of molten silicon measured by microgravity oscillating drop method and improved sessile drop method
Acta Materialia, Volume 54, Issue 5, March 2006, Pages 1221-1225
Hidetoshi Fujii, Taihei Matsumoto, Shun Izutani, Shoji Kiguchi, Kiyoshi Nogi

Evaluation of unusual change in contact angle between MgO and molten magnesium
Materials Science and Engineering: A, Volume 417, Issues 1-2, 15 February 2006, Pages 99-103
Hidetoshi Fujii, Shun Izutani, Taihei Matsumoto, Shoji Kiguchi, Kiyoshi Nogi

Wetting, adhesion and diffusion in Cu–Al/SiO₂ system at 1473 K
Scripta Materialia, Volume 52, Issue 12, June 2005, Pages 1259-1263
Ping Shen, Hidetoshi Fujii, Kiyoshi Nogi

Effect of substrate crystallographic orientation on wettability and adhesion in several representative systems
Journal of Materials Processing Technology, Volumes 155-156, 30 November 2004, Pages 1256-1260

Wetting and reaction of MgO single crystals by molten Al at 1073–1473 K
Acta Materialia, Volume 52, Issue 4, 23 February 2004, Pages 887-898
Ping Shen, Hidetoshi Fujii, Taihei Matsumoto, Kiyoshi Nogi

The influence of surface structure on wetting of α-Al₂O₃ by aluminum in a reduced atmosphere
Acta Materialia, Volume 51, Issue 16, 15 September 2003, Pages 4897-4906
Ping Shen, Hidetoshi Fujii, Taihei Matsumoto, Kiyoshi Nogi

Reactive wetting of molten Al on different oriented α-Al₂O₃ single crystals at high temperatures
Scripta Materialia, Volume 49, Issue 6, September 2003, Pages 563-569
Ping Shen, Hidetoshi Fujii, Taihei Matsumoto, Kiyoshi Nogi

Wetting of (0 0 0 1) α-Al₂O₃ single crystals by molten Al
Scripta Materialia, Volume 48, Issue 6, 17 March 2003, Pages 779-784
Ping Shen, Hidetoshi Fujii, Taihei Matsumoto, Kiyoshi Nogi

Analysis of surface oscillation of droplet under microgravity for the determination of its surface tension
Acta Materialia, Volume 48, Issue 11, 30 June 2000, Pages 2933-2939
H. Fujii, T. Matsumoto, K. Nogi

Wettability of diamond by liquid pure tin
Acta Materialia, Volume 46, Issue 7, 10 April 1998, Pages 2305-2311
K. Nogi, M. Nishikawa, H. Fujii, S. Hara

Infiltration and combustion synthesis of an intermetallic compound Ni₃Al
Materials Science and Engineering: A, Volume 223, Issues 1-2, 28 February 1997, Pages 21-28
Hideo Nakae, Hidetoshi Fujii, Katsuya Nakajima, Akiko Goto

Equilibrium contact angle in the magnesium oxide/aluminium system
Acta Materialia, Volume 44, Issue 9, September 1996, Pages 3567-3573
H. Fujii, H. Nakae

Interfacial reaction wetting in the boron nitride/molten aluminum system
Acta Metallurgica et Materialia, Volume 41, Issue 10, October 1993, Pages 2963-2971
H. Fujii, H. Nakae, K. Okada

Many Others -> 他多数　　