熊本大学 大学院自然科学研究科・工学部
マテリアル工学専攻・マテリアル工学科

環境調和材料学講座(河村研究室)


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研究業績の紹介

熊大・河村グループの研究業績(発表論文、受賞)を紹介します.なお,個人研究業績については,メンバー紹介のページを参照下さい.


発表論文リスト

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2015
Quantitative evaluation of creep strain distribution in an extruded Mg-Zn-Gd alloy of multimodal microstructure
Y. Jono, M. Yamasaki, Y. Kawamura: Acta Materialia, 82(1) (2015) 198-211.
[Download: DOI Link]

2014
Highly ordered 10H-type long-period stacking order phase in a Mg-Zn-Y ternary alloy
M. Yamasaki, M. Matsushita, K. Hagihara, H. Izuno, E. Abe, Y. Kawamura: Scripta Materialia, 78-79 (2014) 13-16.
[Download: DOI Link]

In situ measurements on stability of long-period stacking-ordered structures in Mg85Y9Zn6 alloys during heating examined by multicolor synchrotron radiation small-angle scattering
H. Okuda, T. Horouchi, M. Yamasaki, Y. Kawamura: Scripta Materialia, 75 (2014) 66-69.
[Download: DOI Link]

Development of microstructures of long-period stacking ordered structures in Mg85Y9Zn6 alloys annealed at 673 K (400 C) examined by small-angle x-ray scattering
H. Okuda, T. Horouchi, T. Maruyama, M. Yamasaki, Y. Kawamura, K. Hagihara, S. Kohara: Metallurgical and Materials Transactions A, 45 (2014) 147-151.
[Download: DOI Link]

Microstructural evolution of long-period stacking ordered structures in Mg97Y2Zn1 alloys examined by in-situ small-angle X-ray scattering
H. Okuda, T. Horouchi, S. Hifumi, M. Yamasaki, Y. Kawamura, S. Kimura: Metallurgical and Materials Transactions A, 45(11) (2014) 4780-4785.
[Download: DOI Link]

2013
Elastic properties of an Mg-Zn-Y alloy single crystal with a long-period stacking-ordered structure
M. Tane, Y. Nagai, H. Kimizuka, K. Hagihara, Y. Kawamura: Acta Materialia 61 (2013) 6338-6351.
[Download: DOI Link]

Effect of LPSO Phase-Stimulated Texture Evolution on Creep Resistance of Extruded Mg-Zn-Gd Alloys
Yuri Jono, Michiaki Yamasaki and Yoshihito Kawamura: Materials Transactions 54, 5 (2013) 703-712.
[Download: DOI Link]

Non-basal slip systems operative in Mg12ZnY long-period stacking ordered (LPSO) phase with 18R and 14H structures
K. Hagihara, Y. Fukusumi, M. Yamasaki, T. Nakano, Y. Kawamura: Materials Transactions 54, 5 (2013) 693-697.
[Download: DOI Link]

Micro-Kinking of the Long-Period Stacking/Order (LPSO) Phase in a Hot-Extruded Mg97Zn1Y2 Alloy
Daisuke Egusa, Michiaki Yamasaki, Yoshihito Kawamura and Eiji Abe: Materials Transactions 54, 5 (2013) 698-702.
[Download: DOI Link]

Evolution of long-period stacking ordered structures on annealing as-cast Mg85Y9Zn6 alloy ingot observed by synchrotron radiation small-angle scattering
H. Okuda, T. Horiuchi, T. Tsukamoto, S. Ochiai, M. Yamasaki, Y. Kawamura: Scripta Materialia 68, 8 (2013) 575-578.
[Download: DOI Link]

Microfracture behaviour of extruded Mg-Zn-Y alloys containing long-period stacking ordered structure at room and elevated temperatures
Y. Mine,, H. Yoshimura, M. Matsuda, K. Takashima, Y. Kawamura: Materials Science and Engineering A, 570,(2013) 63-69.
[Download: DOI Link]

Crystallographic classification of kink bands in an extruded Mg-Zn-Y alloy using intragranular misorientation axis analysis
M. Yamasaki, K. Hagihara, S. Inoue, J. P. Hadorn, Y. Kawamura: Acta Materialia 61, 6 (2013) 2065-2076.
[Download: DOI Link]

High-temperature compressive deformation behavior of Mg97Zn1Y2 extruded alloy containing a long-period stacking ordered (LPSO) phase
K. Hagihara, A. Kinoshita, Y. Fukusumi, M. Yamasaki, Y. Kawamura: Materials Science and Engineering A 560 (2013) 71-79.
[Download: DOI Link]

Microstructure and mechanical properties of Mg-Zn-Y alloy sheet prepared by hot-rolling
T. Itoi, T. Inazawa, M. Yamasaki, Y. Kawamura, M. Hirohashi: Materials Science and Engineering A 560 (2013) 216-223.
[Download: DOI Link]

2012
The crystal structure of the LPSO phase of the 14H-type in the Mg-Al-Gd alloy system
K. Kishida, H. Yokobayashi, H. Inui, M. Yamasaki, Y. Kawamura: Intermetallics, 31 (2012) 55-64.
[Download: DOI Link]

Application of mixture rule to finite element analysis for forging of cast Mg?Zn?Y alloys with long period stacking ordered structure
R. Matsumoto, M. Otsu, M. Yamasaki, T. Mayama, H. Utsunomiya, Y. Kawamura: Materials Science and Engineering A 548 (2012) 75? 82.
[Download: DOI Link]

Microstructural factors affecting the deformation behavior of Mg12ZnY LPSO-phase alloys
K. Hagihara, A. Kinoshita, Y. Fukusumi, M. Yamasaki, Y. Kawamura: Materials Science Forum Vols. 706-709 (2012) 1158-1163.
[Download: DOI Link]

2011
Polytypes of long-period stacking structures synchronized with chemical order in a dilute Mg-Zn-Y alloy
E. Abe, A. Ono, T. Itoi, M. Yamasaki, Y. Kawamura: Philosophical Magazine Letters, vol.91, no.10 (2011) 690-696.
[Download: DOI Link]

Enrichment of Gd and Al atoms in the quadruple close packed planes and their in-plane long-range ordering in the long period stacking-ordered phase in the Mg-Al-Gd system
H. Yokobayashi, K. Kishida, H. Inui, M. Yamasaki, Y. Kawamura: Acta Materialia, vol.59, issue 19 (2011) 7287-7299.
[Download: DOI Link]

Corrosion and Passivation Behavior of Mg-Zn-Y-Al Alloys Prepared by Cooling Rate-controlled Solidification
M. Yamasaki, S. Izumi, Y. Kawamura, H. Habazaki: Applied Surface Science Vol.257, No.19 (2011) 8258-8267.
[Download: DOI Link]

Effect of Multimodal Microstructure Evolution on Mechanical Properties of Mg-Zn-Y Extruded Alloy
M. Yamasaki, K. Hashimoto, K. Hagihara, Y. Kawamura: Acta Materialia Vol.59, No.9 (2011) 3646-3658.
[Download: DOI Link]

Synthesis of Wurtzite-Type ZnMgS by the Pulsed Plasma in Liquid
E. Omurzak, W. Shimokawa, K. Taniguchi, L. Chen, M. Okamoto, H. Iwasaki, M. Yamasaki, Y. Kawamura, S. Sulaimankulova, T. Mashimo: Japanese Journal of Applied Physics 50 (2011) 01AB09
[Download: JJAP web site]

2010
Effect of long-period stacking ordered phase on mechanical properties of Mg97Zn1Y2 extruded alloy
K. Hagihara, A. Kinoshita, Y. Sugino, M. Yamasaki, Y. Kawamura, H.Y. Yasuda, Y. Umakoshi: Acta Materiala, Vol. 58, Issue 19, (2010) 6282-6293.
[Download: DOI Link]

Tensile property and cold formability of a Mg96Zn2Y2 alloy sheet with a long-period ordered phase
T. Itoi, T. Inazawa, Y. Kuroda, M. Yamasaki, Y. Kawamura, M. Hirohashi: Materials Letters, Vol. 64, No. 21, (2010) 2277-2280.
[Download: DOI Link]

Improvement of Corrosion Resistance of Extruded Mg-Zn-Y Mg/LPSO Two-Phase Allloys by Fourth Element Addition
S. Izumi, M. Yamasaki, Y. Kawamura: Materials Science Forum, Vol. 654-656 (2010) 767-770

Multimodal Microstructure Evolution in Wrought Mg-Zn-Y Alloys with High Strength and Increased Ductility
M. Yamasaki, K. Hashimoto, K. Hagihara, Y. Kawamura: Materials Science Forum, Vol. 654-656 (2010) 615-618

Temperature Dependence of Compressive Deformation Behavior of Mg89Zn4Y7 Extruded LPSO-Phase Alloys
K. Hagihara, A. Kinoshita, Y. Sugino, M. Yamasaki, Y. Kawamura, H. Y. Yasuda, Y. Umakoshi: Materials Science Forum, Vol. 654-656 (2010) 607-610

Thermal Stability and Mechanical Properties of Extruded Mg-Zn-Y Alloys with Long-Period Stacking Order Phase
M. Noda, Y. Kawamura: Materials Science Forum, Vol. 654-656 (2010) 611-614

Plastic deformation behavior of Mg97ZN1Y2 extruded alloys
K.Hagihara, A. Kinoshita, Y. Sugino, M. Yamasaki, Y. Kawamura, H. Y. Yasuda, Y. Umakoshi: Transactions of Nonferrous Metals Society of China, Vol. 20 (2010) 1259-1268
[Download: DOI Link]

Effect of Extrusion Parameters on Mechanical Properties of Mg97Zn1Y2 Alloys at Room and Elevated Temperatures
M. Hirano, M. Yamasaki, K. Hagihara, K. Higashida, Y. Kawamura: Materials Transactions Vol. 51, No. 9 (2010) 1640-1647
[Download: DOI Link] [Download: JIM]

Plastic deformation behavior of Mg89Zn4Y7 extruded alloy composed of long-period stacking ordered phase
K. Hagihara, A. Kinoshita, Y. Sugino, M. Yamasaki, Y. Kawamura, H. Y. Yasuda, Y. Umakoshi: Intermetallics 18 (2010) 1079-1085
[Download: DOI Link]

Nanocrystalline LPSO Mg-Zn-Y-Al alloys with high mechanical strength and corrosion resistance
H. Okouchi, Y. Seki, T. Sekigawa, H. Hira, Y. Kawamura: Materials Science Forum, Vol. 638-642, (2010), pp. 1476-1481.

Effect of annealing on microstructure and mechanical properties in Mg-Zn-Y alloy with long period stacking order phase
M. Noda, Y. Kawamura: Materials Science Forum, Vol. 638-642, (2010), pp. 1470-1475.
2009
Evolution of mechanical properties and microstructure in extruded Mg96Zn2Y2 alloys by annealing
M. Noda, T. Mayama, Y. Kawamura: Materials Transactions, Vol. 50, Issue 11, (2009), pp. 2526-2531.
[Download: DOI Link] [Download: JIM]

Microstructures and mechanical properties of Mg96Zn2Y2 alloy prepared by extrusion of machined chips
S. Fudetani, T. Itoi, T. Kubo, Y. Kawamura, M. Hirohashi: Materials Transactions, Vol. 50, Issue 2, (2009), pp. 349-353.
[Download: DOI Link] [Download: JIM]

Characterization of Precipitates in Mg-Sm Alloy Aged at 200C, Studied by High-Resolution Transmission Electron Microscopy and High-Angle Annular Detector Dark-Field Scanning Transmission Electron Microscopy
M. Nishijima, K. Hiraga, M. Yamasaki, Y. Kawamura: Materials Transactions Vol. 50, No. 7 (2009) 1747-1752.
[Download: DOI Link] [Download: JIM] >>> [E-Mail: Non-JIM member]

Forgeability and Flow Stress of Mg-Zn-Y Alloys with Long Period Stacking Ordered Structure at Elevated Temperatures
R. Matsumoto, M. Yamasaki, M. Otsu, Y. Kawamura: Materials Transactions Vol. 50, No. 4 (2009) 841-846.
[Download: DOI Link] [Download: JIM] >>> [E-Mail: Non-JIM member]

Influence of Cooling Rate on Corrosion Resistance of Rapidly Solidified Mg-Zn-Y Alloys with a Long Period Stacking Ordered Phase
S. Izumi, M. Yamasaki, Y. Kawamura: ECS Transactions, Vol. 16, Issue 32 (2009) 65-72.
[Download: DOI Link] [Download: ECS] >>> [E-Mail: Non-ECS member]

Development of High-strength and Highly Corrosion-resistant Bulk Nanocrystalline Mg-Zn-Y Alloys with Long Period Stacking Ordered Phase
M. Yamasaki, S. Izumi, Y. Kawamura: ECS Transactions, Vol. 16, Issue 32 (2009) 81-88.
[Download: DOI Link] [Download: ECS] >>> [E-Mail: Non-ECS member]

Relation between corrosion behavior and microstructure of Mg-Zn-Y alloys prepared by rapid solidification at various cooling rates
S. Izumi, M. Yamasaki, Y. Kawamura: Corrosion Science, 51 (2009) 395-402.
[Download: DOI Link]

Thermal diffusivity and thermal conductivity of Mg-Zn-rare earth element alloys with long period stacking ordered phase
M. Yamasaki, Y. Kawamura: Scripta Materialia, 60 (2009) 264-267.
[Download: DOI Link]

2008
The Fine-Grained Structure in Magnesium Alloy Containing Long-Period Stacking Order Phase
T. Morikawa, K. Kaneko, K. Higashida, D. Kinoshita, M. Takenaka, Y. Kawamura: Materials Transactions, Vol.49, No.6 (2008) 1294-1297.
[Download: DOI Link] [Download: JIM] >>> [E-Mail: Non-JIM member]

Fine-grained structure in extruded magnesium alloy with long-period stacking order phase
T. Morikawa, D. Kinoshita, Y. Kawamura, K. Higashida: Materials Science Forum, 561-565 (2007) 905-908.

Microstructure Evolutions of Rapidly-Solidified and Conventionally-Cast Mg97Zn1Y2 Alloys
A. Ono, E. Abe, T. Itoi, M. Hirohashi, M. Yamasaki, Y. Kawamura: Materials Transactions, Vol.49 No.5 (2008) 990-994.
[Download: DOI Link] [Download: JIM] >>> [E-Mail: Non-JIM member]

Electron beam welding of Zr-based BMG/Ni joints: effect of beam irradiation position on mechanical and microstructural properties
J. Kim, Y. Kawamura: Journal of Materials Processing Technology, (2008) in press.
[Download: DOI Link]

Thermal degradation of anodic niobia on niobium and oxygen-containing niobium
H. Habazaki, M. Yamasaki, T. Ogasawara, K. Fushimi, H. Konno, K. Shimizu, T. Izumi, R. Matsuoka, P. Skeldon and G.E. Thompson: Thin Solid Films, 516 (2008) 991-998.
[Download: DOI Link]

The Structure of Guinier-Preston Zones in an Mg-2 at%Gd-1 at%Zn Alloy Studied by Transmission Electron Microscopy
M. Nishijima, K. Hiraga, M. Yamasaki, Y. Kawamura: Materials Transactions, Vol. 49, No. 1 (2008) 227-229.
[Download: DOI Link] [Download: JIM] >>> [E-Mail: Non-JIM member]
2007
Formation of 14H long period stacking ordered structure and profuse stacking faults in Mg-Zn-Gd alloys during isothermal aging at high temperature
M. Yamasaki, M. Sasaki, M. Nishijima, K. Hiraga, Y. Kawamura: Acta Materialia 55 (2007) 6798-6805.
[Download: DOI Link]

Formation and Mechanical Properties of Mg97Zn1RE2 Alloys with Long Period Stacking Ordered Structure
Y. Kawamura, M. Yamasaki: Materials Transactions, Vol. 48, No.11 (2007) 2986-2992
[Download: DOI Link] [Download: JIM] >>> [E-Mail: Non-JIM member]

Use of laser irradiation to form anti-corrosive surface oxide layer on Mg metal
S. Izumi, M. Yamasaki, M. Otsu, Y. Kawamura: Materials Transactions Vol. 48, No. 7 (2007) 1965-1968.
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Microstructure and mechanical properties of electron beam weld joints of a Zr41Ti14Cu12Ni10Be23 bulk metallic glass with Zr
R. Bhowmick, S. Bysakh, Y. Kawamura, M. Yamasaki, U. Ramamurty, K. Chattopadhyay: Journal of Materials Research, Vol. 22, No. 2 (2007) 437-444.
[Download: DOI Link]

Transmission Electron Microscopy for Precipitate Phases in Rapidly Solidified Mg-2 at%Ce-1 at%Zn and Mg-2 at%Ce Alloys
M. Nishijima, K. Hiraga, M. Yamasaki and Y. Kawamura: Materials Transactions, Vol. 48, No. 3 (2007) 476-480.
[Download: DOI Link] [Download: JIM] >>> [E-Mail: Non-JIM member]

Electron beam welding of the dissimilar Zr-based bulk metallic glass and Ti metal
J. Kim, Y. Kawamura: Scripta Materialia 56 (2007) 709-712.
[Download: DOI Link]

Inhibition of Al grain coarsening by quasicrystalline icosahedral phase in the rapidly solidified powder metallurgy Al-Fe-Ti-Cr alloy
M. Yamasaki, Y. Nagaishi, Y. Kawamura: Scripta Materialia 56 (2007) 785-788.
[Download: DOI Link]

Vacuum degassing behavior of Zr-, Ni- and Cu-based metallic glass powders
M. Yamasaki, K. Iwamoto, H. Tamagawa, Y. Kawamura, J. K. Lee, H. J. Kim, J. C. Bae: Materials Science & Engineering A449-451 (2007) 907-910.
[Download: DOI Link]

Effect of process atmosphere on the mechanical properties of rapidly solidified powder metallurgy Al-Ti-Fe-Cr alloys
Y. Nagaishi, M. Yamasaki, Y. Kawamura: Materials Science & Engineering A449-451 (2007) 794-798.
[Download: DOI Link]

Vacuum degassing behavior of rapidly solidified Al-Mn-Zr alloy powders
K. Iwamoto, M. Yamasaki, Y. Kawamura: Materials Science & Engineering A449-451 (2007) 1013-1017.
[Download: DOI Link]

Properties of Zr-based bulk metallic glass under shock compression
H. Togo, Y. Zhang, Y. Kawamura, T. Mashimo: Materials Science & Engineering A449-451 (2007) 264-268.
[Download: DOI Link]

Hugoniot-compression curve of Zr-based bulk metallic glass
T. Mashimo, H. Togo, Y. Zhang, Y. Uemura, T. Kinoshita, M. Kodama, Y. Kawamura: Applied Physics Letters, 89 (2006) 241904.
[Download: DOI Link]

Corrosion behavior of rapidly solidified Mg-Zn-rare earth element alloys in NaCl solution
M. Yamasaki, N. Hayashi, S. Izumi, Y. Kawamura: Corrosion Science, 49 (2007) 255-262.
[Download: DOI Link]

2006
Phase evolution in Cu54Ni6Zr22Ti18 bulk metallic glass Nd:YAG laser weld
J. Kim, D. Lee, S. Shin, C. Lee: Materials Science and Engineering A434 (2006) 194-201.
[Download: DOI Link]

Characterization of beta' phase precipitates in an Mg-5at%Gd alloy aged in a peak hardness condition, studied by high-angle annular detector dark-field scanning transmission electron microscopy
M. Nishijima, K. Hiraga, M. Yamasaki, Y. Kawamura: Materials Transactions, Vol.47, No.8 (2006) 2109-2112.
[Download: DOI Link] [Download: JIM] >>> [E-Mail: Non-JIM member]

Changes in the Surface Characteristics of Gas-Atomized Pure Aluminum Powder during Vacuum Degassing
M. Yamasaki, Y. Kawamura: Materials Transactions, Vol.47, No.8 (2006) 1902-1905.
(Young Best Paper Award, Japan Institute of Metals, March, 2007)
[Download: DOI Link] [Download: JIM] >>> [E-Mail: Non-JIM member]

Oxidation and vacuum degassing behavior of rapidly solidified Al alloy powders
M. Yamasaki, K. Iwamoto, Y. Kawamura: ECS Transactions Vol.1, No.4 (2006) 43-48.
[Download: DOI Link]

Elevated Temperature Mg97Y2Cu1 Alloy with Long Period Ordered Structure
Y. Kawamura, T. Kasahara, S. Izumi, M. Yamasaki: Scripta Materialia, 55 (2006) 453-456.
[Download: DOI Link]

TEM study of Mg-Zn precipitates in Mg-Zn-Y alloys
J. C. Rao, M. Song, K. Furuya, S. Yoshimoto, M. Yamasaki, Y. Kawamura: Journal of Materials Science, 41 (2006) 2573-2576.
[Download: DOI Link]

Microstructure and Mechanical Properties of Extruded Mg-Zn-Y Alloys with 14H Long Period Ordered Structure
S. Yoshimoto, M. Yamasaki, Y. Kawamura: Materials Transactions, 47, 4 (2006) 959-965.
(Highly Contributed Paper Award for Young Researcher, Japan Institute of Light Metals, November, 2006)
(JIM Best Paper Award, Japan Institute of Metals, September, 2007)
[Download: JIM] >>> [E-Mail: Non-JIM member]

Effect of tetragonal ZrO2 on the catalytic activity of Ni/ZrO2 catalyst prepared from amorphous Ni-Zr alloys
M. Yamasaki, H. Habazaki, K. Asami, K. Izumiya, K. Hashimoto: Catalysis Communications, 7 (2006) 24-28.
[Download: DOI Link]

The microstructures and mechanical properties of hot-processed magnesium casting alloys
T. Yamaguchi, T. Tsukeda, K. Saito, Y. Kawamura: Materials Science Forum, 503-504 (2006) 775-780.

Mechanical properties and microstructure of Mg-Zn-Y alloys processed by ECAE
S. Yoshimoto, Y. Miyahara, Z. Horita, Y. Kawamura: Materials Science Forum, 503-504 (2006) 769-774.

2005
Mechanical properties of warm-extruded Mg-Zn-Gd alloy with coherent 14H long period stacking ordered structure precipitate
M. Yamasaki, T. Anan, S. Yoshimoto, Y. Kawamura: Scripta Materialia, 53 (2005) 799-803.
[Download: DOI Link]

Thermal diffusivity and conductivity of Zr55Al10Ni5Cu30 bulk metallic glass
M. Yamasaki, S. Kagao, Y. Kawamura: Scripta Materialia, 53 (2005) 63-67.
[Download: DOI Link]

Nanostructure analysis of friction welded Pd-Ni-P/Pd-Cu-Ni-P metallic glass interface
T. Ohkubo, T. Shoji, Y. Kawamura, K. Hono: Scripta Materialia, 53 (2005) 493-497.
[Download: DOI Link]

HRTEM study of precipitates in Mg-Zn-Y alloys as cast and after extrusion
J. C. Rao, Y. Zhou, S. Yoshimoto, M. Yamasaki, Y. Kawamura: Advanced Engineering Materials, 7 (2005) 610-612.
[Download: DOI Link]

TEM study of precipitates in melt-spun Mg-Zn-Y-La alloys
J. C. Rao, K. Inoue, Y. Kawamura: Advanced Engineering Materials, 7 (2005) 507-512.
[Download: DOI Link]

Hardness and Plastic Deformation in a Bulk Metallic Glass
U. Ramamurty, S. Jana, Y. Kawamura and K. Chattopadhyay: Acta Materialia, 53 (2005) 705-717.
[Download: DOI Link]

Variation of long-period stacking order structures in rapidly solidified Mg97Zn1Y2 alloy
M. Matsuda, S. Ii, Y. Kawamura, Y. Ikuhara, M. Nishida: Materials Science & Engineering, A393 (2005) 269-274.
[Download: DOI Link]

Synthesis of Cu-based Bulk Metallic Glass Matrix Composites by Warm Processing of Gas Atomized Powders
J. K. Lee, H. J. Kim, M. Yamasaki, Y. Kawamura, J. C. Bae: Materials Science Forum, 475-477 (2005) 3419-3422.
[Abstract: Scopus]

2004
Thermal diffusivity and conductivity of supercooled liquid in Zr41Ti14Cu12Ni10Be23 metallic glass
M. Yamasaki, S. Kagao, Y. Kawamura, K. Yoshimura: Applied Physics Letters, Vol.84, No.23, (2004) 4653-4655.
[Download: AIP]

Effect of Vacuum Degassing on Surface Characteristics of Rapidly Solidified Al-Based Alloy Powders
M. Yamasaki, Y. Kawamura: Materials Transactions, 45 (2004) 1335-1338.
[Download: JIM] >>> [E-Mail: Non-JIM member]

Friction Welding of Bulk Metallic Glasses to Different Ones
T. Shoji, Y. Kawamura and Y. Ohno: Materials Science & Engineering A, 375-377 (2004) 394-398.
[Download: DOI Link]

Electron-Beam Welding of Zr-Based Bulk Metallic Glasses
S. Kagao, T. Shoji, Y. Kawamura and Y. Ohno: Materials Science & Engineering A, 375-377 (2004) 312-316.
[Download: DOI Link]

Liquid Phase and Supercooled Liquid Phase welding of Bulk Metallic Glass
Y. Kawamura: Materials Science & Engineering A, 375-377 (2004) 112-119.
[Download: DOI Link]

Interaction between long period stacking order phase and deformation twin in rapidly solidified Mg97Zn1Y2 alloy
M. Matsuda, S. Ii, Y. Kawamura, Y. Ikuhara, M. Nishida: Materials Science & Engineering A, 386 (2004) 447-452.
[Download: DOI Link]

Formation Process of Unique Microstructure in Rapidly Solidified Mg97Zn1Y2 Alloy
M. Nishida, Y. Kawamura and T. Yamamuro: Materials Science & Engineering A, 375-377 (2004) 1217-1223.
[Download: DOI Link]

Subsurface Deformation during Vickers Indentation of Bulk Metallic Glasses
S. Jana, U. Ramamurty, K. Chattopadhyay and Y. Kawamura: Materials Science & Engineering A, 375-377 (2004) 1191-1195.
[Download: DOI Link]

Deformation Morphology Underneath the Vickers Indent in a Zr-based Bulk Metallic Glass
S. Jana, R. Bhowmick, Y. Kawamura, K. Chattopadhyay and U. Ramamurty: Intermetallics,12 (2004) 1097-1102.
[Download: DOI Link]

Long Period Stacking Structure Observed in Mg97Zn1Y2Alloy
T. Itoi, T. Seimiya, Y. Kawamura and M. Hirohashi: Scripta Materialia, 51 (2004) 107-111.
[Download: DOI Link]

New magnesium alloys with long period stacking ordered structure
Y. Kawamura: Keikinzoku/Journal of Japan Institute of Light Metals, 54 (2004) 503-504. (Japanese source).

2003
Welding Technologies of Bulk Metallic Glasses
Y. Kawamura, T. Shoji and Y. Ohno: Journal of Non-Crystalline Solids, 317 (2003) 152-157.
[Download: DOI Link]

Joining of Zr41Be23Ti14Cu2Ni10 Bulk Metallic Glasses by a Friction Welding Method
T. Shoji, Y. Kawamura and Y. Ohno: Materials Transactions, 44 (2003) 1809-1816.
[Download: JIM]

Production of high strength Mg97Zn1Y2 alloy by using mechanically alloyed MgH2 powder
M. Matsuda, Y. Kawamura, M. Nishida: Materials Transactions, 44 (2003) 440-444.
[Download: JIM]

Development of High Strength Magnesium Alloys by Rapid Solidification
Y. Kawamura and A. Inoue: Materials Science Forum, 419-422 (2003) 709-714.
[Abstract: Scopus]

Structure and Mechanical Properties of Rapidly Solidified Mg97Zn1RE2 Alloys
Y. Kawamura, T. Morisaka, M. Yamasaki: Materials Science Forum, 419-422 (2003) 751-756.
[Abstract: Scopus] [Abstract: INSPEC]

Microstructure of High Strength Mg97Zn1Y2 Alloys Preparedby Extrusion of Gas-Atomized Powder
T. Itoi, T. Seimiya, Y. Kawamura, M. Hirohashi: Materials Science Forum, 419-422 (2003) 721-726.
[Abstract: Scopus]

Rapidly solidified Mg-(Ag, Sc)-X alloys with high strength
K. Inoue, Y. Kawamura and M. Nishida: Materials Science Forum, 419-422 (2003) 757-762.
[Abstract: Scopus]

Corrosion Behavior of Rapidly Solidified Mg-Zn-Y Alloy Ribbons
M. Yamasaki, K. Nyu and Y. Kawamura: Materials Science Forum, 419-422 (2003) 937-942.
[Abstract: Scopus] [Abstract: INSPEC]

Development of High Strength Mg Alloys by Mechanical Alloying
S. Yoshimoto, M. Yamasaki and Y. Kawamura: Materials Science Forum, 419-422 (2003) 763-768.
[Abstract: Scopus]

Magnesium Research Trend in Japan
S. Kamado, J. Koike, K. Kondoh, Y. Kawamura: Materials Science Forum, 419-422 (2003) 21-34.
[Abstract: Scopus]

Microstructure if a High-Strength Nanocrystalline Mg-1at%Zn-2at%Y Alloy Studied by Atomic-Resolution Z-Contrast STEM
E. Abe, Y. Kawamura, A. Inoue: Materials Science Forum, 419-422 (2003) 727-732.
[Abstract: Scopus]

Microstructures and Tensile Properties of Mg-Zn-Y Alloys Containing Quasicrystals
H. Taniuchi, H. Watanabe, H. Okumura, S. Kamado, Y. Kojima and Y. Kawamura: Materials Science Forum, 419-422 (2003) 255-260.
[Abstract: Scopus]

Development of High Strength Mg Alloys by MA-HDH P/M Process
M. Matsuda, S. Yoshimoto, Y. Kawamura, K. Ishikawa and M. Nishida: Materials Science Forum, 419-422 (2003) 739-744.
[Abstract: Scopus]

Electron microscopy study of microstructure modifications in RS P/M Mg97Zn1Y2 alloy
M. Nishida, T. Yamamuro, M. Nagano, Y. Morizono, Y. Kawamura: Materials Science Forum, 419-422 (2003) 715-720.
[Abstract: Scopus]

2002-2001 (Professor's Choice: Important Papers)
Local chemistry of a nanocrystalline high-strength Mg97Y2Zn1 alloy
D.H. Ping, K. Hono, Y. Kawamura, A. Inoue: Philosophical Magazine Letters 82, 10 (2002) 543-551.
[Download: DOI Link]

Long-period ordered structure in a high-strength nanocrystalline Mg-1 at% Zn-2 at% Y alloy studied by atomic-resolution Z-contrast STEM
E. Abe, Y. Kawamura, K. Hayashi, A. Inoue: Acta Mater., 50 (2002) 3845-3857.
[Download: DOI Link]

Rapidly solidified powder metallurgy Mg97Zn1Y2 alloys with excellent tensile yield strength above 600 MPa
Y. Kawamura, K. Hayashi, A. Inoue, T. Masumoto: Mater. Trans., 42 (2001) 1172-1176. (Highly Contributed Paper Award, Japan Institute of Metals)
[Download: JIM]


受賞リスト

2011
軽金属学会第121回秋期大会・優秀ポスター発表賞
「LPSO型Mg-Zn-Y-Zr合金鋳造材の加工性に及ぼすZr添加の影響」
井上晋一、山崎倫昭、河村能人
早稲田大学 西早稲田キャンパス、2011年11月12日、(社)軽金属学会

軽金属学会第121回秋期大会・優秀ポスター発表賞
「LPSO型Mg-Zn-Y合金押出材の引張特性に及ぼすLPSO相体積分率と押出速度の影響」
福永康文、眞山剛、山崎倫昭、河村能人
早稲田大学 西早稲田キャンパス、2011年11月12日、(社)軽金属学会

日本金属学会2011年秋期(第147回)講演大会・第17回優秀ポスター賞
「Mg-Zn-Y 合金一方向凝固材における長周期積層構造相のマイクロスケール引張試験」
小田浩明(現・九大院生)、山崎倫昭、河村能人、大津雅亮(福井大)、高島和希、東田賢二(九大)
沖縄コンベンションセンター、2011年11月7-9日、(社)日本金属学会

ASMA4 Poster Award
“Effect of Long Period Stacking Ordered Phase on Creep Resistance of Mg-Zn-Gd Extruded Alloys”
Yuri Jono, Michiaki Yamasaki, Yoshihito Kawamura
4th Asian Symposium on Magnesium alloys, October 4, 2011, Busan, Korea

IMS 2011 International Metallographic Contest, First Place, Class 3 Electron Microscopy - Transmission and Analytical
“Ordering of Gd Atoms in the Quadruple Gd-enriched Layers in the Ternary Mg-Al-Gd LPSO Phase”
K. Kishida, H. Yokobayashi, H. Inui, M. Yamasaki, Y. Kawamura
ASM International Metallographic Society, August 2011.

第61回日本金属学会金属組織写真賞優秀賞(透過電子顕微鏡部門)
「Mg-Al-Gd三元系LPSO相における希土類元素Gdの4重層濃縮とその規則配列」
横林秀幸、岸田恭輔、乾晴行、山崎倫昭、河村能人
(社)日本金属学会、2011年3月25日

2010
MRS Poster Award
“Structure Analysis of a Long Period Stacking Ordered Phase in Mg-Al-Gd Alloys”
H. Yokobayashi, K. Kishida, H. Inui, M. Yamasaki, Y. Kawamura
Materials Research Society, 2010 Fall Meeting (Boston, MA, USA), November 29-December 3, 2010.

The 6th KU-KITECH Best Poster Award
“Effect of Zr Addition on Mechanical Properties and Microstructure of Mg-Zn-Y Alloy Extrusions Prepared from Low Cooling Rate-Cast Ingots”
Shinichi Inoue, Michiaki Yamasaki, Yoshihito Kawamura
The 6th KU-KITECH Symposium on Bulk Metallic Glasses and Advanced Materials, September 14-15, 2010, Kumamoto, Japan

YSR5 Best Poster Award Second Prize
“Effect of Extrusion on Microstructure and Elevated Temperature Properties of Mg97Zn1Y2 Alloys”
Masaaki Hirano, Michiaki Yamasaki, Yoshihito Kawamura, Koji Hagihara, Kenji Higashida
The 5th Pan-Yellow Sea Rim International Symposium on Magnesium Alloys, November 16-18, 2010, Taipei, Taiwan

2009
ASMA3 Poster Award
“Effects of Cooling Rate on Corrosion Properties and Microstructure of Mg-Zn-Y Alloys with LPSO Phase”
Shogo Izumi, Michiaki Yamasaki, Yoshihito Kawamura
The 3rd Asian Symposium on Magnesium Alloys, September 21-23, 2009, Shenyan, China

ASMA3 Poster Award
“Influence of Cooling Rate on Microstructure and Mechanical Properties of Mg-Zn-Y Cast and Extruded Alloys”
Kenji Hashimoto, Michiaki Yamasaki, Yoshihito Kawamura
The 3rd Asian Symposium on Magnesium Alloys, September 21-23, 2009, Shenyan, China

軽金属希望の星賞
川崎辰朗
2009年1月30日、(社)軽金属学会
2008
第11回日本マグネシウム協会賞奨励賞
「長周期積層構造相が析出する高強度Mg-Zn-Gd合金の開発」
山崎倫昭
2008年6月11日、日本マグネシウム協会

第10回日本金属学会優秀ポスター賞
「長周期積層構造型急速凝固Mg-Zn-(Y, Gd)合金の腐食挙動の調査」
泉尚吾、山崎倫昭、河村能人
2008年3月28日、(社)日本金属学会

第58回金属組織写真賞奨励賞(A部門)
「Mg97Gd2Zn1合金中のGP-Zonesの原子配列の直接観察」
西嶋雅彦、平賀賢二、山崎倫昭、河村能人
2008年3月27日、(社)日本金属学会
2007
Excellent Poster Award
"Microstrucutre Evolution and Mechanical Properties of Mg-Zn-Gd Alloy with Long-Period Stacking Ordered Structure"
Minami Sasaki, Michiaki Yamasaki, Yoshihito Kawamura
2nd Asian Symposium on Magnesium Alloys, Fukuoka, Japan, October 3, 2007.

第55回日本金属学会論文賞(力学特性部門)
"Microstructure and Mechanical Properties of Extruded Mg-Zn-Y Alloys with 14H Long Period Ordered Structure" (Materials Transactions Vol. 47, No. 4 (2006) 959-965.)
吉本慎太郎、山崎倫昭、河村能人
2007年9月19日、(社)日本金属学会

第8回日本金属学会優秀ポスター賞
「長周期積層構造を有するMg-Zn-Gd合金におけるTTT曲線の作成」
佐々木美波、山崎倫昭、河村能人
2007年3月28日、(社)日本金属学会

第55回日本金属学会論文賞(若手講演論文部門、第6回若手講演論文)
"Changes in the Surface Characteristics of Gas-Atomized Pure Aluminum Powder during Vacuum Degassing" (Materials Transactions Vol.47, (2006) 1902-1905.)
山崎倫昭、河村能人
2007年3月28日、(社)日本金属学会
2006
平成18年度軽金属学会論文新人賞
"Microstrucutre and Mechanical Properties of Extruded Mg-Zn-Y Alloys with 14H Long Period Ordered Structure" (Materials Transactions Vol.47, (2006) 959-965.)
吉本慎太郎
2006年11月18日、(社)軽金属学会

第24回軽金属奨励賞
「高温時効により長周期積層構造が析出する高強度Mg-Zn-Gd合金の開発」
山崎倫昭
2006年11月18日、(社)軽金属学会

Poster Award
"Effect of heat treatment on microstructure and mechanical properties of Mg-Zn-Gd cast alloys with long period ordered structure"
Minami Sasaki, Michiaki Yamasaki, Yoshihito Kawamura
The 3rd KITECH-KU Symposium on Bulk Metallic Glasses and Advanced Materials, June 29-30, 2006, KyeongJu, Korea.

軽金属学会第110回春期大会・優秀ポスター発表賞
「長周期積層構造型Mg-Zn-Y合金の機械的性質に及ぼす塑性加工の影響」
玉川博一、山崎倫昭、萩原幸司(阪大)、東田賢二(九州大)、河村能人
北九州国際会議場、2006年5月13日、(社)軽金属学会

軽金属学会第110回春期大会・優秀ポスター発表賞
「長周期積層構造相を有するMg-Zn-Gd鋳造合金の組織と機械的性質に及ぼす熱処理の影響」
佐々木美波、山崎倫昭、河村能人
北九州国際会議場、2006年5月13日、(社)軽金属学会

軽金属学会第110回春期大会・優秀ポスター発表賞
「長周期積層構造相を有する急速凝固Mg-Zn-Gd合金のNaCl水溶液中における腐食挙動」
泉尚吾、山崎倫昭、河村能人
北九州国際会議場,2006年5月13日、(社)軽金属学会

平成18年度日本金属学会・日本鉄鋼協会九州支部合同学学術講演会・ポスターセッション優秀発表賞
「長周期積層構造を有するMg-Zn-Gd系急速凝固薄帯固化成形材の作製と機械的性質」
Kim Min-Chul、山崎倫昭、河村能人
九州工業大学、2006年6月10日

平成18年度日本金属学会・日本鉄鋼協会九州支部合同学学術講演会・ポスターセッション優秀発表賞
「Mg-Zn-Gd鋳造合金の熱処理による組織と機械的性質の変化」
佐々木美波、山崎倫昭、河村能人
九州工業大学、2006年6月10日
2005
第53回日本金属学会論文賞、「まてりあ」論文部門
「ナノ結晶強力マグネシウム合金の開発」
河村能人、井上明久(東北大教授)
2005年9月30日、(社)日本金属学会

三澤記念賞
「高強度高耐食性急速凝固Mg-Zn-RE合金の研究」
山崎倫昭
2005年9月16日、(社)腐食防食協会

日本金属学会2005年秋期大会・優秀ポスター賞
「Zr基金属ガラスの超高速変形挙動の調査」
東郷洋明、上村祐介、張雨陽、河村能人、真下茂
広島大学、2005年9月30日、(社)日本金属学会

軽金属学会第108回春期大会・若手ポスターセッション・優秀賞
「アルミニウム基急速凝固粉末における粉末表面性状の経時変化とその加熱脱ガス挙動」
岩本光太郎,山崎倫昭,河村能人
豊橋技科大学,2005年5月14日、(社)軽金属学会

軽金属学会第108回春期大会・若手ポスターセッション・奨励賞
「Mg-Zn-Y-Sn系急速凝固薄片固化成形材の機械的性質」
坂本佳士,山崎倫昭,河村能人
豊橋技科大学,2005年5月14日、(社)軽金属学会

2004
Young Researcher Award
"Vacuum degassing behavior of rapidly solidified Al alloy powders"
M. Yamasaki
The 4th International Symposium on the 21st Century COE Program Nagaoka University of Technology and The 5th International Symposium on Eco-Materials Procvessing & Design (ISEPD 2004), January 19-21, 2004, Nagaoka, Japan

軽金属学会第107回秋期大会・ポスターセッション・優秀ポスター発表賞
「Al-Ti-Fe-Cr急速凝固粉末冶金合金の機械的性質に及ぼす固化成形条件の影響」
永石裕介,山崎倫昭,河村能人

平成16年度日本金属学会・日本鉄鋼協会九州支部合同学術講演会ポスター優秀発表賞
「Al-Mn-Zr急速凝固粉末冶金合金の作製と機械的性質」
永石裕介,Jiancun RAO,山崎倫昭,河村能人

平成16年度日本金属学会・日本鉄鋼協会九州支部合同学術講演会ポスター優秀発表賞
「Al-Zn-Mg-Cu系急速凝固粉末の脱ガス挙動に及ぼす合金添加元素の影響」
岩本光太郎,山崎倫昭,河村能人

2003
Highly Contributed Paper Award in PSTAM2003
"Development of High Strength Magnesium Alloys by Rapid Solidification"
Y. Kawamura
Organizing Committee of PSTAM 2003

Student Poster Award in PSTAM2003
"Development of High Strength Mg Alloys by Mechanical Alloying"
S. Yoshimoto, M. Matsuda, M. Yamasaki and Y. Kawamura
Organizing Committee of PSTAM 2003

Student Poster Award in PSTAM2003
"Structure and Mechanical Properties of Rapidly Solidified Mg97Zn1RE2 Alloys"
T. Morisaka, Y. Kawamura and M. Yamasaki
Organizing Committee of PSTAM 2003"

2002
2002 International Metallographic Contest "International Metallographic Society and the Materials Information Society"
"Microstructure of a High Strength Nanocrystalline Mg97Zn1Y2 Alloy Studied by Atomic-resolution Z-Contrast STEM"
E. Abe, Y. Kawamura and A. Inoue

Poster Award in DIS'02 "High Temperature Society of Japan"
"Friction Welding of Bulk Metallic Glasses"
T. Shoji and Y. Kawamura

日本金属学会論文賞(日本金属学会)
"Rapidly Solidified Powder Metallurgy Mg97Zn1Y2 Alloys with Excellent Tensile Yield Strength above 600 MPa"
河村能人、林健太郎、井上明久、増本健

日本金属学会組織写真賞(日本金属学会)
「原子分解能Zコントラスト法による高強度ナノ結晶Mg-1at%Zn-2at%Y合金の微細構造解析」
阿部英司、河村能人、松下光英、井上明久

日本マグネシウム協会奨励賞(日本マグネシウム協会)
「急速凝固Mg-Y合金に関する基礎研究」
河村能人

平成14年度日本金属学会・日本鉄鋼協会九州支部合同学術講演会ポスター優秀発表賞
「金属ガラス同士の摩擦接合とその接合メカニズム」
庄司卓央,河村能人


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