Publications

[Publications] [International conference proceedings]

Publications

[84]

K. Hagihara, T. Okamoto, M. Yamasaki, T. Nakano
Crystal-orientation-dependent corrosion behaviour of single crystals of a pure Mg and Mg-Al and Mg-Cu solid solutions
Corrosion Science, (2016), in press.

[83] K. Hagihara, H. Araki, T. Ikenishi, T. Nakano
High-temperature deformation behavior of (Mo0.85Nb0.15)Si2 crystals with C40/C11b lamellar microstructure
Materials Science Forum, (2016), in press
[82] K. Hagihara, M. Okubo,  M. Yamasaki,  T. Nakano
Plastic deformation behavior of 10H-type synchronized LPSO phase in a Mg-Zn-Y system
Acta Materialia, 109 (2016) pp.90-102.                                                                                         http://dx.doi.org/10.1016/j.actamat.2016.02.037
[81]

K. Hagihara, T. Okamoto, M. Yamasaki, Y. Kawamura, T. Nakano
Electron backscatter diffraction pattern analysis of the deformation band formed in the Mg-based long-period stacking ordered phase
Scripta Materialia, 117 (2016) pp.32-36.
http://dx.doi.org/10.1016/j.scriptamat.2016.02.016

[80] K. Hagihara, H. Araki, T. Ikenishi, T. Nakano
Creep-deformation behavior of (Mo0.85Nb0.15)Si2 lamellar-structured C40/C11b two-phase crystals
Acta Materialia, 107 (2016) pp.196-212.
http://dx.doi.org/10.1016/j.actamat.2016.01.040
[79] K. Hagihara, T. Mayama, M. Honnami, M. Yamasaki, H. Izuno, T. Okamoto, T. Ohashi, T. Nakano, Y. Kamwamura
Orientation dependence of the deformation kink band formation behavior in Zn single crystals
International Journal of Plasticity, 77 (2016) pp.174-191.
http://dx.doi.org/10.1016/j.ijplas.2015.10.005
[78] M. Todai, K. Hagihara, K. Kishida, H. Inui, T. Nakano
Microstructure and fracture toughness in boron added NbSi2(C40)/MoSi2(C11b) duplex crystals
Scripta Materialia, 113 (2016) pp.236-240.
http://dx.doi.org/10.1016/j.scriptamat.2015.11.004
[77] M. Tane, K. Hagihara, M. Ueda, T. Nakano, Y. Okuda
Elastic-modulus enhancement during room-temperature aging and its suppression in metastable Ti-Nb-based alloys with low body-centered cubic phase stability
Acta Materialia, 102 (2015) pp.373-384.
http://dx.doi.org/10.1016/j.actamat.2015.09.030
[76] T. Yamazaki, Y. Koizumi, K. Yuge, A. Chiba, K. Hagihara, T. Nakano, K. Kishida, H. Inui
Mechanisms of lamellar structure formation and Cr interfacial segregation in C11b-MoSi2/C40-NbSi2 dual phase silicide verified by a phase-field simulation incorporating elastic inhomogeneity
Computational Materials Science, 108 (2015) pp.358-366.
http://dx.doi.org/10.1016/j.commatsci.2015.04.018
[75] 當代光陽,萩原幸司,石本卓也,山本憲吾,中野貴由
β型Ti-15Mo-5Zr-3Al合金単結晶を用いた低ヤング率ボーンプレートの開発
鉄と鋼, 101 (2015) pp.501-505.
http://doi.org/10.2355/tetsutohagane.TETSU-2015-044
[74] M.Tane, H. Kimizuka, K Hagihara, S. Suzuki, T. Mayama, T. Sekino, Y. Nagai
Effects of stacking sequence and short-range ordering of solute atoms on elastic properties of Mg-Zn-Y alloys with long-period stacking ordered structures
Acta Materialia, 96 (2015) pp.170-188.
http://dx.doi.org/10.1016/j.actamat.2015.06.005
[73] T. Mayama, T. Ohashi, Y. Tadano and K. Hagihara
Crystal plasticity analysis of development of intragranular misorientations due to kinking in HCP single crystals subjected to uniaxial compressive loading
Materials Transactions, 56 (2015) pp.963-972.
http://doi.org/10.2320/matertrans.MH201403
[72] K. Hagihara, M. Honnami, R. Matsumoto , Y. Fukusumi, H. Izuno, M. Yamasaki, T. Okamoto, T. Nakano, Y. Kawamura
In-Situ observation on the formation behavior of the deformation kink bands in Zn single crystal and LPSO phase
Materials Transactions, 56 (2015) pp.943-951.
http://doi.org/10.2320/matertrans.MH201412
[71] K. Hagihara, M. Yamasaki, M. Honnami, H. Izuno, M. Tane, T. Nakano, Y. Kawamura
Crystallographic nature of deformation bands shown in Zn and Mg-based long-period stacking ordered (LPSO) phase
Philosophical Magazine, 95 (2015) pp.132-157.
http://doi.org/10.1080/14786435.2014.987843
[70] K. Hagihara, S. Shakudo, K. Fujii, T. Nakano
Degradation behavior of Ca-Mg-Zn intermetallic compounds for use as biodegradable implant materials
Materials Science Engineering C, 44 (2014) pp.285-292.
http://dx.doi.org/10.1016/j.msec.2014.08.037
[69] Y. Koizumi, T. Yamazaki, K. Yuge, A. Chiba, K. Hagihara, T. Nakano, K. Kishida, H. Inui
Mechanisms of Cr segregation to C11b/C40 lamellar interface in (Mo,Nb)Si2 duplex silicide: a phase-field study to bridge experimental and first-principles investigations
Intermetallics, 54 (2014) pp.232-241.
http://dx.doi.org/10.1016/j.intermet.2014.05.019
[68] K. Hagihara, T. Fushiki, T. Nakano
Control of microstructure and fracture toughness improvement of NbSi2/MoSi2 duplex lamellar silicides by TaC particles dispersion
 Scripta Materialia, 82 (2014) pp.53-56.
http://dx.doi.org/10.1016/j.scriptamat.2014.03.021
[67] M. Yamasaki, M. Matsushita, K. Hagihara, H. Izuno, E. Abe, Y. Kawamura
Highly ordered 10H-type long-period stacking order phase in a Mg-Zn-Y ternary alloy
Scripta Materialia, 78-79 (2014) pp.13-16.
http://dx.doi.org/10.1016/j.scriptamat.2014.01.013
[66] K. Hagihara, Y. Hama, T. Fushiki, K. Yuge, T. Nakano
Microsructure and mechanical properties of the NbSi2/MoSi2 crystal with lamellar structure
Materials Science Forum, 783-786 (2014) pp.1123-1128.
http://dx.doi.org/10.4028/www.scientific.net/MSF.783-786.1123
[65] T. Yamazaki, Y. Koizumi, A. Chiba, K. Hagihara, T. Nakano, K. Yuge, K. Kishida, H. Inui
Interface migration with segregation in MoSi2-based lamellar alloy simulated by phase-field method
Advanced Materials Research, 922 (2014) pp.832-837.
http://dx.doi.org/10.4028/www.scientific.net/AMR.922.832
[64] H. Okuda, T. Horiuchi, T. Maruyama, M. Yamasaki, Y. Kawamura,K. Hagihara, S. Kohara
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
Metallurgical and Materials Transactions A, 45 (2014) pp.147-151.
http://dx.doi.org/10.1007/s11661-013-1766-z
[63] P. S. Ghosh, A. Arya, U. D. Kulkarni, G. K. Dey, S. Hata, T. Nakano, K. Hagihara, H. Nakashima
Ab-initio study of long-period superstructures and anti-phase boundaries in Al-rich γ-TiAl (L10)-based alloys
Philosophical Magazine, 94 (2014) pp.1202-1218.
http://dx.doi.org/10.1080/14786435.2014.885135
[62] M.Tane, Y. Nagai, H. Kimizuka, K. Hagihara, Y. Kawamura
Elastic properties of an Mg–Zn–Y alloy single crystal with a long-period stacking-ordered structure
Acta Materialia, 61 (2013) pp.6338-6351.
http://dx.doi.org/10.1016/j.actamat.2013.06.041
[61] K. Hagihara, Y. Hama, K. Yuge, T. Nakano
Misfit strain affecting the lamellar microstructure in NbSi2/MoSi2 duplex crystals
Acta Materialia, 61 (2013) pp.3432-3444.
http://dx.doi.org/10.1016/j.actamat.2013.02.035
[60] M. Yamasaki,K. Hagihara, S. Inoue, J.P. Hadorn, Y. Kawamura
Crystallographic classification of kink bands in an extruded Mg–Zn–Y alloy using intragranular misorientation axis analysis
Acta Materialia, 61 (2013) pp.2065-2076.
http://dx.doi.org/10.1016/j.actamat.2012.12.026
[59] K. Hagihara, T. Tanaka, H. Izuno, Y. Umakoshi, T. Nakano
Non-basal slips in Ni3(Ti, Nb) and Ni3(Ti, Al) single crystals with various long-period stacking ordered structures
Acta Materialia, 61 (2013) pp.4365-4373.
http://dx.doi.org/10.1016/j.actamat.2013.04.008
[58] K. Hagihara, Y. Fukusumi, M. Yamasaki, T. Nakano, Y. Kawamura
Non-basal slip systems operative in Mg12ZnY long-period stacking ordered (LPSO) phase with 18R and 14H structures
Materials Transactions, 54 (2013) pp.693-697.
http://doi.org/10.2320/matertrans.MI201208
[57] K. Hagihara, K. Fujii, A. Matsugaki, T. Nakano
Possibility of Mg- and Ca-based intermetallic compounds as new biodegradable implant materials
Materials science and engineering C, 33 (2013) pp.4101-4111.
http://dx.doi.org/10.1016/j.msec.2013.05.055
[56] K. Yuge, Y. Koizumi, K. Hagihara, T. Nakano, K. Kishida, H. Inui
Cr segregation at C11b/C40 interface in MoSi2-based alloys: A first-principles study
Intermetallics, 42 (2013) pp.165-169.
http://dx.doi.org/10.1016/j.intermet.2013.06.009
[55] P. S. Ghosh, A. Arya, U. D. Kulkarni, G. K. Dey, T. Nakano, Y. Umakoshi, K. Hagihara, S. Hata
First-principles investigation of phase stability and electronic structure of tetragonal (P4/m) Ga3-xAlxTi2 (x=0-3) compounds
Philosophical Magazine Letters, 93 (2013) pp. 273-282.
http://dx.doi.org/10.1080/09500839.2013.769068
[54] T. Nakano, K. Hagihara
Yield stress anomaly controlled by the phase stability in NbSi2 single crystals
Scripta materialia, 68 (2013) pp.313-316.
http://dx.doi.org/10.1016/j.scriptamat.2012.10.053
[53] T. Nakano, K Hagihara, S. Hata, H. Shigyo, H. Nakashima, Y. Umakoshi, A. Arya, U. D. Kulkarni
Long-period ordered superstructures that appear in an (Al,Ga)-rich (Al,Ga)Ti system
Philosophical Magazine, 93 (2013) pp.22-37.
http://dx.doi.org/10.1080/14786435.2012.699691
[52] K. Hagihara, A. Kinoshita, Y. Fukusumi, M. Yamasaki, Y. Kawamura
High-temperature compressive deformation behavior of Mg97Zn1Y2 extruded alloy containing a long-period stacking ordered (LPSO) phase
Materials science and engineering A, 560 (2013) pp.71-79.
http://dx.doi.org/10.1016/j.msea.2012.09.016
[51] S.-H. Lee, M. Todai, M. Tane, K Hagihara, H. Nakajima, T. Nakano
Biocompatible low Young's modulus achieved by Strong crystallographic elastic anisotropy in Ti-15Mo-5Zr-3Al alloy single crystal
Journal of the Mechanical Behavior of Biomedical Materials, 14 (2012) pp.48-54.
http://dx.doi.org/10.1016/j.jmbbm.2012.05.005
[50] K. Yuge, Y. Koizumi, K. Hagihara, T. Nakano, K. Kishida, H. Inui
First-principles study on phase stability of MoSi2-NbSi2 pseudobinary alloys
Physical Review B, 85 (2012) pp.134106-1-6.
http://dx.doi.org/10.1103/PhysRevB.85.134106
[49] S-H. Lee, K. Hagihara, T. Nakano
Microstructural and orientation dependence of the plastic deformation behavior in β-type Ti-15Mo-5Zr-3Al alloy single crystals
Metallurgical and Materials Transactions, 43 (2012) pp.1588-1597.
http://dx.doi.org/10.1007/s11661-011-0986-3
[48] K. Hagihara, A. Kinoshita, Y. Fukusumi, M. Yamasaki, Y. Kawamura
Microstructural factors affecting the deformation behavior of Mg12ZnY LPSO-phase alloys
Materials Science Forum, 706-709 (2012) pp.1158-1163.
http://dx.doi.org/10.4028/www.scientific.net/MSF.706-709.1158
[47] T. Nakano, K. Sasaki, K. Hagihara, T.Ishimoto, Y. Fujii, A. Serizawa
Single crystal growth and its microstructure in Co-Cr-Mo alloys for biomedical applications
Materials Science Forum, 706-709 (2012) pp.561-565.
http://dx.doi.org/10.4028/www.scientific.net/MSF.706-709.561
[46] K. Hagihara, T. Nakano
Fracture behavior and toughness of NbSi2-based single crystals and MoSi2(C11b )/NbSi2(C40) duplex crystals with a single set of lamellae
Acta Materialia, 59 (2011) pp.4168-4176.
http://dx.doi.org/10.1016/j.actamat.2011.03.040
[45] K. Hagihara, Y. Sugino, Y. Fukusumi, Y. Umakoshi, T. Nakano
Plastic deformation behavior of Mg12ZnY LPSO-phase with 14H-typed structure
Materials transactions, 52 (2011) pp.1096-1103.
http://doi.org/10.2320/matertrans.MC201007
[44] M. Yamasaki, K. Hashimoto,K. Hagihara, Y. Kawamura
Effect of multimodal microstructure evolution on mechanical properties of Mg–Zn–Y extruded alloy
Acta Materialia, 59 (2011) pp.3646–3658.
http://dx.doi.org/10.1016/j.actamat.2011.02.038
[43] O. Zhu, L. Zhang, J. Yu, A. Shan, J. Wu, K. Hagihara, T. Nakano
Effects of Cr-addition and lamellar microstructure on the oxidation behavior of single crystal (Mo0.85Nb0.15)Si2
Journal of Alloys and Compounds, 509 (2011) pp.1511–1516.
http://dx.doi.org/10.1016/j.jallcom.2010.10.138
[42] K. Hagihara, A. Kinoshita, Y. Sugino, M. Yamasaki, Y. Kawamura, H. Y. Yasuda, Y. Umakoshi
Effect of long-period stacking ordered phase on mechanical properties of Mg97Zn1Y2 extruded alloy
Acta Materialia, 58 (2010) pp.6282-6293.
http://dx.doi.org/10.1016/j.actamat.2010.07.050
[41] M. Tane, S. Akita, T. Nakano,K. Hagihara, Y. Umakoshi, H. Mori, H. Nakajima
Low Young's modulus of Ti-Nb-Ta-Zr alloys caused by softening in shear moduli c' and c44 near lower limit of body-centered cubic phase stability
Acta Materialia, 58 (2010) pp.6790-6798.
http://dx.doi.org/10.1016/j.actamat.2010.09.007
[40] K. Hagihara, N. Yokotani, Y. Umakoshi
Plastic deformation behavior of Mg12YZn with 18R long-period stacking ordered structure
Intermetallics, 18 (2010) pp. 267-276.
http://dx.doi.org/10.1016/j.intermet.2009.07.014
[39] K. Hagihara, A. Kinoshita, Y. Sugino, M. Yamasaki, Y. Kawamura, H. Y. Yasuda and Y. Umakoshi
Plastic deformation behavior of Mg89Zn4Y7 extruded alloy composed of long-period stacking ordered phase
Intermetallics,18 (2010) pp.1079-1085.
http://dx.doi.org/10.1016/j.intermet.2010.02.011
[38] K. Hagihara, H. Fujimoto, T. Nakano, Y. Umakoshi
Plastic deformation behavior of Ni3(Ti0.7Nb0.3) single crystals with D019 structure
Intermetallics,18 (2010) pp.434-440.
http://dx.doi.org/10.1016/j.intermet.2009.09.004
[37] M. Yamasaki, K. Hashimoto, K. Hagihara, Y. Kawamura
Multimodal microstructure evolution in wrought Mg-Zn-Y alloys with high strength and increased ductility
Materials Science Forum, 654-656 (2010) pp.615-618.
http://dx.doi.org/10.4028/www.scientific.net/MSF.654-656.615
[36] K. Hagihara,T. Nakano, S. Hata, O. Zhu, Y. Umakoshi
Improvement of aligned lamellar structure by Cr-addition to NbSi2/MoSi2 duplex-silicide crystals
Scripta Materialia, 62 (2010) pp.613-616.
http://dx.doi.org/10.1016/j.scriptamat.2010.01.002
[35] K. Hagihara, A. Kinoshita, Y. Sugino, M. Yamasaki, Y. Kawamura, H. Y. Yasuda, Y. Umakoshi
Plastic deformation behavior of Mg97Zn1Y2 extruded alloys
Transaction of Nonferrous Metal Society of China, 20 (2010) pp.1259-1268.
http://dx.doi.org/10.1016/S1003-6326(09)60288-0
[34] K. Hagihara, M. Mori, T. Kishimoto, Y. Umakoshi
Change in microstructure by heat-treatment and corresponding deformation behavior in Ni3V single crystals
Materials Science Forum, 638-642 (2010) pp.1318-1323.
http://dx.doi.org/10.4028/www.scientific.net/MSF.638-642.1318
[33] M. Hirano, M. Yamasaki, K. Hagihara, K Higashida, Y. Kawamura
Effect of extrusion parameters on mechanical properties of Mg97Zn1Y2 alloys at room and elevated temperatures
Materials Transactions, 51 (2010) pp.1640-1647.
http://doi.org/10.2320/matertrans.MAW201026
[32] K. Hagihara, A. Kinoshita, Y. Sugino, M. Yamasaki, Y. Kawamura, H. Y. Yasuda, Y. Umakoshi
Temperature dependence of compressive deformation behavior of Mg89Zn4Y7 extruded LPSO-phase alloys
Materials Science Forum, 638-642 (2010) pp.607-610.
http://doi.org/10.4028/www.scientific.net/MSF.654-656.607
[31] K. Hagihara, T. Tachibana, K. Sasaki, Y. Yoshida, N. Shirakawa, T. Nagasawa, T. Narushima, T. Nakano
Oxygen distribution in titanium single crystal fabricated by floating-zone method under extremely low oxygen partial pressure
Materials Transactions, 50 (2009) pp. 2709-2715.
http://doi.org/10.2320/jinstmet.72.928
[30] K. Hagihara, M. Mori, T. Kishimoto, Y. Umakoshi
Influence of heat-treatment on microstructure and plastic deformation behavior in Ni3V single crystals with the D022 structure
Journal of physics, 165 (2009) pp.012004 1-4.
http://doi.org/10.1088/1742-6596/165/1/012004
[29] S. Lee, K. Hagihara, M.-H. Oh, T. Nakano
Single-crystal growth and plastic deformation behaviour of a Ti-15Mo-5Zr-3Al alloy for biomedical application
Journal of physics, 165 (2009) pp.012086 1-4.
http://doi.org/10.1088/1742-6596/165/1/012086
[28] 萩原幸司,橘孝洋,佐々木啓太,吉田良由,白河直樹,長澤亨,成島尚之,中野貴由
極低酸素分圧雰囲気下でのTi単結晶の帯溶融育成
日本金属学会誌, 72 (2008) pp.928-934.
http://doi.org/10.2320/jinstmet.72.928
[27] M. Tane, S. Akita, H. Nakajima, T. Nakano, K. Hagihara, Y. Umakoshi, M. Niinomi
Peculiar elastic behavior of Ti-Nb-Ta-Zr single crystals
Acta Materialia, 56 (2008) pp.2856-2863.
http://dx.doi.org/10.1016/j.actamat.2008.02.017
[26] K. Hagihara, T. Tanaka, T. Nakano, P. Veyssiere, Y. Umakoshi
Effects of the anisotropy of the anti-phase boundary energy on the yield stress anomaly in Ni3X compounds with close-packed crystal structures
Philosophical Magazine Letters, 87 (2007) pp.705-712.
http://dx.doi.org/10.1080/09500830701324127
[25] K. Hagihara, M. Mori, Y. Umakoshi
Microstructure and plastic deformation behavior of Ni3V single crystals
Materials Science Forum, 561-565 (2007) pp.407-410.
http://dx.doi.org/10.4028/www.scientific.net/MSF.561-565.407
[24] T. Nakano, T. Tachibana, K. Hagihara, Y. Umakoshi, T. Ide, M. Tane, H. Nakajima
Microstructure and deformation behavior of lamellar Ti-rich TiAl crystal with lotus-type aligned pores
Materials Science Forum, 561-565 (2007) pp.383-386.
http://dx.doi.org/10.4028/www.scientific.net/MSF.561-565.383
[23] K. Hagihara, T. Tanaka, H. Fujimoto, T. Nakano, Y. Umakoshi
Microstructure and plastic deformation behavior of Ni3(Ti, X) (X=Nb, Al) single crystals with long-period geometrically closely-packed crystal structures
Intermetallics,14 (2006) pp.1332-1338.
http://dx.doi.org/10.1016/j.intermet.2005.10.020
[22] K. Hagihara, Y. Sugino, Y. Umakoshi
The effect of Ti-addition on plastic deformation and fracture behavior of directionally solidified NiAl/Cr(Mo) eutectic alloys
Intermetallics,14 (2006) pp.1326-1331.
http://dx.doi.org/10.1016/j.intermet.2005.11.029
[21] K. Hagihara, N. Yokotani, Y. Umakoshi
Temperature and orientation dependence of fracture behavior of directionally solidified duplex-phase crystals composed of Ni3X-type intermetallic compounds
Materials Science Forum , 512 (2006) pp.67-72.
http://dx.doi.org/10.4028/www.scientific.net/MSF.512.67
[20] T. Nakano, K. Hagihara, Y. Nakai, Y. Umakoshi
Plastic deformation behavior of NbSi2/MoSi2 crystals with oriented lamellae
Intermetallics,14 (2006) pp.1345-1350.
http://dx.doi.org/10.1016/j.intermet.2005.10.017
[19] Y. Wu, S.K. Hwang, K. Hagihara, Y. Umakoshi
Isothermal oxidation behavior of two-phase TiAl-Mn-Mo-C-Y alloys fabricated by different processes
Intermetallics, 14 (2006) pp. 9-23.
http://dx.doi.org/10.1016/j.intermet.2005.02.014
[18] Y. Wu, K. Hagihara, Y. Umakoshi
Improvement of cyclic oxidation resistance of Y-containing TiAl-based alloys with equiaxial gamma microstructures
Intermetallics,13 (2005) pp.519-532.
http://dx.doi.org/10.1016/j.intermet.2005.01.014
[17] K. Hagihara, T. Tanaka, T. Nakano, Y. Umakoshi
Plastic deformation behavior of Ni3(Ti0.90Nb0.10) single crystals with nine-layered ordered rhombohedral structure
Acta Materialia, 53 (2005) pp.5051-5059.
http://dx.doi.org/10.1016/j.actamat.2005.07.017
[16] Y. Umakoshi, K. Hagihara, T. Nakano
Deformation modes and anomalous strengthening of Ni3X-type intermetallic compounds with the geometrically close-packed structure
Materials Science Forum, 502 (2005) pp.145-150.
http://dx.doi.org/10.4028/www.scientific.net/MSF.502.145
[15]

K. Hagihara, S. Maeda, T. Nakano, Y. Umakoshi
Indentation fracture behavior of (Mo0.85Nb0.15)Si2 crystals with C40 single-phase and MoSi2(C11b)/NbSi2(C40) duplex-phase with oriented lamellae
Science and Technology of Advanced Materials, 5 (2004) pp.11-17, (2004).
http://dx.doi.org/10.1016/j.stam.2003.09.007

[14] Y. Wu, K. Hagihara, Y. Umakoshi
Influence of Y-addition on the oxidation behavior of Al-rich γ-TiAl alloys
Intermetallics, 12 (2004) pp.519-532.
http://dx.doi.org/10.1016/j.intermet.2004.01.008
[13] K. Hagihara, T. Nakano, Y. Umakoshi
Slip system, dislocation structure and plastic deformation behavior of Ni3Ti single crystals with D024 structure
Materials Science Forum ,426-432 (2003) pp.1709-1714.
http://dx.doi.org/10.4028/www.scientific.net/MSF.426-432.1709
[12] T. Nakano, Y. Omomoto, K. Hagihara, Y. Umakoshi
Plastic deformation behavior and operative slip systems of ZrSi2 single crystals with C49 type of structure
Scripta Materialia, 48 (2003) pp.1307-1312.
http://dx.doi.org/10.1016/S1359-6462(03)00022-8
[11] K. Hagihara, T. Nakano, Y. Umakoshi
Plastic deformation behaviour in Ni3Ti single crystals with D024 structure
Acta Materialia, 51 (2003) pp.2623-2637.
http://dx.doi.org/10.1016/S1359-6454(03)00060-0
[10] K. Hagihara, T. Nakano, Y. Umakoshi
Plastic deformation behavior of oriented Ni3Sn crystals with D019 structure
Scripta Materialia, 48 (2003) pp.577-581.
http://dx.doi.org/10.1016/S1359-6462(02)00472-4
[9] K. Hagihara, T. Nakano, Y. Umakoshi
Effect of Rh and V addition on plastic deformation behaviour in Ni3Nb single crystals with D0a structure
Materials Transactions, 43 (2002) pp.2267-2274.
http://doi.org/10.2320/matertrans.43.2267
[8] K. Hagihara, T. Nakano, Y. Umakoshi
Microstructure and compressive flow stress of directionally solidified ternary Ni3(Al, Nb) and quaternary Ni3(Al, Nb, Ti) alloys with duplex phase
Science and Technology of Advanced Materials, 3 (2002) pp.193-199.
http://dx.doi.org/10.1016/S1468-6996(02)00008-6
[7] K. Hagihara, T. Nakano, Y. Umakoshi
Plastic deformation behavior by slip on (001)[100] in Ni3Nb single crystals with D0a structure
Materials Transactions, 42 (2001) pp.1998-2002.
http://dx.doi.org/10.2320/matertrans.42.1998
[6] K. Hagihara, T. Nakano, Y. Umakoshi
Cyclic deformation behavior of Ni3Nb single crystals deforming by slip on (010)[100]
Intermetallics, 9 (2001) pp.239-244.
http://dx.doi.org/10.1016/S0966-9795(00)00124-2
[5] Y. Umakoshi, K. Hagihara, T. Nakano
Operative slip systems and anomalous strengthening in Ni3Nb single crystals with the D0a structure
Intermetallics, 9 (2001) pp. 955-961.
http://dx.doi.org/10.1016/S0966-9795(01)00096-6
[4] K. Hagihara, T. Nakano, Y. Umakoshi
Plastic deformation behaviour and operative slip systems in Ni3Nb single crystals
Acta Materialia, 48 (2000) pp.1469-1480.
http://dx.doi.org/10.1016/S1359-6454(99)00447-4
[3] Y. Umakoshi, T. Nakano, K. Kishimoto, D. Furuta, K. Hagihara, M. Azuma
Strength and deformation mechanism of C40-based single crystal and polycrystalline silicides
Materials Science and Engineering A, A261 (1999) pp.113-121.
http://dx.doi.org/10.1016/S0921-5093(98)01056-9
[2] K. Hagihara, T. Nakano, Y. Umakoshi
Mechanical properties of C40-based ternary Mo(Si,Al)2 and quaternary (Mo,Zr)(Si,Al)2 silicides
Scripta Materialia, 38 (1998) pp. 471-476.
http://dx.doi.org/10.1016/S1359-6462(97)00432-6
[1] T. Nakano, K. Hagihara, T. Seno, N. Sumida, M. Yamamoto, Y. Umakoshi
Stress anomaly in Al-rich TiAl single crystals deformed by the motion of 1/2<110] ordinary dislocations
Philosophical Magazine Letters, 78 (1998) pp.385-391.
http://dx.doi.org/10.1080/095008398177788

International conference proceedings

[16] Y. Koizumi, T. Yamazaki, A. Chiba,  K. Hagihara, T. Nakano, K. Yuge, K. Kishida, H. Inui
Phase-field simulation of lamellar structure formation in MoSi2/NbSi2 duplex silicide
Proceedings of Mater. Res. Soc. Symp., 1516 (2013) pp.309-315.
http://dx.doi.org/10.1557/opl.2013.360
[15] T. Yamazaki, Y. Koizumi, A. Chiba, K. Hagihara, T. Nakano, K. Yuge, K. Kishida, H. Inui
Phase-field study on the segregation mechanism of additive elements in NbSi2/MoSi2 duplex silicide
Proceedings of Mater. Res. Soc. Symp., 1516 (2013) pp. 145-150.
http://dx.doi.org/10.1557/opl.2013.391
[14] A. Inoue, K. Kishida, H. Inui, K. Hagihara
Compression of micro-pillars of a long period stacking ordered phase in the Mg-Zn-Y system
Proceedings of Mater. Res. Soc. Symp., 1516 (2013) pp.151-156. 
http://dx.doi.org/10.1557/opl.2012.1749
[13] K. Hagihara, Y. Fukusumi, M. Yamasaki, R. Matsumoto, M. Honnami, H. Izuno, T. Nakano, Y. Kawamura
Deformation behavior of LPSO phase and Zn accompanied by kink band formation
Proc. of PRICM8, (2013) pp. 973-978.
http://dx.doi.org/10.1002/9781118792148.ch119
[12] K. Hagihara, T. Nakano, M. Niinomi
Controlling factors on the fatigue behaviour of Ti-Nb-Ta-Zr alloys single crystals
Proc. of PFAM 18 (Processing and Fabrication of Advanced Materials), (2009) pp.1023-1030.
[11] K. Hagihara, N. Yokotani, A. Kinoshita, Y. Sugino, M. Yamasaki, Y. Kawamura, Y. Umakoshi
Relation between the microstructure and the plastic deformation behavior in Mg12YZn with the LPSO structure
Magnesium Technology, (2009) pp. 477-482.
[10] K. Hagihara, N. Yokotani, A. Kinoshita, Y. Sugino, H. Yamamoto, M. Yamasaki, Y. Kawamura, Y. Umakoshi 
Role of the microstructure on the deformation behavior in Mg12ZnY with a long-period stacking ordered structure
Proceedings of Mater. Res. Soc. Symp., 1128 (2009) pp.U05-53 1-6.
http://dx.doi.org/10.1557/PROC-1128-U05-53
[9] K. Hagihara, T. Nakano, A. Sonoura, K. Watanabe, Y. Umakoshi, M. Niinomi
Effect of bcc-phase stability on cyclic deformation behavior in beta-type Ti-Nb-Ta-Zr alloys single crystals with different Nb content
Proceedings of Ti-2007, (2007) pp.1445-1447.
[8] T. Nakano, K. Hagihara, H. Maki, Y. Umakoshi, M. Niinomi  
Crystal growth and plastic deformation behavior of Ti-29Nb-13Ta-4.6Zr bcc-based single crystal
Proceedings of Ti-2007, (2007) pp.1437-1439.
[7] K. Hagihara, M. Mori, Y. Umakoshi
Plastic deformation behavior of Ni3V crystals with D022 structure
Proceedings of Mater. Res. Soc. Symp., 980 (2007) pp.523-527.
http://dx.doi.org/10.1557/PROC-980-0980-II05-20
[6] T. Nakano, T. Tachibana, K. Hagihara, Y. Umakoshi, T. Ide, M. Tane, H. Nakajima
Fabrication and plastic deformation behavior of lamellar Ti-rich TiAl crystals with lotus-type aligned pores
Proceedings of MetFoam, (2007) pp. 213-216.
[5] T. Nakano, K. Hagihara, Y. Umakoshi 
Effect of C11b-Stabilized element on deformation mode in (Nb1-xMox)Si2 (X=0-0.85) single crystals
Proceedings of Mater. Res. Soc. Symp., 980 (2007) pp.297-302.
http://dx.doi.org/10.1557/PROC-980-0980-II06-02
[4] K. Hagihara, T. Tanaka, T. Nakano, Y. Umakoshi 
Crystal structure, phase stability and plastic deformation behavior of Ti-rich Ni3(Ti, Nb) single crystals with various long-period ordered structures 
Proceedings of Mater. Res. Soc. Symp., 842 (2005) pp.S.5.26.1-6.
http://dx.doi.org/10.1557/PROC-842-S5.26 
[3] K. Hagihara, T. Nakano, Y. Umakoshi 
Plastic deformation behavior of Ni3X(X=Nb, Ti, Sn) type HCP-based intermetallics with the geometrically close-packed structure
Proceedings of Mater. Res. Soc. Symp., 753 (2003) pp.357-362.
http://dx.doi.org/10.1557/PROC-753-BB5.30
[2] K. Hagihara, T. Nakano, Y. Umakoshi
Deformation twins in Ni3Nb single crystals with D0a structure
Proceedings of Mater. Res. Soc. Symp., 646 (2001) pp. N5.23.1- N5.23.6.
http://dx.doi.org/10.1557/PROC-646-N5.23.1 
[1] K. Hagihara, T. Nakano, Y. Umakoshi
Plastic deformation of Ni3Nb single crystals
Proceedings of Mater. Res. Soc. Symp., 552 (1999) pp.KK10.7.1-KK10.7.6.
http://dx.doi.org/10.1557/PROC-552-KK10.7.1